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Intake, digestibility, and performance of steers fed diets based on two corn silage hybrids and two concentrate levels Arq. Bras. Med. Vet. Zootec.
Chizzotti,F.H.M.; Pereira,O.G.; Valadares Filho,S.C.; Tedeschi,L.O.; Ribeiro,K.G.; Pereira,D.H..
A trial involving a 2x2 factorial arrangement of treatments was conducted to evaluate two corn silage hybrids (Agromen, AGN35-A42) and (Bayer, A3663) and concentrate levels (25 and 50%) on animal performance. Twenty-four Holstein x Zebu crossbred steers, averaging 335±30kg of BW, were distributed in six randomized blocks to evaluate intake, digestibility, and performance. Treatments consisted of 75% corn silage A + 25% concentrate, 50% corn silage A + 50% concentrate, 75% corn silage B + 25% concentrate, and 50% corn silage B + 50% concentrate (dry matter basis); formulated to be isonitrogenous (13% crude protein, dry matter basis). There were no differences in the daily intakes of dry matter (DM), organic matter (OM), and crude protein. Additionally,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Steer; Feedlot; Roughage; Total digestible nutrient.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352010000400016
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Intake, digestibility, ruminal parameters, and microbial protein synthesis in crossbred steers fed diets based on Brachiaria grass silage and sorghum silage Arq. Bras. Med. Vet. Zootec.
Chizzotti,F.H.M.; Pereira,O.G.; Valadares Filho,S.C.; Chizzotti,M.L.; Leão,M.I.; Pereira,D.H.; Tedeschi,L.O..
A trial was carried out with four Holstein x Nellore crossbred steers (225±22kg of BW) fitted with ruminal and abomasal cannulaes in a 4 x 4 Latin Square design to evaluate the intake and the total and partial apparent digestibilities of nutrients, ruminal parameters, and microbial synthesis. Diets consisted of 60% silage and 40% concentrate formulated to be isonitrogenous (12.5% of crude protein, dry matter basis). Treatments consisted of different proportions of Brachiaria brizantha grass silage and sorghum silage: 100:0; 67:33; 33:67, and 0:100%, respectively, on dry matter basis. The intake of dry matter, organic matter, crude protein, ether extract, non-fiber carbohydrates, and total digestible nutrients linearly increased (P<0.01) as levels of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brachiaria brizantha; Microbial efficiency; Total digestible nutrients.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352009000600012
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Silage of rehydrated corn grain Arq. Bras. Med. Vet. Zootec.
Mombach,M.A.; Pereira,D.H.; Pina,D.S.; Bolson,D.C; Pedreira,B.C..
ABSTRACT The objective with this study was to evaluate the effect of different levels of water inclusion on the chemical composition and fermentation profiles of reconstituted corn grain silage. The experiment was carried out in a factorial arrangement in a completely randomized design, with three replicates per treatment. Five treatments were evaluated with different levels of water inclusion (% of the natural matter): dry corn grain (control); 90% dry corn grain (DCG) and 10% water; 80% DCG and 20% water; 70% DGC and 30% water; and 60% DCG and 40% water, totaling 45 experimental silos. Inclusion of water in the silage of reconstituted corn grain promoted a reduction in the CP (%) and NDF (%) contents. However, the water increase elevated the NPN/TN...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Water; Concentrate; Ensiling; Fermentation; Moisture.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000300959
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Tiller density and tillering on Brachiaria brizantha cv. Marandu pastures inoculated with Azospirillum brasilense Arq. Bras. Med. Vet. Zootec.
Pedreira,B.C.; Barbosa,P.L.; Pereira,L.E.T.; Mombach,M.A.; Domiciano,L.F.; Pereira,D.H.; Ferreira,A..
ABSTRACT The objective of this study is to verify the population density and the dynamics of tillering in the Marandu palisade grass sward subjected to nitrogen (N) fertilization strategies, characterized by the N supply via urea or bacterial inoculant (Azospirillum brasilense). The treatments comprised of four nitrogen fertilization strategies: (A) Without fertilization, (B) 80 kg N/ha, (C) inoculant (A. brasilense), and (D) 80 kg N/ha + inoculant, distributed in a randomized complete block design, with three replications. The nitrogen supply strategies were evaluated during six periods: October, November, and December (2012) as well as January, March, and April (2013). The nitrogen dose or inoculant had no effect on the tiller appearance rate (TAR),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diazotrophic bacteria; Nitrogen biological fixation (NBF); Stability index; Tillers; Urea.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000401039
Registros recuperados: 4
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