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Combined use of ionophore and virginiamycin for finishing Nellore steers fed high concentrate diets. Zebu cattle fed high concentrate diets may present inconsistent performance due to the occurrence of metabolic disorders, like acidosis. Repository: BDPA Publication year: 2013
Performance and carcass traits of crossbred cattle raised in pastures supplemented or not with virginiamycin. he aim of this study was to assess performance and carcass traits of crossbred cattle raised grazing tropical grasses, receiving supplement with or without virginiamycin (VM). Steers (n = 49) and heif... ... Repository: BDPA Publication year: 2016
Intake, apparent digestibility, and methane emission in bulls receiving a feed supplement of monensin, virginiamycin, or a combination. The aim of this study was to evaluate the effects of the feed supplements monensin, virginiamycin, or a combination of the two, on intake, digestibility, and methane emission in the male cattle breed... ... Repository: BDPA Publication year: 2015
Effects of high intake supplementation containing differents additives on ruminal fermentation of grazing cattle during the dry season. Effects of high intake supplementation containing different additives on ruminal ammonia nitrogen (RAN) concentration and pH were evaluated in Nelore bulls grazing during dry season. Four Nelore bulls... ... Repository: BDPA Publication year: 2018
Behaviour of grazing bulls during the dry season receiving high intake supplementation containing differents additives. The objective was to evaluate the effects of high intake supplementation containing different additives on behavior of Nelore bulls grazing during dry season. Four Nelore bulls (425 ± 79.3 kg body wei... ... Repository: BDPA Publication year: 2018
Liver parameters of beef cattle intensively grazed and supplemented with non-antibiotic additives as a substitute for antibiotics. The inclusion of high doses of concentrate in the diet of cattle promotes changes in metabolic activity, as well as in the organs. However, this high activity can lead to hepatic alterations, due to t... ... Repository: BDPA Publication year: 2021
Productive performance of breeding nelore cows, under mineral supplementation with virginamycin as an additive. Protein-energy supplementation of beef cows has been scarcely applied in Brazil. However, the use of ruminant fermentation modulating additives has become a viable alternative in the Supplementation o... ... Repository: BDPA Publication year: 2017
Production performance of nelore calves under mineral supplementation with virginamycin as an additive. Supplementation with the use of additives for 3 to 4-month old calves can increase their productive performance, due to alterations that occur in the gastrointestinal tract and the decrease in cow mil... ... Repository: BDPA Publication year: 2017
Milk production of nelore cows under mineral supplementation with virginamycin as an additive. The milk production of beef cows has a direct influence on the weight gain of their calves. The use of supplements that can increase milk production of beef cows has been studied in recent years, aimi... ... Repository: BDPA Publication year: 2017
In vitro activity of different antimicrobials on amino acid deamination in ruminal fluid from dairy cows fed corn silage or corn silage/concentrate diets. For many decades, antimicrobials have been used in livestock diets as growth-promoting agents (Berchielli, 2011). Monensin, an ionophore antibiotic frequently fed to cattle herds, has shown activity a... ... Repository: BDPA Publication year: 2015

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