title: Effect of stocking rates and anthelminthic treatments on weight gains in weaned Nellore cattle on improved pasture in the Brazilian cerrado.
abstract: The results are presented of 6 years of field trials with weaned Nellore cattle on improved pasture in the midwest of Brazil, using 2 stocking rates and 4 anthelminthic treatment regimes. The most profitable regime included treatments in May, June and September, which yielded an additional 41 and 42 kg of liveweight on the 2 stocking rates. No significant additional gains were obtained by treating during the rainy season, or by treating animals more than 24 months of age. The higher stocking rate (1.8 AU/ha) proved excessive on the improved pasture which deteriorated during the 6 year experimental period, yielding suboptimal liveweight gains.
authors.affiliation: EMBRAPA-Centro Nacional de Pesquisa de Gado de Corte (CNPGC), Mato Grosso do Sul, Brazil.
authors.forename: I
authors.initials: I
authors.lastname: Bianchin
authors.forename: M R
authors.initials: MR
authors.lastname: Honer
authors.forename: S G
authors.initials: SG
authors.lastname: Nunes
authors.forename: Y A
authors.initials: YA
authors.lastname: do Nascimento
mesh_terms: D000822:Animal Husbandry / Q000379:methods*; D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use*; D001835:Body Weight; D001938:Brazil; D002417:Cattle / Q000254:growth & development*; D002418:Cattle Diseases / Q000188:drug therapy* / Q000503:physiopathology; D006373:Helminthiasis / Q000188:drug therapy / Q000503:physiopathology; D006374:Helminthiasis, Animal
chemical_list: D000871:Anthelmintics