Efeito da somatotropina recombinante bovina (rbST) no perfil plasmático da progesterona, estradiol, hormônio do crescimento e IGF-1 de fêmeas bovinas / Effect of recombinant bovine somatotropin (rbST) on the plasma levels of progesterone, estradiol, growth hormone and IGF-1 of females bovines
R. bras. Reprod. Anim.
; 40(4): 243-245, Out-Dez. 2016. graf
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ABSTRACT
This study aimed to evaluate the effect of recombinant bovine somatotropin on the plasma levels ofprogesterone, estradiol, growth hormone and IGF-1. 8 cows Girolando were divided into three groups control,250 mg rbST and 500 mg rbST. Blood samples were collected 60 days prior to aspiration, in 12-day intervals,with the samples taken on the same days of rbST applications. For hormone measurements, ELISA commercialkits were used. The hormone concentrations were subjected to the normal pattern Cramer-von Mises and foraverage of comparison, the test Student-Newman-Keuls (SNK) was used, with 5% probability. It was notpossible to measure the plasma concentration of GH hormone. The rbST administration had no effect on plasmaconcentrations of progesterone, estradiol and IGF-1 among the groups treated with 250 mg and 500 mg and theuntreated group, there was also no significant variance between the days of application and OPUs.(AU)
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R. bras. Reprod. Anim.
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Rev. bras. reprod. anim
Ano de publicação:
2016
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Article
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Congress and conference