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Provedor de dados:  Arq. Bras. Med. Vet. Zootec.
País:  Brazil
Título:  Mortality on grower/finisher-only swine operations in the United States
Autores:  Losinger,W.C.
Bush,E.J.
Smith,M.A.
Corso,B.A.
Data:  1999-04-01
Ano:  1999
Palavras-chave:  Pig
Swine grower/finisher
Mortality
Animal health
Resumo:  For 53 grower/finisher-only swine operations that participated in the United States National Animal Health Monitoring System 1995 National Swine Study, mortality among finisher pigs ranged from 0 to 12.0% over a 6-month period. Twenty-six (49.1%) had <2% mortality, and 27 (50.9%) had >2% mortality. Nine (17.0%) operations experienced >4% mortality. Fisher's exact test revealed that operations with all-in all-out management were significantly more likely to have <2% mortality than operations with continuous management, and that operations where all finisher pigs came from farrowing units belonging to the operation (either on-site or off-site) were significantly more likely to have <2% mortality than operations where >1 grower/finisher pig came from another source. Larger operations (where >900 pigs entered the grower/finisher phase) practiced all-in, all-out management more frequently than smaller operations, and had a lower mean percent mortality than smaller operations. Diagnosis of Salmonella in finisher pigs performed at a laboratory or by a veterinarian in the 12 months prior to interview was associated with both increased percent mortality and increased percent mortality per day.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09351999000200003
Editor:  Universidade Federal de Minas Gerais, Escola de Veterinária
Relação:  10.1590/S0102-09351999000200003
Formato:  text/html
Fonte:  Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.51 n.2 1999
Direitos:  info:eu-repo/semantics/openAccess
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