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Caetano,H.; Oliveira,M.D.S.; Freitas Júnior,J.E.; Rêgo,A.C.; Carvalho,M.V.; Rennó,F.P.. |
The objective of this study was to evaluate the nutritional traits and in vitro digestibility of silages from different corn cultivars harvested at two cutting heights. It was evaluated 11 cultivars (Dina 766, Dina 657, Dina 1000, P 3021, P 3041, C 805, C 333, AG 5011, FO 01, Dina co 9621 and BR 205) harvest 5 cm above ground (low) and 5 cm below the intersection of the first ear (high). It was used a random block design (three blocks), arranged in a 11 × 2 factorial scheme. Silages from plants harvested at high cutting height presented average content of dry matter significantly superior to silages from plants harvested at low height. Cultivars FO 01, AG 5011, Dina co 9621 and Dina 766 presented greater content of crude protein than cultivars C 805, P... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chemical composition; Corn cultivars; In vitro digestibility; Silage. |
Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000400002 |
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Afonso,L.E.F.; Santos,M.E.R.; Silva,S.P.; Rêgo,A.C.; Fonseca,D.M.; Carvalho,B.H.R.. |
RESUMO Objetivou-se avaliar os efeitos de quatro alturas (15, 25, 35 e 45cm) da Urochloa brizantha cv. Marandu (capim-marandu) no início do diferimento sobre a morfologia do pasto, a seletividade e o desempenho de ovinos no início, meio e fim do período de pastejo, no inverno. Foi utilizado o delineamento inteiramente ao acaso, com três repetições. Os pastos diferidos com 35 e 45cm apresentaram maiores massas de forragem do que aqueles diferidos com 15 e 25cm. O pasto diferido com 15cm apresentou maior porcentagem de folha e menor percentual de colmo morto, em comparação aos demais pastos. A seleção por folha morta aumentou no período de pastejo. Em geral, nos pastos diferidos mais altos, os percentuais de folha viva foram menores e os de colmo morto,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Composição morfológica; Massa de forragem; Seletividade animal; Desempenho animal; Urochloa brizantha syn. Brachiaria brizantha. |
Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000401249 |
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Santos,M.E.R.; Afonso,L.E.F.; Carvalho,B.H.R.; Rêgo,A.C.; Queiroz,G.J.S.; Medica,J.A.S.; Moraes,L.S.; Carmo,L.L.S.. |
ABSTRACT The objective of this study was to evaluate the apparent selectivity of sheep in marandu palisadegrass (Urochloa brizantha cv. Marandu) pastures with four heights at the beginning of the deferment period (15, 25, 35 and 45cm). The deferment period was 92 days and started on 03/21/2014. Evaluations occurred in the beginning (first week), middle (45th day) and end (92nd day) of the grazing period, in winter (06/21/2014 to 09/21/2014). Deferred pastures with 15 and 25cm presented lower forage mass (FM), but higher live leaf (LL) percentage in FM than deferred pastures with 35 and 45cm. The live stem percentage in the FM and the apparent selectivity index (ASI) of the LL were superior in the deferred pasture with 45cm. The dead stem (DS) percentage in... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pasture deferment; Forage mass; Hand-plucked sample; Urochloa brizantha syn. Brachiaria brizantha. |
Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000501727 |
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