Comparison of Curimba semen (Prochilodus lineatus) induced by pituitary extract from chicken, rabbit or carp
Keywords:Aquaculture, Spermatic evaluated, Hypophysis, Hormones induced
AbstractForty eight curimba (Prochilodus lineatus) were selected and hipophysed with broiler chicken hypophysis extract (BCHE), rabbit hypophysis extract (RHE) or carp hypophysis extract (CHE) as a control. The animals were randomly induced with treatments arranged in one factorial of three hormones and three weeks. Animals treated with BCHE, CHE and RHE produced an average of 0.65, 0.45 and 0.20 mL of semen, respectively. Therefore, difference (P;0.05) when compared with males induced with BCHE. Prochilodus lineatus induced with BCHE showed higher progressive spermatic motility (P;0.05) of animals treated with CHE or BCHE. Animals treated with BCHE, RHE or CHE had same spermatic vigor (P>;0.05), with an average of 2.75 points. According to these results it is possible to concluded that BCHE showed the same efficiency or it was even better than traditional CHE when used to induced males. However, more research effort with RHE is necessary, particulary with older animals hypophysis.
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