Resposta reprodutiva em éguas crioulas tratadas com acetato de deslorelina
Palavras-chave:
Éguas crioulas, acetato de deslorelina, folículos hemorrágicos anovulatóriosResumo
O efeito do acetato de deslorelina na resposta reprodutiva foi avaliado em éguas crioulas no Estado de Michoacán. Dez éguas foram tratadas intramuscularmente e distribuídas em um grupo controle (GC; n=5) 1 ml de água destilada como placebo e o grupo experimental (GD; n=5) 1,5 mg de acetato de deslorelina. Quando o folículo alcançou 35 mm de diâmetro, as éguas foram tratadas de acordo com o grupo designado. A atividade ovariana era monitorada a cada 24 h, e a incidência (%) de folículos hemorrágicos anovulatórios (FHAs), taxa de ovulação (%), crescimento folicular por dia (mm), diâmetro folicular na ovulação (mm), e tempo para ovulação (h) eram determinados. A incidência de FHA foi maior (X2=3,83) em CG do que em GD (25,58% vs. 5,8%, respectivamente). A taxa de ovulação foi maior (X2= 4,76) em GD do que em GC (94,11% vs. 74,41%, respectivamente). A administração hormonal não afetou (p>0,05) o crescimento folicular por dia ou diâmetro folicular, mas a ovulação ocorreu (p<0,01) a 39,45±2,95 h e 89,47±3,62 h em GD e GC, respectivamente. O acetato de deslorelina reduziu a incidência de FHAs e aumentou a taxa de ovulação.
http://dx.doi.org/10.21929/abavet2021.43
e2021-64.
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