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Economic viability of the use of crude glycerin supplements in diets for grazing crossbred calves R. Bras. Zootec.
Almeida,Vitor Visintin Silva de; Silva,Robério Rodrigues; Queiroz,Augusto César de; Oliveira,Aline Cardoso; Silva,Fabiano Ferreira da; Abreu Filho,George; Lisboa,Mateus de Melo; Souza,Sinvaldo Oliveira de.
The objective of this study was to evaluate the economic returns of crossbred calves grazing on pastures formed by Urochloa brizantha fed crude glycerin as a supplement. Thirty-six crossbred calves with initial average weight of 301.5 kg were distributed in a completely randomized design with four treatments and nine replicates per treatment. The animals were maintained on rotational grazing production of Urochloa brizantha cv. Marandu. The tested treatments were 0.0, 3.33, 6.66 and 9.99% inclusion of crude glycerin in the total dry matter as a substitute for corn. The production of meat was not altered by the inclusion of glycerin in the diet. The inclusion of glycerin caused a reduction of up to 14.93% in the price of the concentrate. There was a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Biodiesel; Byproducts; Weight gain.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000700382
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Physicochemical characterization and lipid profile of meat from crossbred Ciência Rural
Pimentel,Leidiane Reis; Silva,Fabiano Ferreira da; Silva,Robério Rodrigues; Rocha,Wéder Jânsen Barbosa; Souza,Sinvaldo Oliveira de; Costa,Edvaldo Nascimento; Costa,Evely Giovanna Leite.
ABSTRACT: The aim of this study was to evaluate the carcass characteristics and the physicochemical parameters, centesimal composition, and fatty acid profile of the longissimus lumborum muscle of crossbred steers on a Brachiaria (Syn. Uruchloa) brizantha cv. Marandu pasture during the growing and finishing phases. Twenty-two uncastrated steers ½ Holstein/Zebu, with an average initial weight of 210 kg ± 8.2 kg and eight months of age, were distributed in a completely randomized design, in which the experimental period was fractionated in to three seasons associated with two nutritional plans (NP1 and NP2) and 11 animals by treatment: NP1- mineral mixture ad libitum in rainy seasons + nitrogen/energy supplement at 1 g.kg-1 body weight (BW) in the dry...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Loin-eye area; Mineral mixture; Nutritional plan; Saturated fatty acids.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001100702
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