A 3-week post-weaning restricted feeding as alternative to an
In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genot...
Ausführliche Beschreibung
Autor*in: |
Alabiso, M. [verfasserIn] Maniaci, G. [verfasserIn] Bonanno, A. [verfasserIn] Di Grigoli, A. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Livestock science - Amsterdam : Elsevier Science, 2006, 261 |
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Übergeordnetes Werk: |
volume:261 |
DOI / URN: |
10.1016/j.livsci.2022.104958 |
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Katalog-ID: |
ELV007957939 |
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520 | |a In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. | ||
650 | 4 | |a Feed restriction | |
650 | 4 | |a Antibiotics | |
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650 | 4 | |a Feed conversion ratio | |
650 | 4 | |a Rabbit mortality rate | |
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700 | 1 | |a Bonanno, A. |e verfasserin |4 aut | |
700 | 1 | |a Di Grigoli, A. |e verfasserin |4 aut | |
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10.1016/j.livsci.2022.104958 doi (DE-627)ELV007957939 (ELSEVIER)S1871-1413(22)00137-8 DE-627 ger DE-627 rda eng 630 640 DE-600 Alabiso, M. verfasserin aut A 3-week post-weaning restricted feeding as alternative to an 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. Feed restriction Antibiotics Crossbred rabbits Feed conversion ratio Rabbit mortality rate Maniaci, G. verfasserin aut Bonanno, A. verfasserin aut Di Grigoli, A. verfasserin aut Enthalten in Livestock science Amsterdam : Elsevier Science, 2006 261 Online-Ressource (DE-627)508973406 (DE-600)2226834-0 (DE-576)252454332 1871-1413 nnns volume:261 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 261 |
spelling |
10.1016/j.livsci.2022.104958 doi (DE-627)ELV007957939 (ELSEVIER)S1871-1413(22)00137-8 DE-627 ger DE-627 rda eng 630 640 DE-600 Alabiso, M. verfasserin aut A 3-week post-weaning restricted feeding as alternative to an 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. Feed restriction Antibiotics Crossbred rabbits Feed conversion ratio Rabbit mortality rate Maniaci, G. verfasserin aut Bonanno, A. verfasserin aut Di Grigoli, A. verfasserin aut Enthalten in Livestock science Amsterdam : Elsevier Science, 2006 261 Online-Ressource (DE-627)508973406 (DE-600)2226834-0 (DE-576)252454332 1871-1413 nnns volume:261 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 261 |
allfields_unstemmed |
10.1016/j.livsci.2022.104958 doi (DE-627)ELV007957939 (ELSEVIER)S1871-1413(22)00137-8 DE-627 ger DE-627 rda eng 630 640 DE-600 Alabiso, M. verfasserin aut A 3-week post-weaning restricted feeding as alternative to an 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. Feed restriction Antibiotics Crossbred rabbits Feed conversion ratio Rabbit mortality rate Maniaci, G. verfasserin aut Bonanno, A. verfasserin aut Di Grigoli, A. verfasserin aut Enthalten in Livestock science Amsterdam : Elsevier Science, 2006 261 Online-Ressource (DE-627)508973406 (DE-600)2226834-0 (DE-576)252454332 1871-1413 nnns volume:261 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 261 |
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10.1016/j.livsci.2022.104958 doi (DE-627)ELV007957939 (ELSEVIER)S1871-1413(22)00137-8 DE-627 ger DE-627 rda eng 630 640 DE-600 Alabiso, M. verfasserin aut A 3-week post-weaning restricted feeding as alternative to an 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. Feed restriction Antibiotics Crossbred rabbits Feed conversion ratio Rabbit mortality rate Maniaci, G. verfasserin aut Bonanno, A. verfasserin aut Di Grigoli, A. verfasserin aut Enthalten in Livestock science Amsterdam : Elsevier Science, 2006 261 Online-Ressource (DE-627)508973406 (DE-600)2226834-0 (DE-576)252454332 1871-1413 nnns volume:261 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 261 |
allfieldsSound |
10.1016/j.livsci.2022.104958 doi (DE-627)ELV007957939 (ELSEVIER)S1871-1413(22)00137-8 DE-627 ger DE-627 rda eng 630 640 DE-600 Alabiso, M. verfasserin aut A 3-week post-weaning restricted feeding as alternative to an 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. Feed restriction Antibiotics Crossbred rabbits Feed conversion ratio Rabbit mortality rate Maniaci, G. verfasserin aut Bonanno, A. verfasserin aut Di Grigoli, A. verfasserin aut Enthalten in Livestock science Amsterdam : Elsevier Science, 2006 261 Online-Ressource (DE-627)508973406 (DE-600)2226834-0 (DE-576)252454332 1871-1413 nnns volume:261 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 261 |
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Enthalten in Livestock science 261 volume:261 |
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Alabiso, M. @@aut@@ Maniaci, G. @@aut@@ Bonanno, A. @@aut@@ Di Grigoli, A. @@aut@@ |
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2022-01-01T00:00:00Z |
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Alabiso, M. |
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A 3-week post-weaning restricted feeding as alternative to an |
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A 3-week post-weaning restricted feeding as alternative to an |
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a 3-week post-weaning restricted feeding as alternative to an |
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A 3-week post-weaning restricted feeding as alternative to an |
abstract |
In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. |
abstractGer |
In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. |
abstract_unstemmed |
In this investigation, the impact of a 3-week post-weaning restricted feeding (RF) using an antibiotic-free feed, applied to rabbits from 36 to 56 days of age to preserve their health status as alternative to an ad libitum medicated feed with antibiotics (AMF), was verify in relation to rabbit genotype and slaughter age (SA). The RF and AMF treatments were compared evaluating their effects on feed intake, growth, mortality, carcass and meat quality of rabbits of two genotypes, Italian White purebred (IWP) and hybrid Hycole×IWP crossbred (HIWC), slaughtered at 78 or 92 days of age to obtain light or heavy carcasses. At 36 days of age, 256 weaned rabbits of both sexes were divided into 4 homogeneous groups based on feeding treatment (FT) and genotype: RF-IWP, RF-HIWC, AMF-IWP and AMF-HIWC. The RF treatment was performed offering to each rabbit 70, 80 and 90 g/day of feed in the 1st, 2nd and 3rd week. After the 3-week RF and AMF treatments, all rabbits received the same ad libitum antibiotic-free feeds until their slaughter. For each group, 24 rabbits were slaughtered, 12 at 78 days and 12 at 92 days. On the whole feed intake with RF was equal to 63% of that with AMF. Regardless of genotype, RF was associated with a lower feed intake until 78 days and a compensatory growth from 58 to 78 day, whereas from 79 to 92 days intake was not affected by FT and genotype. Despite the compensatory growth, the lower intake of restricted rabbits resulted in lower live weight at 78 and 92 days, but in more favourable feed conversion than with AMF. The growth potential allowed the crossbred rabbits to reach higher body and carcass weights with more efficient feed utilization. Mortality for enteropathies occurred mainly during the post-weaning phase from 36 to 56 days of age, with no difference due to FT, whereas HIWC rabbits showed a lower resistance to enteropathies. Heavier and fatter carcasses were obtained from AMF rabbits, at both SA, whereas the heavier HIWC carcasses showed a lower fat content than IWP ones. Carcass yield was influenced by FT and SA, being lower in RF rabbits and at earlier age. The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. In addition, RF appeared more suitable for rabbits of high-growth genotype slaughtered at 92 days which were more effective to recover the growth slowing due to the post-weaning feed restriction. |
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The restriction affected some colour indexes of meat and induced lower adiposity. Collagen was higher in meat of 92-day rabbits and in males, with no relationship to shear force. No particular effect of genotype emerged for meat quality. On the whole a 3-week post-weaning RF with antibiotic-free feed is confirmed to be a suitable method to replace an ad libitum feed containing antibiotics. 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