Supplementation with protected fat to manage gastro-intestinal nematode infections in Santa Ines sheep

Autores

  • Vivian Alves Costa Afonso Centro Paula Souza
  • Ricardo Lopes Dias Costa Instituto de Zootecnia/APTA/SAA
  • Cecílio Viega Soares Filho Unesp Araçatuba
  • Eduardo Antonio da Cunha Instituto de Zootecnia
  • Silvia Helena Venturoli Perri Unesp Araçatuba
  • Fábio Luiz Bonello Faculdade de Ciências Agrárias de Andradina

DOI:

https://doi.org/10.5433/1679-0359.2013v34n3p1227

Palavras-chave:

Polyunsaturated fatty acids, Nutrition, Sheep, Haemonchus.

Resumo

This experiment aimed to determine the influence of supplementation with protected fat on nematode infections in periparturient sheep or sheep in their final stage of pregnancy. Fifty Santa Ines ewes received 200 g of concentrate/animal/day, mineral salt and water and were grouped according to their weight, hematocrit and the number of eggs per gram of feces (EPG). Two diets were used: a control treatment and a treatment consisting of supplementation with 30 g/animal/day of protected fat in the concentrate. Three monthly evaluations were performed over a total of 84 days of testing. The variables analyzed were weight, body condition, EPG and coprocultures; blood tests were performed for the determination of packed cell volume, hemoglobin concentration and total plasma protein, and leukograms and eosinophil counts were performed. For weight and hemoglobin concentrations, interactions were observed between diet and collection date (P<0.05); body condition, total plasma protein, packed cell volume and total leukocytes did not differ statistically among treatments (P> 0. 05) but did differ by collection day (P <0.05). The EPG and eosinophil counts did not differ statistically by either diet or collection date (P>0.05). The genus Haemonchus was predominant, followed by the genera Cooperia, Trichostrongylus and Oesophagostomum. The protected fat did not decrease EPG and did not improve the blood parameters of infected sheep.

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Biografia do Autor

Vivian Alves Costa Afonso, Centro Paula Souza

Profª do Centro Paula Souza, Rio das Pedras, SP.

Ricardo Lopes Dias Costa, Instituto de Zootecnia/APTA/SAA

Pesquisador Científico, Instituto de Zootecnia, IZ/APTA/SAA, R. Heitor Penteado, 56, CEP 13460-000, Nova Odessa, SP.

Cecílio Viega Soares Filho, Unesp Araçatuba

Prof. Assistente Dr. do Deptº de Apoio, Produção e Saúde Animal, Curso de Medicina Veterinária, UNESP/FOA, Araçatuba, 16050-680, Araçatuba, SP.

Eduardo Antonio da Cunha, Instituto de Zootecnia

Pesquisador Científico, Instituto de Zootecnia, IZ/APTA/SAA, R. Heitor Penteado, 56, CEP 13460-000, Nova Odessa, SP.

Silvia Helena Venturoli Perri, Unesp Araçatuba

Profª Assistente Drª do Deptº de Apoio, Produção e Saúde Animal, Curso de Medicina Veterinária, UNESP/FOA, Araçatuba, 16050-680, Araçatuba, SP.

Fábio Luiz Bonello, Faculdade de Ciências Agrárias de Andradina

Médico Veterinário, M.e. em Ciência Animal, R. Capitão Bernardes, 857, CEP: 13480-790, Limeira, SP.

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Publicado

2013-06-24

Como Citar

Afonso, V. A. C., Costa, R. L. D., Soares Filho, C. V., Cunha, E. A. da, Perri, S. H. V., & Bonello, F. L. (2013). Supplementation with protected fat to manage gastro-intestinal nematode infections in Santa Ines sheep. Semina: Ciências Agrárias, 34(3), 1227–1238. https://doi.org/10.5433/1679-0359.2013v34n3p1227

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