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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
10/05/1996 |
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Data da última atualização: |
30/11/2016 |
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Autoria: |
NASCIMENTO, C. N. B. do. |
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Afiliação: |
CRISTO NAZARÉ BARBOSA DO NASCIMENTO, IPEAN. |
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Título: |
Heterotic and environmental effects in rotational crossbreeding of beef cattle. |
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Ano de publicação: |
1968 |
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Fonte/Imprenta: |
[S.l.]: Texas A&M University, 1968. |
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Páginas: |
84 p. |
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Idioma: |
Inglês |
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Notas: |
M.Sc. Thesis. |
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Conteúdo: |
To determine the productivity of Brahman, Hereford, and crossbred cattle measured by pregnancy, calving and weaning percentages of cows and weaning weight of calves. To estimate the yield of milk produced by crossbred, Brahman and Hereford cows. To determine the relationship of yield of milk produced by Brahman, Hereford and crossbred cows to growth rates and weaning weights of their calves. To evaluate the effect of sex, year and month of birth as well as breed or cross of calf, and age of dam on calf weaning weight. |
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Palavras-Chave: |
Bovino de corte; Genetic breeding; Melhoramento genético. |
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Thesagro: |
Ganho de Peso. |
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Thesaurus Nal: |
beef cattle; weight gain. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01091nam a2200205 a 4500
001 1401441
005 2016-11-30
008 1968 bl uuuu m 00u1 u #d
100 1 $aNASCIMENTO, C. N. B. do
245 $aHeterotic and environmental effects in rotational crossbreeding of beef cattle.
260 $a[S.l.]: Texas A&M University$c1968
300 $a84 p.
500 $aM.Sc. Thesis.
520 $aTo determine the productivity of Brahman, Hereford, and crossbred cattle measured by pregnancy, calving and weaning percentages of cows and weaning weight of calves. To estimate the yield of milk produced by crossbred, Brahman and Hereford cows. To determine the relationship of yield of milk produced by Brahman, Hereford and crossbred cows to growth rates and weaning weights of their calves. To evaluate the effect of sex, year and month of birth as well as breed or cross of calf, and age of dam on calf weaning weight.
650 $abeef cattle
650 $aweight gain
650 $aGanho de Peso
653 $aBovino de corte
653 $aGenetic breeding
653 $aMelhoramento genético
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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