Supplementation of Nellore young bulls on Marandu grass pastures in the dry period of the year

[摘要] The objective of this study was to evaluate performance and daytime ingestive behavior of 84 Nellore young bulls in the post-weaning phase kept on Brachiaria brizantha cv. Marandu pastures during the dry season. Treatments were protein mineral supplementation (1 g/kg body weight) and protein+energy mineral supplementation (3 g/kg body weight). The experimental area comprised 12 paddocks in a total area of 27.36 ha, divided in two blocks of six paddocks each, having three replications per treatment in each block, with 42 animals/treatment. The data were subjected to variance analysis with repeated measures over time via procedure PROCMIXED of SAS (Statistical Analysis System, version 9.0) and means were compared by the Tu

[学科分类] 兽医学

[关键词] animal performance;Brachiaria brizantha;post-weaning phase    Introduction Weaning is the moment of permanent separation between mother and offspring;causing a period of stress for both;from the productive viewpoint