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Registro Completo |
Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
Data corrente: |
13/03/1996 |
Data da última atualização: |
13/09/2013 |
Autoria: |
WOOD, P. D. P. |
Título: |
Factors affecting the shapem of the lactation curve in cattle. |
Ano de publicação: |
1969 |
Fonte/Imprenta: |
Animal Production, v. 11, p. 307-316, 1969. |
Idioma: |
Inglês |
Conteúdo: |
The lactation curve in cattle has been explained by the expression: Ya = An be -cm Where Yn is the average daily yield in the nth week, and A,b, and c are constants. In general, in a sample of 859 Friesian lactations recorded during 1964-65 daily yield was depressed during the winter months (18-8% in january) and stimulated during the spring (14-7% in may) to an extent which was independent of the stage of lactation. Winter calvers on the other hand tended to produce more in total lactation than spring calvers (14-5% for animals calving in november as opposed to those calving in april). |
Palavras-Chave: |
Curva; Gado de leite. |
Thesagro: |
Lactação. |
Thesaurus Nal: |
cattle; lactation curve. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01080naa a2200181 a 4500 001 1366005 005 2013-09-13 008 1969 bl --- 0-- u #d 100 1 $aWOOD, P. D. P. 245 $aFactors affecting the shapem of the lactation curve in cattle.$h[electronic resource] 260 $c1969 520 $aThe lactation curve in cattle has been explained by the expression: Ya = An be -cm Where Yn is the average daily yield in the nth week, and A,b, and c are constants. In general, in a sample of 859 Friesian lactations recorded during 1964-65 daily yield was depressed during the winter months (18-8% in january) and stimulated during the spring (14-7% in may) to an extent which was independent of the stage of lactation. Winter calvers on the other hand tended to produce more in total lactation than spring calvers (14-5% for animals calving in november as opposed to those calving in april). 650 $acattle 650 $alactation curve 650 $aLactação 653 $aCurva 653 $aGado de leite 773 $tAnimal Production$gv. 11, p. 307-316, 1969.
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172. | | ARAUJO, J. P. P. de. Inovação verde. Jornal Agrovalor (Coluna Agrotecnologia), Fortaleza, n. 61, p. 5, mar/11.Tipo: Artigo de Divulgação na Mídia |
Biblioteca(s): Embrapa Agroindústria Tropical. |
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179. | | ALBUQUERQUE, P. E. P. de. Manejo de irrigação. In: CRUZ, J. C. (Ed.). Cultivo do milho. 6. ed. Sete Lagoas: Embrapa Milho e Sorgo, 2010. (Embrapa Milho e Sorgo. Sistema de produção, 1).Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Milho e Sorgo. |
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