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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: |
13/06/2023 |
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Autoria: |
SMITH, J. F.; JAGUSCH, K. T.; FARQUHAR, P. A. |
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Título: |
The effect on the duration and timing of flushing on the ovulation rate of ewes. |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
Proceedings of the New Zealand Society of Animal Production, v. 43, p. 13-16, Jan. 1983. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: In each of 2 years Coopworth ewes were randomised to 8 groups which were offered 2 levels of herbage allowance (1.0 and 5.0 kg DM/ewe/d) from mixed pasture for varying periods during the 6 weeks prior to a synchronised mating. The ovulation rates of ewes fed at the lower allowance and then given the higher allowance for periods of 1 or 2 weeks prior to mating were not different from those fed continuously at the lower allowance. Ewes offered 3 weeks at the higher allowance showed a 25% increase in ovulation rate irrespective of when in the 6 week period this was received. Thus a minimum carry over period of 3 weeks was obtained. A further 30% increase in ovulation rate was obtained when ewes were offered the higher allowance for the full 6 week period. The proportion in ovulation rate was obtained when ewes were offered the higher allowance for the full 6 week period. The proportion of ewes lambing multiples was lower for those receiving <3 weeks high level feeding than for those receiving at least 3 weeks (33.5% v 56.0%; P<0.001), but there was no additional response to feeding at the high level for 6 weeks. |
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Palavras-Chave: |
Flushing; Suplementacao; Taxa de ovulacao. |
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Thesagro: |
Nutrição; Ovino; Reprodução. |
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Thesaurus Nal: |
Animal reproduction; Feeding level; Ovulation; Ruminant nutrition; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01932naa a2200277 a 4500
001 1522188
005 2023-06-13
008 1983 bl uuuu u00u1 u #d
100 1 $aSMITH, J. F.
245 $aThe effect on the duration and timing of flushing on the ovulation rate of ewes.$h[electronic resource]
260 $c1983
520 $aAbstract: In each of 2 years Coopworth ewes were randomised to 8 groups which were offered 2 levels of herbage allowance (1.0 and 5.0 kg DM/ewe/d) from mixed pasture for varying periods during the 6 weeks prior to a synchronised mating. The ovulation rates of ewes fed at the lower allowance and then given the higher allowance for periods of 1 or 2 weeks prior to mating were not different from those fed continuously at the lower allowance. Ewes offered 3 weeks at the higher allowance showed a 25% increase in ovulation rate irrespective of when in the 6 week period this was received. Thus a minimum carry over period of 3 weeks was obtained. A further 30% increase in ovulation rate was obtained when ewes were offered the higher allowance for the full 6 week period. The proportion in ovulation rate was obtained when ewes were offered the higher allowance for the full 6 week period. The proportion of ewes lambing multiples was lower for those receiving <3 weeks high level feeding than for those receiving at least 3 weeks (33.5% v 56.0%; P<0.001), but there was no additional response to feeding at the high level for 6 weeks.
650 $aAnimal reproduction
650 $aFeeding level
650 $aOvulation
650 $aRuminant nutrition
650 $aSheep
650 $aNutrição
650 $aOvino
650 $aReprodução
653 $aFlushing
653 $aSuplementacao
653 $aTaxa de ovulacao
700 1 $aJAGUSCH, K. T.
700 1 $aFARQUHAR, P. A.
773 $tProceedings of the New Zealand Society of Animal Production$gv. 43, p. 13-16, Jan. 1983.
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| 1. |  | SANTOS, L. R.; BARROS, P. S. do R.; MONTEIRO, D. A.; TABOSA, J. N.; MELO, A. F. de; LYRA, M. do C. C. P. de; OLIVEIRA, J. R. de S.; FERNANDES JUNIOR, P. I.; FREITAS, A. D. S. de; RACHID, C. T. C. da C. Influences of plant organ, genotype, and cultivation site on the endophytic bacteriome of maize (Zea mays L.) in the semi‑arid region of Pernambuco, Brazil. Brazilian Journal of Microbiology, v. 55, n. 1, p. 789-797, 2024.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
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