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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
26/07/1995 |
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Data da última atualização: |
26/07/1995 |
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Autoria: |
HOLLOWAY, J. W.; TOTUSEK, R. |
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Título: |
Relationship between preweaning nutritional management and the growth and development on Angus and Hereford females. |
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Ano de publicação: |
1973 |
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Fonte/Imprenta: |
Journal of Animal Science, v.37, n.3, p.800-806, 1973. |
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Idioma: |
Inglês |
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Conteúdo: |
A total of 206 Angus and Hereford females were used in four trials to determine the effects of three preweaning planes of nutrition imposed by (1) weaning at 140 days, (2) weaning at 240 days and (3) creepfeeding and weaning at 240 days. At 240 days of age, 140-day weaned, 240-day weaned and creep-fed females weighed 175.7, 206.5 and 226.0 kg, respectively. After weaning, all females were treated alike under range conditions. Weights and body measurements, actual and photographic, were taken at 140 days, 240 days, 1.0 year and 6-month intervals thereafter to 4.5 years. Body weight, lenght of body, height at hooks and withers, and circumference of heart girth were significantly (P < .05) affected by treatment to 1.5 years. The creep-fed females gained the least and the 140-day weaned females the most in structural size between 240 days and 20 yeras of age. The creep-fed females lost more weight and condition during their first pregnancy (which coincided with their first winter) than did the other treatments (which remained rather constant). The creep-fed group also showed a greater decrease in rate of skeletal growth than the other treatments during this period. No significant difference (P >.10) for any measurement of height between 240-day weaned and creep-fed groups was ever noted, although a signifiant (P <.05) difference between extreme treatments was apparent through 1.5 years of age. The 140-day weaned group tended to remain smaller for all variables studied, but differences after 1.5 years of age were small. Although the angus females matured earlier and the Herefords grew to a larger mature size, the preweaning treatments did not affect the breeds differently. MenosA total of 206 Angus and Hereford females were used in four trials to determine the effects of three preweaning planes of nutrition imposed by (1) weaning at 140 days, (2) weaning at 240 days and (3) creepfeeding and weaning at 240 days. At 240 days of age, 140-day weaned, 240-day weaned and creep-fed females weighed 175.7, 206.5 and 226.0 kg, respectively. After weaning, all females were treated alike under range conditions. Weights and body measurements, actual and photographic, were taken at 140 days, 240 days, 1.0 year and 6-month intervals thereafter to 4.5 years. Body weight, lenght of body, height at hooks and withers, and circumference of heart girth were significantly (P < .05) affected by treatment to 1.5 years. The creep-fed females gained the least and the 140-day weaned females the most in structural size between 240 days and 20 yeras of age. The creep-fed females lost more weight and condition during their first pregnancy (which coincided with their first winter) than did the other treatments (which remained rather constant). The creep-fed group also showed a greater decrease in rate of skeletal growth than the other treatments during this period. No significant difference (P >.10) for any measurement of height between 240-day weaned and creep-fed groups was ever noted, although a signifiant (P <.05) difference between extreme treatments was apparent through 1.5 years of age. The 140-day weaned group tended to remain smaller for all variables studied, but diffe... Mostrar Tudo |
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Palavras-Chave: |
Bovine; Desenvolvimento; Develoepment; Growth. |
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Thesagro: |
Bovino; Crescimento; Nutrição. |
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Thesaurus Nal: |
Angus; Hereford; nutrition. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02384naa a2200253 a 4500
001 1784995
005 1995-07-26
008 1973 bl --- 0-- u #d
100 1 $aHOLLOWAY, J. W.
245 $aRelationship between preweaning nutritional management and the growth and development on Angus and Hereford females.
260 $c1973
520 $aA total of 206 Angus and Hereford females were used in four trials to determine the effects of three preweaning planes of nutrition imposed by (1) weaning at 140 days, (2) weaning at 240 days and (3) creepfeeding and weaning at 240 days. At 240 days of age, 140-day weaned, 240-day weaned and creep-fed females weighed 175.7, 206.5 and 226.0 kg, respectively. After weaning, all females were treated alike under range conditions. Weights and body measurements, actual and photographic, were taken at 140 days, 240 days, 1.0 year and 6-month intervals thereafter to 4.5 years. Body weight, lenght of body, height at hooks and withers, and circumference of heart girth were significantly (P < .05) affected by treatment to 1.5 years. The creep-fed females gained the least and the 140-day weaned females the most in structural size between 240 days and 20 yeras of age. The creep-fed females lost more weight and condition during their first pregnancy (which coincided with their first winter) than did the other treatments (which remained rather constant). The creep-fed group also showed a greater decrease in rate of skeletal growth than the other treatments during this period. No significant difference (P >.10) for any measurement of height between 240-day weaned and creep-fed groups was ever noted, although a signifiant (P <.05) difference between extreme treatments was apparent through 1.5 years of age. The 140-day weaned group tended to remain smaller for all variables studied, but differences after 1.5 years of age were small. Although the angus females matured earlier and the Herefords grew to a larger mature size, the preweaning treatments did not affect the breeds differently.
650 $aAngus
650 $aHereford
650 $anutrition
650 $aBovino
650 $aCrescimento
650 $aNutrição
653 $aBovine
653 $aDesenvolvimento
653 $aDeveloepment
653 $aGrowth
700 1 $aTOTUSEK, R.
773 $tJournal of Animal Science$gv.37, n.3, p.800-806, 1973.
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Registro original: |
Embrapa Pantanal (CPAP) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Clima Temperado. Para informações adicionais entre em contato com cpact.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
18/01/2010 |
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Data da última atualização: |
18/10/2011 |
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Autoria: |
PAES, J. M. V.; ZITO, R. K.; LUCAS, F. T.; BORGES, B. M. M. N.; OLIVEIRA JUNIOR, A. B. de; FILHO, M. A. de O. N. |
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Título: |
Avaliação de cultivares de girassol em Uberaba/MG |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
In: REUNIÃO NACIONAL DE PESQUISA DO GIRASSOL, 18., SIMPÓSIO NACIONAL SOBRE A CULTURA DO GIRASSOL, 6., 2009. Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2009. p. 183-187. Editado por Ana Claudia Barneche de Oliveira, Ana Paula Afonso Scheneid da Rosa e Márcia Vizzotto. |
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ISBN: |
978-85-85491-39-0 |
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Idioma: |
Português |
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Palavras-Chave: |
Cultivares de girassol. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00784naa a2200193 a 4500
001 1747203
005 2011-10-18
008 2009 bl uuuu u00u1 u #d
020 $a978-85-85491-39-0
100 1 $aPAES, J. M. V.
245 $aAvaliação de cultivares de girassol em Uberaba/MG
260 $c2009
653 $aCultivares de girassol
700 1 $aZITO, R. K.
700 1 $aLUCAS, F. T.
700 1 $aBORGES, B. M. M. N.
700 1 $aOLIVEIRA JUNIOR, A. B. de
700 1 $aFILHO, M. A. de O. N.
773 $tIn: REUNIÃO NACIONAL DE PESQUISA DO GIRASSOL, 18., SIMPÓSIO NACIONAL SOBRE A CULTURA DO GIRASSOL, 6., 2009. Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2009. p. 183-187. Editado por Ana Claudia Barneche de Oliveira, Ana Paula Afonso Scheneid da Rosa e Márcia Vizzotto.
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