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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
07/06/2018 |
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Data da última atualização: |
07/06/2018 |
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Autoria: |
MEYER, H. H. |
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Título: |
Early predictors of ewe fertility. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Proceedings of the New Zealand Society of Animal Production, v. 41, 204-208, 1981. |
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Idioma: |
Inglês |
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Conteúdo: |
Two-tooth ovulation rate and hogget oestrus activity were measured on two flocks in 1975 and reproductive performance was recorded for surviving ewes in 1977-9. Twin ovulators were on average 2 kg heavier than single ovulators and hogget oestrous activity was positively related to May hogget weight. Weight differences diminished but did not disappear with time. Within both flocks a small but positive phenotypic relationship existed between early indicators of increased fertility and subsequent mature reproductive performance. |
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Palavras-Chave: |
Oestrous cycle. |
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Thesaurus Nal: |
Ewes; Reproductive efficiency; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 00984naa a2200169 a 4500
001 2092294
005 2018-06-07
008 1981 bl uuuu u00u1 u #d
100 1 $aMEYER, H. H.
245 $aEarly predictors of ewe fertility.
260 $c1981
520 $aTwo-tooth ovulation rate and hogget oestrus activity were measured on two flocks in 1975 and reproductive performance was recorded for surviving ewes in 1977-9. Twin ovulators were on average 2 kg heavier than single ovulators and hogget oestrous activity was positively related to May hogget weight. Weight differences diminished but did not disappear with time. Within both flocks a small but positive phenotypic relationship existed between early indicators of increased fertility and subsequent mature reproductive performance.
650 $aEwes
650 $aReproductive efficiency
650 $aSheep
653 $aOestrous cycle
773 $tProceedings of the New Zealand Society of Animal Production$gv. 41, 204-208, 1981.
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Embrapa Caprinos e Ovinos (CNPC) |
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