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Use of metaphylactic protocols based on the risk to develop bovine respiratory diseases in feedlot cattle Ciência Rural
Magalhães,Layane Queiroz; Baptista,Anderson Lopes; Fonseca,Pedro de Almeida; Menezes,Guilherme Lobato; Nogueira,Geison Morel; Headley,Selwyn Arlington; Fritzen,Juliana Torres Tomazi; Alfieri,Amauri Alcindo; Saut,João Paulo Elsen.
ABSTRACT: Bovine respiratory diseases (BRD) affect production rates negatively because it compromise health and well-being of the affected animal. The hypothesis of this study was that the use of metaphylactic protocols based on the risk to develop BRD would reduce morbidity and pulmonary lesions. For this purpose, the aims of this study were to evaluate the effect of two metaphylactic protocols on the morbidity of feedlot cattle with a known sanitary history, occurrence of pulmonary lesions at slaughter, and the possible participation of Mannheimia haemolytica, Histophilus somni, Bovine alphaherpesvirus 1 (BoHV-1) and bovine respiratory syncytial virus (BRSV) in the development of BRD. An experimental study was designed in which 3,094 adult, male, cattle,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Histophilus somni; Mannheimia haemolytica; Pulmonary lesions.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000800454
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