تأثير حقن هرمون PMSG في مستوى بعض الهرمونات الجنسية و وزن البيض و عدده لطيور السمان الياباني المسنة (Coturnix japonica)‎

Abstract EN

The present study was conducted at Agriculture and Experimental Research station-Agriculture College-Basrah University.

during the period from 19/10–to 19/12/2012 .to investigate the effect of PMSG administration on some sexual hormones and weight and numeral of eggs of aged Japanese quail (Coturnix japonica).

One hundred and eight, 10 months old birds of Japanese quail were divided into 3 treatment groups with 3 replicates (6 females and 6 males in each replicate) .

birds of 1st group were injected once with 100 IU while 2nd group were given 50 IU / bird and 3rd group was considered as control (without injection), The results shows a significant increase (P < 0.05) of weight and numeral of product eggs from females of groups (50 ,100 IU PMSG) injected compared with control groups.

There was a significant increase in testosterone, estrogen and thyroxin concentration in the blood serum of birds (50, 100 IU PMSG) injected compared with with control groups.

In addition superiority of males to females in testosterone concentration and superiority of females to males in estrogen concentration.

There was no significant in thyroxin concentration in the blood serum between males and females, the result show require relevance between all study traits.

In conclusion PMSG hormone is activate for aged quail gonad if it given 50,100 IU.