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Title: | Economic evaluation and efficacy of strategic-selective treatment of gastrointestinal parasites in dairy calves |
Other Titles: | Avaliação econômica e eficácia do tratamento estratégico-seletivo de parasitos gastrointestinais em bezerras leiteiras |
Keywords: | Gastrointestinal nematodes Eimeria Giardia Nematóides gastrintestinais |
Issue Date: | Apr-2017 |
Publisher: | Colégio Brasileiro de Parasitologia Veterinária |
Citation: | BIANCO, Y. A. C. et al. Economic evaluation and efficacy of strategic-selective treatment of gastrointestinal parasites in dairy calves. Revista Brasileira de Parasitologia Veterinária, Jaboticabal, v. 26, n. 2, p. 123-128, Apr./June 2017. |
Abstract: | In the Experimental Farm of the Universidade Federal de Lavras (EF-UFLA), state of Minas Gerais, Brazil, on their day of birth, female Holstein calves were randomly selected and placed into two groups containing fifteen animals each: Strategic-Selective Treatment (S-ST) or Conventional Treatment (CT). In the S-ST, calves were treated after coproparasitological examinations according to criteria established previously by the researchers. Calves in the CT were treated according to the opinion of the veterinarian of EF-UFLA. For statistical analysis, the frequency (%) of fecal samples with count of eggs per gram of feces (EPG) ≥300, count of oocysts per gram of feces (OoPG) ≥500 and fecal samples with count of cysts of Giardia spp. ≥1 were conducted. The overall average frequency of fecal samples with EPG ≥300, OoPG ≥500 and Giardia spp. cysts ≥1, respectively, was similar (p >0.05) between S-ST (20.3%; 17.3%; and 31.5%) and CT (26.4%; 23.9%; and 37.3%). The effective operational cost, per animal, in 12 months, was of R$ 784.58 (US$ 241.41) and R$ 83.90 (US$ 25.81) in S-ST and CT, respectively. The S-ST requires adjustments to be used as a technically efficient and economically viable alternative for the control of gastrointestinal parasitosis in female Holstein calves. |
URI: | http://repositorio.ufla.br/jspui/handle/1/57494 |
Appears in Collections: | DMV - Artigos publicados em periódicos |
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