Freqüência do gene Miostatina (GDF-8) em rebanhos brasileiros da raça Marchigiana

  • Teixeira C
  • Oliveira D
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Abstract

Identificou-se e determinou-se a freqüência do gene miostatina (GDF-8) normal e mutante em rebanhos Marchigiana, em 377 bovinos da raça Marchigiana, criados nos estados de São Paulo e Paraná. Identificaram-se 37,9% de animais normais, 55,2% de portadores e 6,9% homozigotos afetados para musculatura dupla. Estes resultados indicam que os criadores têm interesse na característica musculatura dupla, promovendo, ainda que aleatoriamente, selecão a favor da mutação.The frequency of the normal myostatin gene (GDF-8) and the mutant allele in Marchigiana herds was detected. Three hundred and seventy-seven animals of Marchigiana breed raised in São Paulo and Paraná States, Brazil, were tested. The results showed that 37.9% were homozygous normal animals, 55.2% heterozygous and 6.9% homozygous double muscling. The results suggest the interest of the breeders in having interest in the character double muscling, randomly promoting, the selection in favor of the mutation.

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APA

Teixeira, C. S., & Oliveira, D. A. A. (2007). Freqüência do gene Miostatina (GDF-8) em rebanhos brasileiros da raça Marchigiana. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 59(3), 805–809. https://doi.org/10.1590/s0102-09352007000300036

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