2003
DOI: 10.1590/s1516-35982003000700023
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Abstract: RESUMO -A investigação foi realizada para avaliar os efeitos de duas cargas animais (CA280= 280 kg PV/ha e CA360= 360 kg PV/ha) e de duas idades de desmama dos bezerros (DC = Desmama convencional aos sete meses de idade e DP= Desmama precoce aos três/ quatro meses) no comportamento reprodutivo de vacas de corte primíparas de duas composições raciais (½ Nelore ½ Hereford e ¼ Nelore ¾ Hereford). Foram avaliados os ganhos de peso médios diários (GMD) do pós-parto à data da desmama convencional, durante o acasalam… Show more

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Cited by 27 publications
(43 citation statements)
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“…The linear responses observed indicate, however, that the rates used were not sufficient to achieve maximum pasture growth. The models indicate an increase of 0.210 kg/ha/day of DM in the forage accumulation rate for each additional kilogram of nitrogen applied in 2007 and 0.153 kg/ha/day of DM in 2008 in accordance with Freitas (2003).…”
Section: Resultsmentioning
confidence: 75%
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“…The linear responses observed indicate, however, that the rates used were not sufficient to achieve maximum pasture growth. The models indicate an increase of 0.210 kg/ha/day of DM in the forage accumulation rate for each additional kilogram of nitrogen applied in 2007 and 0.153 kg/ha/day of DM in 2008 in accordance with Freitas (2003).…”
Section: Resultsmentioning
confidence: 75%
“…Forage production increased 19 and 15 kg/ha of DM per kg of additional N in the first and second years, respectively. While working on singular pastures of annual ryegrass, Freitas (2003) found responses of about 19 kg/ha DM per kg of additional N.…”
Section: Resultsmentioning
confidence: 99%
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