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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: |
31/07/2023 |
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Autoria: |
ARNOLD, G. W. |
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Título: |
Some factors affecting the grazing behaviour of sheep in winter in New South Wales. |
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Ano de publicação: |
1982 |
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Fonte/Imprenta: |
Applied Animal Ethology, v. 8, n. 1/2, p. 119-125, Jan. 1982. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The effects of weather conditions in winter on the grazing behaviour of sheep was studied on the Southern Tablelands of New South Wales. Minimum screen temperatures were in the range ?7 to 9°C, maximum temperatures 5 to 18°C and wind speeds between 26 and 126 km per day. Most observations were restricted to days with little or no rain. Data were obtained from vibrarecorder charts. Night grazing began earlier the lower the temperature, but temperature only accounted for 35% of the variation in the time that grazing began at night. The time that the first grazing period began in the morning was later the shorter the day, and the lower the maximum and minimum temperatures. If the diurnal fluctuation in temperature was high, grazing started later; this suggests that the sheep could sense the sort of day temperatures that would occur. These variables accounted for 52% of the variation in time that grazing began. Total time spent grazing over 24 hours was also influenced by the temperatures during the day, and by the temperature and wind-run the day before. The amount of grazing done the previous day had no effect. In all, 58% of the variation in grazing time was accounted for by weather effects. |
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Palavras-Chave: |
Feeding habits; Pastoreio. |
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Thesagro: |
Manejo; Ovino; Pastagem. |
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Thesaurus Nal: |
Grazing; Ruminant nutrition; Sheep. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 01820naa a2200217 a 4500
001 1523754
005 2023-07-31
008 1982 bl uuuu u00u1 u #d
100 1 $aARNOLD, G. W.
245 $aSome factors affecting the grazing behaviour of sheep in winter in New South Wales.$h[electronic resource]
260 $c1982
520 $aAbstract: The effects of weather conditions in winter on the grazing behaviour of sheep was studied on the Southern Tablelands of New South Wales. Minimum screen temperatures were in the range ?7 to 9°C, maximum temperatures 5 to 18°C and wind speeds between 26 and 126 km per day. Most observations were restricted to days with little or no rain. Data were obtained from vibrarecorder charts. Night grazing began earlier the lower the temperature, but temperature only accounted for 35% of the variation in the time that grazing began at night. The time that the first grazing period began in the morning was later the shorter the day, and the lower the maximum and minimum temperatures. If the diurnal fluctuation in temperature was high, grazing started later; this suggests that the sheep could sense the sort of day temperatures that would occur. These variables accounted for 52% of the variation in time that grazing began. Total time spent grazing over 24 hours was also influenced by the temperatures during the day, and by the temperature and wind-run the day before. The amount of grazing done the previous day had no effect. In all, 58% of the variation in grazing time was accounted for by weather effects.
650 $aGrazing
650 $aRuminant nutrition
650 $aSheep
650 $aManejo
650 $aOvino
650 $aPastagem
653 $aFeeding habits
653 $aPastoreio
773 $tApplied Animal Ethology$gv. 8, n. 1/2, p. 119-125, Jan. 1982.
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| 2. |  | KARREI, M. A. Z.; DALLAGASPERINA, R. W.; BENVEGNÚ, T.; RIEDER, R.; HÖLBIG, C. A.; FERNANDES, J. M. C.; PAVAN, W. Detecção do molhamento foliar por meio de análise de imagens. In: CONGRESSO DA SOCIEDADE BRASILEIRA DE COMPUTAÇÃO, 36.; WORKSHOP DE COMPUTAÇÃO APLICADA À GESTÃO DO MEIO AMBIENTE E RECURSOS NATURAIS, 7., 2016, Porto Alegre. Computação e interdisciplinaridade: anais. Porto Alegre: Sociedade Brasileira de Computação, 2016. p. 1848-1857.| Tipo: Artigo em Anais de Congresso |
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