INCIDENCE OF Boophilus microplus AND BLOOD PARAMETERS IN CROSSBRED STEERS FED OF SUNFLOWER

Authors

  • Geisa Fleury Orsine UFG
  • Euclides Reuter de Oliveira CAPES/PRODOC
  • Lígia Miranda Ferreira Borges
  • Reginaldo Nassar Ferreira UFG
  • Dirson Vieira UFG
  • Rogério de Carvalho Ramos
  • Sérgio Luíz S. Rezende
  • Nívia Faria Silva
  • Ediane Batista da Silva

DOI:

https://doi.org/10.5216/cab.v8i2.1340

Abstract

This experiment aimed to evaluate the efficacy of sunflower meal and sunflower seeds to control Boophilus microplus in naturally infested steers. The experiment was developed in the Dairy Cattle Facilities of the Veterinary College - UFG. Two herds of steers (Holstein x zebu) were allotted in a randomized block design in 2x10 factorial arrangement with six repetitions on Brachiaria decumbens pastures. After 14 days, weekly for two months, B. microplus females > 4 mm were counted, blood samples were collected and the animals were weighed. The B. microplus engorged females were collected to evaluate reproductive parameters. Blood samples were processed to determine: hematocrit, total protein, fibrinogen and leukocytes. The results had been submitted to the analysis of variance and the averages compared for the Scott-Knott test (5%). Tick counts, index (%), larval eclosion, hematocrit, total protein, fibrinogen and leukocytes were similar between treatments. The results do not corroborate the empirical reports concerning the effectiveness of the sunflower to control B. microplus in crossbred steers. KEY-WORDS: Blood values, oily seeds, parasites, tick count.

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Published

2007-07-04

How to Cite

ORSINE, G. F.; OLIVEIRA, E. R. de; BORGES, L. M. F.; FERREIRA, R. N.; VIEIRA, D.; RAMOS, R. de C.; REZENDE, S. L. S.; SILVA, N. F.; SILVA, E. B. da. INCIDENCE OF Boophilus microplus AND BLOOD PARAMETERS IN CROSSBRED STEERS FED OF SUNFLOWER. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 8, n. 2, p. 177–185, 2007. DOI: 10.5216/cab.v8i2.1340. Disponível em: https://revistas.ufg.br/vet/article/view/1340. Acesso em: 23 nov. 2024.

Issue

Vol. 8 No. 2 (2007)

Section

Animal Production

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