Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens
In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant speci...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Breitsameter, Laura [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Schlagwörter: |
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| Umfang: |
10 |
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| Übergeordnetes Werk: |
Enthalten in: The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) - Ignatov, Michael S. ELSEVIER, 2016transfer abstract, an international scientific journal reporting on the application of ethology to animals used by man, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:150 ; year:2014 ; pages:27-36 ; extent:10 |
| Links: |
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| DOI / URN: |
10.1016/j.applanim.2013.10.009 |
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ELV039232034 |
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| 245 | 1 | 0 | |a Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens |
| 264 | 1 | |c 2014transfer abstract | |
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| 520 | |a In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. | ||
| 520 | |a In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. | ||
| 650 | 7 | |a Enrichment |2 Elsevier | |
| 650 | 7 | |a Chicken |2 Elsevier | |
| 650 | 7 | |a Animal welfare |2 Elsevier | |
| 650 | 7 | |a Foraging behaviour |2 Elsevier | |
| 650 | 7 | |a Layer |2 Elsevier | |
| 650 | 7 | |a Poa supina |2 Elsevier | |
| 700 | 1 | |a Gauly, Matthias |4 oth | |
| 700 | 1 | |a Isselstein, Johannes |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Ignatov, Michael S. ELSEVIER |t The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) |d 2016transfer abstract |d an international scientific journal reporting on the application of ethology to animals used by man |g Amsterdam [u.a.] |w (DE-627)ELV019209428 |
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10.1016/j.applanim.2013.10.009 doi GBVA2014005000015.pica (DE-627)ELV039232034 (ELSEVIER)S0168-1591(13)00243-8 DE-627 ger DE-627 rakwb eng 590 590 DE-600 550 VZ 610 VZ 44.65 bkl Breitsameter, Laura verfasserin aut Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens 2014transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. Enrichment Elsevier Chicken Elsevier Animal welfare Elsevier Foraging behaviour Elsevier Layer Elsevier Poa supina Elsevier Gauly, Matthias oth Isselstein, Johannes oth Enthalten in Elsevier Science Ignatov, Michael S. ELSEVIER The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) 2016transfer abstract an international scientific journal reporting on the application of ethology to animals used by man Amsterdam [u.a.] (DE-627)ELV019209428 volume:150 year:2014 pages:27-36 extent:10 https://doi.org/10.1016/j.applanim.2013.10.009 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.65 Chirurgie VZ AR 150 2014 27-36 10 045F 590 |
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10.1016/j.applanim.2013.10.009 doi GBVA2014005000015.pica (DE-627)ELV039232034 (ELSEVIER)S0168-1591(13)00243-8 DE-627 ger DE-627 rakwb eng 590 590 DE-600 550 VZ 610 VZ 44.65 bkl Breitsameter, Laura verfasserin aut Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens 2014transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. Enrichment Elsevier Chicken Elsevier Animal welfare Elsevier Foraging behaviour Elsevier Layer Elsevier Poa supina Elsevier Gauly, Matthias oth Isselstein, Johannes oth Enthalten in Elsevier Science Ignatov, Michael S. ELSEVIER The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) 2016transfer abstract an international scientific journal reporting on the application of ethology to animals used by man Amsterdam [u.a.] (DE-627)ELV019209428 volume:150 year:2014 pages:27-36 extent:10 https://doi.org/10.1016/j.applanim.2013.10.009 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.65 Chirurgie VZ AR 150 2014 27-36 10 045F 590 |
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10.1016/j.applanim.2013.10.009 doi GBVA2014005000015.pica (DE-627)ELV039232034 (ELSEVIER)S0168-1591(13)00243-8 DE-627 ger DE-627 rakwb eng 590 590 DE-600 550 VZ 610 VZ 44.65 bkl Breitsameter, Laura verfasserin aut Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens 2014transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. Enrichment Elsevier Chicken Elsevier Animal welfare Elsevier Foraging behaviour Elsevier Layer Elsevier Poa supina Elsevier Gauly, Matthias oth Isselstein, Johannes oth Enthalten in Elsevier Science Ignatov, Michael S. ELSEVIER The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) 2016transfer abstract an international scientific journal reporting on the application of ethology to animals used by man Amsterdam [u.a.] (DE-627)ELV019209428 volume:150 year:2014 pages:27-36 extent:10 https://doi.org/10.1016/j.applanim.2013.10.009 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.65 Chirurgie VZ AR 150 2014 27-36 10 045F 590 |
| allfieldsGer |
10.1016/j.applanim.2013.10.009 doi GBVA2014005000015.pica (DE-627)ELV039232034 (ELSEVIER)S0168-1591(13)00243-8 DE-627 ger DE-627 rakwb eng 590 590 DE-600 550 VZ 610 VZ 44.65 bkl Breitsameter, Laura verfasserin aut Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens 2014transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. Enrichment Elsevier Chicken Elsevier Animal welfare Elsevier Foraging behaviour Elsevier Layer Elsevier Poa supina Elsevier Gauly, Matthias oth Isselstein, Johannes oth Enthalten in Elsevier Science Ignatov, Michael S. ELSEVIER The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) 2016transfer abstract an international scientific journal reporting on the application of ethology to animals used by man Amsterdam [u.a.] (DE-627)ELV019209428 volume:150 year:2014 pages:27-36 extent:10 https://doi.org/10.1016/j.applanim.2013.10.009 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.65 Chirurgie VZ AR 150 2014 27-36 10 045F 590 |
| allfieldsSound |
10.1016/j.applanim.2013.10.009 doi GBVA2014005000015.pica (DE-627)ELV039232034 (ELSEVIER)S0168-1591(13)00243-8 DE-627 ger DE-627 rakwb eng 590 590 DE-600 550 VZ 610 VZ 44.65 bkl Breitsameter, Laura verfasserin aut Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens 2014transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. Enrichment Elsevier Chicken Elsevier Animal welfare Elsevier Foraging behaviour Elsevier Layer Elsevier Poa supina Elsevier Gauly, Matthias oth Isselstein, Johannes oth Enthalten in Elsevier Science Ignatov, Michael S. ELSEVIER The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) 2016transfer abstract an international scientific journal reporting on the application of ethology to animals used by man Amsterdam [u.a.] (DE-627)ELV019209428 volume:150 year:2014 pages:27-36 extent:10 https://doi.org/10.1016/j.applanim.2013.10.009 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.65 Chirurgie VZ AR 150 2014 27-36 10 045F 590 |
| language |
English |
| source |
Enthalten in The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) Amsterdam [u.a.] volume:150 year:2014 pages:27-36 extent:10 |
| sourceStr |
Enthalten in The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) Amsterdam [u.a.] volume:150 year:2014 pages:27-36 extent:10 |
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The first record of a bryophyte in Upper Cretaceous amber from Taimyr, northern Siberia: Taimyrobryum martynoviorum gen. et sp. nov. (Bryopsida) |
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In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. |
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In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. |
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In a two-year experiment, we investigated the influence of sward plant species composition (sward type), stocking duration and state of sward degradation on the foraging behaviour of chickens. Laying hens (ISA Warren) were pastured on 15 sward types including 14 monocultures of grassland plant species (nine grasses and five forb species) and one mixed sward of the 14 species for three levels of stocking duration (one, two and three days). The behavioural traits pecking plants, ground pecking and scratching were recorded by scan sampling. Sward type had a significant effect on scratching, plant pecking, and total sward-directed pecking (plant and ground pecking together) in the grass swards (p <0.01), and on ground pecking in the forb swards (p <0.05). With prolonged stocking, the frequency of ground pecking significantly increased, whereas that of scratching, plant pecking and total sward-directed pecking significantly decreased. There was a significant stocking duration×sward type interaction for all of the observed behaviours (p <0.01). The tested sward types differed strongly with respect to the extent of degradation resulting from the fixed levels of stocking duration. Sward degradation as measured by percentage ground cover of green leaves or stolons and stems had a significant effect on ground, plant and total sward-directed pecking in forb swards (p <0.001). Considering the observation of other studies that the presence of vegetation and a good use of the run benefit animal welfare by reducing the incidence of feather and injurious pecking, the results of this study may be relevant for the design and management of swards for laying hens outdoor runs and for a welfare-oriented optimization of husbandry systems. |
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7.3996 |