Establishment of rumen ciliate protozoa in calves fed diets with protein from different sources of soybean

Authors

  • Edison Valvasori Instituto de Zootecnia, Divisão de Zootecnia de Bovinos Leiteiros, Seção de Criação e Manejo do Gado Leiteiro, Nova Odessa, SP
  • José Carlos Machado Nogueira Filho Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Pirassununga, SP
  • Maria Ely Miserochi de Oliveira Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Pirassununga, SP
  • Carlos de Sousa Lucci Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Pirassununga, SP
  • Juliana Rodrigues Pozzi Arcaro Instituto de Zootecnia, Divisão Técnica Básica e Auxiliar, Seção de Reprodução e Inseminação Artificial, Nova Odessa, SP

Keywords:

feed, calf, ciliate protozoa, toasted soybean, degradation

Abstract

Eighteen Holstein calves were placed in a complete randomized design to evaluate the protozoa population in the rumen under different diets: A) soybean oil meal, B) toasted soybean and C) raw soybean, as protein. Milk was fed up to 49 days old and solid feed after the 16th day. Samples of rumen liquor were collected at 12, 47, 82 and 105 days old, through stomach tube. Results showed that at 7 weeks old the Entodinium sp was the 1rst population to establish. It was also the genera that presented the highest number of individuals. Other genera observed were: Diplodinium, Epdinium, isotricha and Dasytricha. Treatment C (raw soybean) presented the highest concentration of rumen protozoa. The lower number of protozoa in samples of treatment B, related to C, showed that in feed processing, temperature probably provided protection against rumen degradation.

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Published

2014-01-14

Issue

Section

FORAGE CROPS AND PASTURES

How to Cite

Establishment of rumen ciliate protozoa in calves fed diets with protein from different sources of soybean. (2014). Bulletin of Animal Husbandry, 49(2), 113-117. http://bia.iz.sp.gov.br/index.php/bia/article/view/854

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