A Cross-Sectional Survey of Foaling-Related Parameters of Jennies (
It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of random...
Ausführliche Beschreibung
Autor*in: |
Deng, Liang [verfasserIn] Shi, Shicheng [verfasserIn] Li, Jing [verfasserIn] Tang, Chi [verfasserIn] Liao, Qingchao [verfasserIn] Xie, Peng [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2020 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of equine veterinary science - New York, NY : Elsevier Science, 1981, 87 |
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Übergeordnetes Werk: |
volume:87 |
DOI / URN: |
10.1016/j.jevs.2020.102928 |
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Katalog-ID: |
ELV003794962 |
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520 | |a It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. | ||
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2020 |
allfields |
10.1016/j.jevs.2020.102928 doi (DE-627)ELV003794962 (ELSEVIER)S0737-0806(20)30019-8 DE-627 ger DE-627 rda eng 630 DE-600 Deng, Liang verfasserin aut A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. Donkey Age at first foaling Foaling rate Foaling interval Smallholder Shi, Shicheng verfasserin aut Li, Jing verfasserin aut Tang, Chi verfasserin aut Liao, Qingchao verfasserin aut Xie, Peng verfasserin aut Enthalten in Journal of equine veterinary science New York, NY : Elsevier Science, 1981 87 Online-Ressource (DE-627)363733299 (DE-600)2102631-2 (DE-576)264629566 1542-7412 nnns volume:87 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 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 87 |
spelling |
10.1016/j.jevs.2020.102928 doi (DE-627)ELV003794962 (ELSEVIER)S0737-0806(20)30019-8 DE-627 ger DE-627 rda eng 630 DE-600 Deng, Liang verfasserin aut A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. Donkey Age at first foaling Foaling rate Foaling interval Smallholder Shi, Shicheng verfasserin aut Li, Jing verfasserin aut Tang, Chi verfasserin aut Liao, Qingchao verfasserin aut Xie, Peng verfasserin aut Enthalten in Journal of equine veterinary science New York, NY : Elsevier Science, 1981 87 Online-Ressource (DE-627)363733299 (DE-600)2102631-2 (DE-576)264629566 1542-7412 nnns volume:87 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 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 87 |
allfields_unstemmed |
10.1016/j.jevs.2020.102928 doi (DE-627)ELV003794962 (ELSEVIER)S0737-0806(20)30019-8 DE-627 ger DE-627 rda eng 630 DE-600 Deng, Liang verfasserin aut A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. Donkey Age at first foaling Foaling rate Foaling interval Smallholder Shi, Shicheng verfasserin aut Li, Jing verfasserin aut Tang, Chi verfasserin aut Liao, Qingchao verfasserin aut Xie, Peng verfasserin aut Enthalten in Journal of equine veterinary science New York, NY : Elsevier Science, 1981 87 Online-Ressource (DE-627)363733299 (DE-600)2102631-2 (DE-576)264629566 1542-7412 nnns volume:87 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 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 87 |
allfieldsGer |
10.1016/j.jevs.2020.102928 doi (DE-627)ELV003794962 (ELSEVIER)S0737-0806(20)30019-8 DE-627 ger DE-627 rda eng 630 DE-600 Deng, Liang verfasserin aut A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. Donkey Age at first foaling Foaling rate Foaling interval Smallholder Shi, Shicheng verfasserin aut Li, Jing verfasserin aut Tang, Chi verfasserin aut Liao, Qingchao verfasserin aut Xie, Peng verfasserin aut Enthalten in Journal of equine veterinary science New York, NY : Elsevier Science, 1981 87 Online-Ressource (DE-627)363733299 (DE-600)2102631-2 (DE-576)264629566 1542-7412 nnns volume:87 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 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 87 |
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10.1016/j.jevs.2020.102928 doi (DE-627)ELV003794962 (ELSEVIER)S0737-0806(20)30019-8 DE-627 ger DE-627 rda eng 630 DE-600 Deng, Liang verfasserin aut A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. Donkey Age at first foaling Foaling rate Foaling interval Smallholder Shi, Shicheng verfasserin aut Li, Jing verfasserin aut Tang, Chi verfasserin aut Liao, Qingchao verfasserin aut Xie, Peng verfasserin aut Enthalten in Journal of equine veterinary science New York, NY : Elsevier Science, 1981 87 Online-Ressource (DE-627)363733299 (DE-600)2102631-2 (DE-576)264629566 1542-7412 nnns volume:87 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 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 87 |
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title_sort |
a cross-sectional survey of foaling-related parameters of jennies ( |
title_auth |
A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( |
abstract |
It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. |
abstractGer |
It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. |
abstract_unstemmed |
It is important to assess the reproductive efficiency and improve the reproductive management to promote the donkey population development. The overall foaling-related parameters of jennies under smallholder farm conditions in China were hardly under investigation. A cross-sectional survey of randomly selected 694 smallholder farms was conducted in 40 villages in the north, east, and south areas of Western Liaoning Province and Eastern Inner Mongolia Autonomous Region between March and July, 2017. Foaling-related parameters were assessed such as the mean age at first foaling, foaling rate and foaling interval during 2014–2017. Only two-thirds of the adult jennies foaled during the 3-year survey period and delivered a foal every 1.9 years. The mean age at first foaling was 45.3 months. The lowest incidence of foaling rate was in coincidence with the peak of foaling. The overall mean values for the foaling rate and foaling interval were 75% and 500.5 days, respectively. Significant changes of foaling rates before the age of 15 years and foaling intervals in the first 8 parities were not observed. The results indicate that the jennies could maintain relatively fine foaling-related parameters under smallholder farm conditions in northeast of China. However, the foaling rates hardly remained high during the whole breeding season represented a major loss to the donkey breeding. |
collection_details |
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title_short |
A Cross-Sectional Survey of Foaling-Related Parameters of Jennies ( |
remote_bool |
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author2 |
Shi, Shicheng Li, Jing Tang, Chi Liao, Qingchao Xie, Peng |
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doi_str |
10.1016/j.jevs.2020.102928 |
up_date |
2024-07-06T20:49:43.305Z |
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