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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: |
27/04/2023 |
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Autoria: |
MCMILLIAN, W. H.; KNIGHT, T. W.; MACMILLAS, K. L. |
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Título: |
Effects of gonadotropin releasing hormone (buserelin) on sheep fertility. |
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Ano de publicação: |
1986 |
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Fonte/Imprenta: |
Proceedings New Zealand Society Animal Production, v. 46, p. 161-163, 1986. |
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Idioma: |
Inglês |
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Conteúdo: |
An agonist of gonadotrophin releasing hormone (GnRH) improves dairy cow pregnancy rates when injected at an appropriate stage after insemination. These studies were extended to ewes and hoggets in a series of trials to determme the effects of a single injection of GnRH made at varied intervals after mating. All sheep were mated at a synchronised oestrus (day of oestrus q day 0) with treated ewes being injected on a set date with 2 or 4 g of the GnRH analogue buserelin. Among ewes injected ondays 10, 11, 12, 13 or 14post-mating, the increases in%ewes lambing were(number ofewes in brackets): 18(65), 1(204), 12( 150), 4( 13 1) and 8(20) respectively. Similarly, the increases for hoggets treated on days 12 and 13 were 23(98) and 5(86) respectively. Among ewes that did not conceive at the synchronised oestrus, GnRH did not affect return to service pregnancy rates, although return to service intervals were increased (17.5 v 16.9 days P 0.0 I). These studies showed that a single injection ofa small dose ofa potent GnRH agonist had an effect on fertility and cycle length. The mechanism by which GnRH increased pregnancy rates probably involved corpus luteum function. |
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Palavras-Chave: |
Buserelin; GnRH; Oestrous cycles. |
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Thesagro: |
Fertilidade; Fisiologia; Ovino; Reprodução. |
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Thesaurus Nal: |
Animal fertility; Gonadotropin release; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01914naa a2200265 a 4500
001 1519682
005 2023-04-27
008 1986 bl uuuu u00u1 u #d
100 1 $aMCMILLIAN, W. H.
245 $aEffects of gonadotropin releasing hormone (buserelin) on sheep fertility.$h[electronic resource]
260 $c1986
520 $aAn agonist of gonadotrophin releasing hormone (GnRH) improves dairy cow pregnancy rates when injected at an appropriate stage after insemination. These studies were extended to ewes and hoggets in a series of trials to determme the effects of a single injection of GnRH made at varied intervals after mating. All sheep were mated at a synchronised oestrus (day of oestrus q day 0) with treated ewes being injected on a set date with 2 or 4 g of the GnRH analogue buserelin. Among ewes injected ondays 10, 11, 12, 13 or 14post-mating, the increases in%ewes lambing were(number ofewes in brackets): 18(65), 1(204), 12( 150), 4( 13 1) and 8(20) respectively. Similarly, the increases for hoggets treated on days 12 and 13 were 23(98) and 5(86) respectively. Among ewes that did not conceive at the synchronised oestrus, GnRH did not affect return to service pregnancy rates, although return to service intervals were increased (17.5 v 16.9 days P 0.0 I). These studies showed that a single injection ofa small dose ofa potent GnRH agonist had an effect on fertility and cycle length. The mechanism by which GnRH increased pregnancy rates probably involved corpus luteum function.
650 $aAnimal fertility
650 $aGonadotropin release
650 $aSheep
650 $aFertilidade
650 $aFisiologia
650 $aOvino
650 $aReprodução
653 $aBuserelin
653 $aGnRH
653 $aOestrous cycles
700 1 $aKNIGHT, T. W.
700 1 $aMACMILLAS, K. L.
773 $tProceedings New Zealand Society Animal Production$gv. 46, p. 161-163, 1986.
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| 3. |  | TRINDADE NETO, M. A. da; BARBOSA, H. P.; PETELINCAR, I. M.; SCHAMMASS, E. A. Efeito do processamento e nível de proteína em dietas com milho e soja no desempenho de leitões desmamados. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 38, n. 3, p. 427-435, mar. 2003 Título em inglês: Effect of manufacturing and protein level in diets with corn and soybean on performance of weaned piglets.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 4. | | RICCI, G. D.; DALLA COSTA, O. A.; TITTO, C. G.; TRINDADE NETO, M. A. da; BERTO, P. N.; FARIAS, S. de S.; TITTO, E. A. L. Comportamento e ganho de peso de suínos na creche submetidos ao desgaste ou não dos dentes na fase de maternidade. In: ENCONTRO ANUAL DE ETOLOGIA, 34., 2016, Jaboticabal, SP. Voltando as origens e desenhando o futuro. Anais... Jabotical: ETCO, SBEt; UNESP; FUNEP, 2016. p. 190.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Suínos e Aves. |
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| Registros recuperados : 4 | |
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