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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: |
02/01/2024 |
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Autoria: |
SIERRA, I. |
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Título: |
Mejora de la prolificidad en la especie ovina (Ovis aries) mediante cruzamiento; Resultados reproductivos de las Hembras Romanov x Rasa Aragonesa ewes. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Archivos de Zootecnia, v. 27, n. 105, p. 61-71, 1978. |
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Idioma: |
Espanhol |
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Conteúdo: |
It is employed Romanov breed in crossing on the Rasa Aragonesa breed, obtainning a crossed ewe whose reproductive characters (sexual precocity and prolificacy) have been studied. The sexual precocity (fertility at terminus in the first lambing) was 72.39 p. 100 (A) and 70.42 p. 100 (B) in Romanov x Rasa Aragonesa ewes (mated at 5 and 12 months old respectively), versus 30,48 p. 100 (C) and 54.76 p. 100 (D) in Rasa Aragonesa breed (P < 0,001 and P < 0,05 in A/C and B/D). ... adaptation to ther new enviroment. |
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Palavras-Chave: |
Prolificacy; Prolificidade. |
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Thesagro: |
Cruzamento; Melhoramento; Ovino. |
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Thesaurus Nal: |
Breeding; Genetic improvement; Sheep. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01161naa a2200217 a 4500
001 1520772
005 2024-01-02
008 1978 bl uuuu u00u1 u #d
100 1 $aSIERRA, I.
245 $aMejora de la prolificidad en la especie ovina (Ovis aries) mediante cruzamiento; Resultados reproductivos de las Hembras Romanov x Rasa Aragonesa ewes.
260 $c1978
520 $aIt is employed Romanov breed in crossing on the Rasa Aragonesa breed, obtainning a crossed ewe whose reproductive characters (sexual precocity and prolificacy) have been studied. The sexual precocity (fertility at terminus in the first lambing) was 72.39 p. 100 (A) and 70.42 p. 100 (B) in Romanov x Rasa Aragonesa ewes (mated at 5 and 12 months old respectively), versus 30,48 p. 100 (C) and 54.76 p. 100 (D) in Rasa Aragonesa breed (P < 0,001 and P < 0,05 in A/C and B/D). ... adaptation to ther new enviroment.
650 $aBreeding
650 $aGenetic improvement
650 $aSheep
650 $aCruzamento
650 $aMelhoramento
650 $aOvino
653 $aProlificacy
653 $aProlificidade
773 $tArchivos de Zootecnia$gv. 27, n. 105, p. 61-71, 1978.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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