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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
29/06/2023 |
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Autoria: |
DUDZINSKI, M. L.; ARNOLD, G. N. |
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Título: |
Factors influencing the grazing behaviour of sheep in a Mediterranean climate. |
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Ano de publicação: |
1979 |
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Fonte/Imprenta: |
Applied Animal Ethology, v. 5, n. 2, p. 125-144, Apr. 1979. |
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DOI: |
https://doi.org/10.1016/0304-3762(79)90084-1 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The diurnal pattern of grazing of sheep was studied in summer in 2 Mediterranean environments in 3 experiments. In the first experiment with Border Leicester × Merino sheep, it was found that in a given day the times of beginning and ending the major morning and afternoon grazing periods and the time spent grazing, were influenced by time of dawn or dusk, temperature, humidity and the time spent grazing the previous night. The temperature was found to influence the timing of events throughout the day but humidity mainly had an effect in the midday and afternoon. Six breeds of sheep were compared in a second experiment (Romney, Dorset Horn, Cheviot, Suffolk, Southdown and Border Leicester). There were significant differences between the breeds in the diurnal pattern of grazing, in grazing times and in responses to environmental conditions. The Cheviots and Suffolks differed from the other breeds because they began earlier in both the morning and afternoon. The Suffolks grazed for longer in all the grazing periods and differed significantly in grazing time from sheep of all other breeds. In a third experiment, sheep reared in a dry tropical environment (Abydos) behaved differently over 3 summers to sheep raised in a Mediterranean environment with dry summers (Baker's Hill). The main differences were in response to temperature and humidities in the morning and to length of day in the afternoon. The differences diminished with time. Generally, afternoon (pm) activity was more influenced by immediate grazing activity (night grazing time and morning (am) grazing time) than was the morning behaviour, but there were exceptions. MenosAbstract: The diurnal pattern of grazing of sheep was studied in summer in 2 Mediterranean environments in 3 experiments. In the first experiment with Border Leicester × Merino sheep, it was found that in a given day the times of beginning and ending the major morning and afternoon grazing periods and the time spent grazing, were influenced by time of dawn or dusk, temperature, humidity and the time spent grazing the previous night. The temperature was found to influence the timing of events throughout the day but humidity mainly had an effect in the midday and afternoon. Six breeds of sheep were compared in a second experiment (Romney, Dorset Horn, Cheviot, Suffolk, Southdown and Border Leicester). There were significant differences between the breeds in the diurnal pattern of grazing, in grazing times and in responses to environmental conditions. The Cheviots and Suffolks differed from the other breeds because they began earlier in both the morning and afternoon. The Suffolks grazed for longer in all the grazing periods and differed significantly in grazing time from sheep of all other breeds. In a third experiment, sheep reared in a dry tropical environment (Abydos) behaved differently over 3 summers to sheep raised in a Mediterranean environment with dry summers (Baker's Hill). The main differences were in response to temperature and humidities in the morning and to length of day in the afternoon. The differences diminished with time. Generally, afternoon (pm) activity w... Mostrar Tudo |
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Thesagro: |
Habito Alimentar; Meio Ambiente; Nutrição; Ovino; Pastagem. |
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Thesaurus Nal: |
Climate change; Feeding behavior; Grazing; Ruminant nutrition; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02423naa a2200265 a 4500
001 1521522
005 2023-06-29
008 1979 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/0304-3762(79)90084-1$2DOI
100 1 $aDUDZINSKI, M. L.
245 $aFactors influencing the grazing behaviour of sheep in a Mediterranean climate.$h[electronic resource]
260 $c1979
520 $aAbstract: The diurnal pattern of grazing of sheep was studied in summer in 2 Mediterranean environments in 3 experiments. In the first experiment with Border Leicester × Merino sheep, it was found that in a given day the times of beginning and ending the major morning and afternoon grazing periods and the time spent grazing, were influenced by time of dawn or dusk, temperature, humidity and the time spent grazing the previous night. The temperature was found to influence the timing of events throughout the day but humidity mainly had an effect in the midday and afternoon. Six breeds of sheep were compared in a second experiment (Romney, Dorset Horn, Cheviot, Suffolk, Southdown and Border Leicester). There were significant differences between the breeds in the diurnal pattern of grazing, in grazing times and in responses to environmental conditions. The Cheviots and Suffolks differed from the other breeds because they began earlier in both the morning and afternoon. The Suffolks grazed for longer in all the grazing periods and differed significantly in grazing time from sheep of all other breeds. In a third experiment, sheep reared in a dry tropical environment (Abydos) behaved differently over 3 summers to sheep raised in a Mediterranean environment with dry summers (Baker's Hill). The main differences were in response to temperature and humidities in the morning and to length of day in the afternoon. The differences diminished with time. Generally, afternoon (pm) activity was more influenced by immediate grazing activity (night grazing time and morning (am) grazing time) than was the morning behaviour, but there were exceptions.
650 $aClimate change
650 $aFeeding behavior
650 $aGrazing
650 $aRuminant nutrition
650 $aSheep
650 $aHabito Alimentar
650 $aMeio Ambiente
650 $aNutrição
650 $aOvino
650 $aPastagem
700 1 $aARNOLD, G. N.
773 $tApplied Animal Ethology$gv. 5, n. 2, p. 125-144, Apr. 1979.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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