perdas econômicas ocasionadas pelas enfermidades podais em vacas leiteiras confinadas em sistema free stall economic losses caused by sequels of lameness in free-stall-housed dairy cows

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ID: 191035
2006
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Abstract
Avaliaram-se 55 casos clínicos de manqueira em um rebanho de 100 vacas em lactação confinadas em sistema de free stall, durante um ano. As afecções mais observadas foram abscessos de sola e talão, úlcera de sola e dermatite digital que representaram 87,3% (48/55) das ocorrências. O tratamento empregado mostrou-se satisfatório com recuperação de todos os animais tratados com 24,5 dias, em média, sem ocorrência de descarte. O custo com tratamento e redução na produção de leite foi de US$95.80/vaca, o que representou US$52.69 por vaca alojada/ano. Quando se computaram as perdas reprodutivas e com mastite, obtiveram-se US$227.94 adicionais em vaca com problema de manqueira. O custo adicional anual total no rebanho decorrente de seqüelas de manqueira foi de US$12,536.70, que representou US$125.36 por vaca alojada/ano. O período de serviço e o número de serviços por concepção em vacas com problemas de manqueira e normais foram 266 e 200,5 dias e 4,3 e 3,3 serviços, respectivamente. As incidências de mastite e metrite na mesma ordem de citação anterior foram 60% e 25% e 29% e 12,5%.
Fifty-five clinical cases of lameness were evaluated in 100 lactating cows housed in a free-stall system during one year. The most observed affections were sole and heel abscesses, sole ulcers and digital dermatitis that accounted for 87.3% (48/55) of the occurrences. The treated cows showed satisfactory recovery (24.5 average days) without culling. The total individual cost including treatment and reduction of milk production was US$95.80/cow or US$52.69 per housed cow/year. When reproductive losses and mastitis were considered an additional cost of US$227.94 per lameness cow was estimated. The total additional annual cost from sequels of lameness was US$12.536.70 or US$152.36 per housed cow/year. The number of days open and the number of services per conception in lameness and normal cows were, respectively, 266 and 200.5 days and 4.3 and 3.3 services. Mastitis and metritis incidences, regarding the same animals, were, respectively, 60% and 25% and 29% and 12.5%.
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Authors ;R.C. Souza;P.M. Ferreira;L.R. Molina;A.U. Carvalho;E.J. Facury Filho
Journal Environmental research
Year 2006
DOI
10.1590/S0102-09352006000600002
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352006000600002
Keywords
dairy cow

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