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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: |
17/05/2023 |
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Autoria: |
RODRÍGUEZ IGLESIAS, R. M.; CICCIOLI, N. H.; IRAZOQUI, H.; RODRIGUEZ, B. T. |
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Afiliação: |
R. M. RODRÍGUEZ IGLESIAS. |
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Título: |
Importance of behavioural stimuli in ram-induced ovulation in seasonally anovular corriedale ewes. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Applied Animal Behaviour Science, v. 30, n. 3/4, p. 323-332, 1991. |
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DOI: |
https://doi.org/10.1016/0168-1591(91)90137-M |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Three groups of about 65 seasonally anovular Corriedale ewes were penned and exposed to rams on November 4, 1989. A fourth group (n=64) was maintained in a 3-ha paddock and also exposed to rams on the same date. The sexual behaviour exhibited by rams in contact with penned ewes was recorded during nine simultaneous observation sessions lasting 2 h each. Five days after ram introduction, incidence of ovulation and ovulation rate were higher (P < 0.01) in adult than in 1.5-year-old ewes. Among penned adult ewes, a greater (P < 0.05) incidence of ovulation was recorded in ewes maintained in contact with rams and oestrous ewes (95.8%) than in ewes exposed to either rams with or without recent experience with oestrous ewes (68.7 and 57.1%, respectively). The fourth group, exposed to rams in field conditions, exhibited a lower (P < 0.05) incidence of ovulation (31.9%) than any other group. No differences among treatments were detected in 1.5-year-old ewes. The incidence of ovulation was associated (r=0.99, P<0.05) with the sexual behaviour displayed by the rams. It was concluded that the sexual behaviour of the rams plays an important role in ram-induced ovulation and that the continuous presence of oestrous ewes is necessary for the maximum efficacy of the technique in Corriedale ewes. |
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Palavras-Chave: |
Anestro; Efeito macho; Induced ovulation. |
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Thesagro: |
Ovino; Reprodução. |
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Thesaurus Nal: |
Ewes; Reproduction; Sexual behavior; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02145naa a2200277 a 4500
001 1520273
005 2023-05-17
008 1991 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/0168-1591(91)90137-M$2DOI
100 1 $aRODRÍGUEZ IGLESIAS, R. M.
245 $aImportance of behavioural stimuli in ram-induced ovulation in seasonally anovular corriedale ewes.$h[electronic resource]
260 $c1991
520 $aAbstract: Three groups of about 65 seasonally anovular Corriedale ewes were penned and exposed to rams on November 4, 1989. A fourth group (n=64) was maintained in a 3-ha paddock and also exposed to rams on the same date. The sexual behaviour exhibited by rams in contact with penned ewes was recorded during nine simultaneous observation sessions lasting 2 h each. Five days after ram introduction, incidence of ovulation and ovulation rate were higher (P < 0.01) in adult than in 1.5-year-old ewes. Among penned adult ewes, a greater (P < 0.05) incidence of ovulation was recorded in ewes maintained in contact with rams and oestrous ewes (95.8%) than in ewes exposed to either rams with or without recent experience with oestrous ewes (68.7 and 57.1%, respectively). The fourth group, exposed to rams in field conditions, exhibited a lower (P < 0.05) incidence of ovulation (31.9%) than any other group. No differences among treatments were detected in 1.5-year-old ewes. The incidence of ovulation was associated (r=0.99, P<0.05) with the sexual behaviour displayed by the rams. It was concluded that the sexual behaviour of the rams plays an important role in ram-induced ovulation and that the continuous presence of oestrous ewes is necessary for the maximum efficacy of the technique in Corriedale ewes.
650 $aEwes
650 $aReproduction
650 $aSexual behavior
650 $aSheep
650 $aOvino
650 $aReprodução
653 $aAnestro
653 $aEfeito macho
653 $aInduced ovulation
700 1 $aCICCIOLI, N. H.
700 1 $aIRAZOQUI, H.
700 1 $aRODRIGUEZ, B. T.
773 $tApplied Animal Behaviour Science$gv. 30, n. 3/4, p. 323-332, 1991.
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| Registros recuperados : 4 | |
| 2. |  | MONTAGNER, D. B.; EUCLIDES, V. P. B.; BARBOSA, L. F.; ARAUJO, A. R. de; SOUSA, C. C. C. Productive responses in Mombaça grass receiving nitrogen doses under intermittent stocking. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 55.; CONGRESSO BRASILEIRO DE ZOOTECNIA, 28., 2018, Goiânia. Construindo saberes, formando pessoas e transformando a produção animal: anais. Viçosa: Sociedade Brasileira de Zootecnia; Brasília, DF: Associação Brasileira de Zootecnistas.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Corte. |
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| 3. | | MONTAGNER, D. B.; EUCLIDES, V. P. B.; SOUSA, C. C. C.; ARAUJO, A. R. de; BARBOSA, L. F.; SOUZA, D. L. de. Nitrogen doses affecting Mombaça grass morphogenetic characteristic under grazing. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 55.; CONGRESSO BRASILEIRO DE ZOOTECNIA, 28., 2018, Goiânia. Construindo saberes, formando pessoas e transformando a produção animal: anais. Viçosa: Sociedade Brasileira de Zootecnia; Brasília, DF: Associação Brasileira de Zootecnistas.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Corte. |
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| 4. | | SOUSA, C. C. C.; MONTAGNER, D. B.; ARAUJO, A. R. de; EUCLIDES, V. P. B.; DIFANTE, G. dos S.; GURGEL, A. L. C.; SOUZA, D. L. de. The soil-plant interface in Megathyrsus maximus cv. Mombasa subjected to different doses of nitrogen in rotational grazing. Revista Mexicana de Ciência Pecuárias, v. 12, n. 4, 2021. 1098-1196| Tipo: Artigo em Periódico Indexado |
| Biblioteca(s): Embrapa Gado de Corte. |
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| Registros recuperados : 4 | |
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