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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
03/04/1996 |
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Data da última atualização: |
05/01/2024 |
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Autoria: |
SYNNOTT, A. L.; FULKERSON, W. J. |
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Título: |
Influence of social interaction between rams on their serving capacity. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Applied Animal Ethology, v. 11, n. 3, p. 283-289, Apr. 1984. |
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DOI: |
https://doi.org/10.1016/0304-3762(84)90035-X |
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Idioma: |
Inglês |
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Notas: |
Short Communication. |
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Conteúdo: |
Abstract: The experiment was designed to test the hypothesis that social interaction between rams influenced their serving capacity and modified their preference for ewes. The serving capacity and the preference for particular ewes was recorded on the first and seventh day of joining in 8 rams mated either individually or in pairs to 12 oestrous ewes. The serving capacity (mean number ejaculates/hour) was 50% lower in both dominant and submissive rams when working together compared with single-sire matings. However, when working together, 33% of the available ewes were served by the submissive ram and 12.5% were served by the dominant ram so that, in total, more ewes were served (total mean number ± SE of ewes served/ram when mated either individually or as a pair = 4.50 ± 0.89 and 5.50 ± 0.57, respectively). This resulted from a modification in ewe preference by the submissive ram. In the absence of competition, the same ewes were observed to be preferred by most rams. This ewe ?attractiveness? was found not to be a permanent characteristic, as the preferred ewes at one oestrus were not necessarily those most preferred at a subsequent oestrus. Ram-grouping for experiment 1; Criteria used for recording of mating behaviour for experiment 2; Ram combinations for experiment 1; Mean number ejaculates/h (+ou- SE) of (a) dominant and (b) submissive rams when fresh or continually mated, and mated individually or as a pair; Number of ewes served by (a) dominant and (b) submissive rams continually mated and presented individually or as a pair. MenosAbstract: The experiment was designed to test the hypothesis that social interaction between rams influenced their serving capacity and modified their preference for ewes. The serving capacity and the preference for particular ewes was recorded on the first and seventh day of joining in 8 rams mated either individually or in pairs to 12 oestrous ewes. The serving capacity (mean number ejaculates/hour) was 50% lower in both dominant and submissive rams when working together compared with single-sire matings. However, when working together, 33% of the available ewes were served by the submissive ram and 12.5% were served by the dominant ram so that, in total, more ewes were served (total mean number ± SE of ewes served/ram when mated either individually or as a pair = 4.50 ± 0.89 and 5.50 ± 0.57, respectively). This resulted from a modification in ewe preference by the submissive ram. In the absence of competition, the same ewes were observed to be preferred by most rams. This ewe ?attractiveness? was found not to be a permanent characteristic, as the preferred ewes at one oestrus were not necessarily those most preferred at a subsequent oestrus. Ram-grouping for experiment 1; Criteria used for recording of mating behaviour for experiment 2; Ram combinations for experiment 1; Mean number ejaculates/h (+ou- SE) of (a) dominant and (b) submissive rams when fresh or continually mated, and mated individually or as a pair; Number of ewes served by (a) dominant and (b) submissive ra... Mostrar Tudo |
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Palavras-Chave: |
Comportamento reprodutivo. |
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Thesagro: |
Ovino; Reprodução. |
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Thesaurus Nal: |
Reproduction; Reproductive behavior; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02260naa a2200229 a 4500
001 1522437
005 2024-01-05
008 1984 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/0304-3762(84)90035-X$2DOI
100 1 $aSYNNOTT, A. L.
245 $aInfluence of social interaction between rams on their serving capacity.$h[electronic resource]
260 $c1984
500 $aShort Communication.
520 $aAbstract: The experiment was designed to test the hypothesis that social interaction between rams influenced their serving capacity and modified their preference for ewes. The serving capacity and the preference for particular ewes was recorded on the first and seventh day of joining in 8 rams mated either individually or in pairs to 12 oestrous ewes. The serving capacity (mean number ejaculates/hour) was 50% lower in both dominant and submissive rams when working together compared with single-sire matings. However, when working together, 33% of the available ewes were served by the submissive ram and 12.5% were served by the dominant ram so that, in total, more ewes were served (total mean number ± SE of ewes served/ram when mated either individually or as a pair = 4.50 ± 0.89 and 5.50 ± 0.57, respectively). This resulted from a modification in ewe preference by the submissive ram. In the absence of competition, the same ewes were observed to be preferred by most rams. This ewe ?attractiveness? was found not to be a permanent characteristic, as the preferred ewes at one oestrus were not necessarily those most preferred at a subsequent oestrus. Ram-grouping for experiment 1; Criteria used for recording of mating behaviour for experiment 2; Ram combinations for experiment 1; Mean number ejaculates/h (+ou- SE) of (a) dominant and (b) submissive rams when fresh or continually mated, and mated individually or as a pair; Number of ewes served by (a) dominant and (b) submissive rams continually mated and presented individually or as a pair.
650 $aReproduction
650 $aReproductive behavior
650 $aSheep
650 $aOvino
650 $aReprodução
653 $aComportamento reprodutivo
700 1 $aFULKERSON, W. J.
773 $tApplied Animal Ethology$gv. 11, n. 3, p. 283-289, Apr. 1984.
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| 1. |  | COSTA, G. S.; PESSANHA, F. da M.; ESPÍNDOLA, J. A. A.; CARVALHO, G. J. A. de; GRAVINA, G. de A.; REIS, L. C.; JORGE, M. E.; SOUZA, C. L. M. de. Desempenho da condessa (Anonna reticulata) em diferentes níveis de fósforo no norte fluminense. In: REUNIÃO ANUAL DA SOCIEDADE INTERAMERICANA DE HORTICULTURA TROPICAL, 49., 2003, Fortaleza. Horticultura tropical em regiões semi-áridas: programas e resumos... Fortaleza: Embrapa Agroindústria Tropical, 2003. Resumo P175. Título equivalente: XLIX REUNIÓN DE LA SOCIEDAD INTERAMERICANA DE HORTICULTURA TROPICAL e XLIX ANNUAL MEETING OF THE INTERAMERICAN SOCIETY FOR TROPICAL HORTICULTURE.| Biblioteca(s): Embrapa Agrobiologia. |
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