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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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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: |
20/06/2023 |
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Autoria: |
WILSON, P. N. |
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Título: |
Studies of the browsing and reproductive behaviour of the east African dwarf goat. |
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Ano de publicação: |
1957 |
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Fonte/Imprenta: |
East African Agricultural Journal, v. 23, n. 2, p. 138-147, 1957. |
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DOI: |
https://hdl.handle.net/10568/66935 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Behaviour studies were carried out for 24-hour periods on four groups of experimental goats. There were no major differences between the behaviour of the several animals within a group at any given trial, but there were small statistically significant differences in the times individual goats spent ruminating. The variability in behaviour of the same animal from one trial to the next was pronounced, but was accounted for mainly by differences within the sub-divisions of the major activities rather than in the major activities themselves. Trial to trial variation was greatest for the behaviour of the goats during the hours of darkness. The results indicate that certain differences in behaviour exist between the sexes. The male spent longer ruminating than the females, resulting in a narrower browsing to ruminating ratio for female goats of 1:2.8 - compared to 1: 3.7. The major differences in the behaviour pattern of high and low plane lactating dams were due to the different systems of management employed. The longer period at browse of the high plane group resulted in a narrower browsing to ruminating ratio of 1: 2.7 compared to 1: 6.3 for the low plane group. Ruminating times remained relatively constant for all groups. The differences in behaviour between high and low plane kids of similar ages were very small. As with their dams low plane kids had wider browsing ruminating ratios, 1:2.1compared to 1:1.7. The total feeding times of high and low plane kids were very similar, but low plane kids suckled their dams more frequently during the night than high kids. Observations on the plants eaten by goats showed that over half the browsing time was occupied eating leaves and shoots of trees and bushes, mostly throny Acacias. Grasses were eaten but generally only the inflorescence was eaten and there was no evidence of goats preventing grass establishment and spread. The preference of the goats was for succulent shoots at about head-height. Only very few species were consistently rejected. Observations on the reproductive behaviour of the goats showed that the mean gestation period was 146.5 days. Pregnant goats were occasionally willing to accept service, 14 such instances being proven. The mean number of services per kid born was 2.3. MenosAbstract: Behaviour studies were carried out for 24-hour periods on four groups of experimental goats. There were no major differences between the behaviour of the several animals within a group at any given trial, but there were small statistically significant differences in the times individual goats spent ruminating. The variability in behaviour of the same animal from one trial to the next was pronounced, but was accounted for mainly by differences within the sub-divisions of the major activities rather than in the major activities themselves. Trial to trial variation was greatest for the behaviour of the goats during the hours of darkness. The results indicate that certain differences in behaviour exist between the sexes. The male spent longer ruminating than the females, resulting in a narrower browsing to ruminating ratio for female goats of 1:2.8 - compared to 1: 3.7. The major differences in the behaviour pattern of high and low plane lactating dams were due to the different systems of management employed. The longer period at browse of the high plane group resulted in a narrower browsing to ruminating ratio of 1: 2.7 compared to 1: 6.3 for the low plane group. Ruminating times remained relatively constant for all groups. The differences in behaviour between high and low plane kids of similar ages were very small. As with their dams low plane kids had wider browsing ruminating ratios, 1:2.1compared to 1:1.7. The total feeding times of high and low plane kids were ve... Mostrar Tudo |
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Palavras-Chave: |
East Africa; Feed crops; Sex. |
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Thesagro: |
Alimento para animal; Arbusto; Caprino; Comportamento sexual; Consumo; Idade; Nutrição animal; Pastejo; Reprodução. |
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Thesaurus Nal: |
Age; Animal breeding; Browsing; Eastern Africa; Goats; Reproduction; Uganda. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03244naa a2200361 a 4500
001 1523678
005 2023-06-20
008 1957 bl uuuu u00u1 u #d
024 7 $ahttps://hdl.handle.net/10568/66935$2DOI
100 1 $aWILSON, P. N.
245 $aStudies of the browsing and reproductive behaviour of the east African dwarf goat.$h[electronic resource]
260 $c1957
520 $aAbstract: Behaviour studies were carried out for 24-hour periods on four groups of experimental goats. There were no major differences between the behaviour of the several animals within a group at any given trial, but there were small statistically significant differences in the times individual goats spent ruminating. The variability in behaviour of the same animal from one trial to the next was pronounced, but was accounted for mainly by differences within the sub-divisions of the major activities rather than in the major activities themselves. Trial to trial variation was greatest for the behaviour of the goats during the hours of darkness. The results indicate that certain differences in behaviour exist between the sexes. The male spent longer ruminating than the females, resulting in a narrower browsing to ruminating ratio for female goats of 1:2.8 - compared to 1: 3.7. The major differences in the behaviour pattern of high and low plane lactating dams were due to the different systems of management employed. The longer period at browse of the high plane group resulted in a narrower browsing to ruminating ratio of 1: 2.7 compared to 1: 6.3 for the low plane group. Ruminating times remained relatively constant for all groups. The differences in behaviour between high and low plane kids of similar ages were very small. As with their dams low plane kids had wider browsing ruminating ratios, 1:2.1compared to 1:1.7. The total feeding times of high and low plane kids were very similar, but low plane kids suckled their dams more frequently during the night than high kids. Observations on the plants eaten by goats showed that over half the browsing time was occupied eating leaves and shoots of trees and bushes, mostly throny Acacias. Grasses were eaten but generally only the inflorescence was eaten and there was no evidence of goats preventing grass establishment and spread. The preference of the goats was for succulent shoots at about head-height. Only very few species were consistently rejected. Observations on the reproductive behaviour of the goats showed that the mean gestation period was 146.5 days. Pregnant goats were occasionally willing to accept service, 14 such instances being proven. The mean number of services per kid born was 2.3.
650 $aAge
650 $aAnimal breeding
650 $aBrowsing
650 $aEastern Africa
650 $aGoats
650 $aReproduction
650 $aUganda
650 $aAlimento para animal
650 $aArbusto
650 $aCaprino
650 $aComportamento sexual
650 $aConsumo
650 $aIdade
650 $aNutrição animal
650 $aPastejo
650 $aReprodução
653 $aEast Africa
653 $aFeed crops
653 $aSex
773 $tEast African Agricultural Journal$gv. 23, n. 2, p. 138-147, 1957.
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Embrapa Caprinos e Ovinos (CNPC) |
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| 1. |  | COELHO, R. C.; SILVA, D. S. N.; SILVA, H. de C.; ROCHA, M. de M.; BARSOTTI, R. C. F.; MALTEZ, H. F.; DANTAS, C.; LOPES JÚNIOR, C. A.; BARBOSA, H. de S. Revealing the extended effect of biofortification on seed of cowpea cultivars. Journal of Food Composition and Analysis, v. 119, 105291, 2023.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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