Useful Repercussions on 10 and 12-Week Marketing Body Weights of Laying Ducks with Early Index Selection on Body Weights and Linear Measurements

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Response to selection and genetic parameters of body and carcass weights in Japanese quail selected for 4-week body weight.

The current study was conducted to investigate the effect of short-term selection in Japanese quail for 4-wk BW and estimate genetic parameters of BW, carcass traits, and egg weight. A selected line and control line were randomly selected from a base population. In each generation, 39 sires and 78 dams were used as parents for the next generation. Data were collected over 2 consecutive hatches ...

متن کامل

Prediction of birth weights from body weights of newborns.

OBJECTIVE To evaluate the accuracy of prediction of birth weights from body weights of newborns till six days after birth. DESIGN Prospective follow-up. SETTING Four villages near Hyderabad. METHODS Weights of 47 newborns were recorded daily from the day of birth for seven days. The birth weights were regressed on the weights of the babies taken on the 2nd day to the 7th day. Specificity ...

متن کامل

a study of the effect of individual and family selection on the increase body and breast weights in japanese quail

the current study was conducted to investigate the effect of short-term selection in japanese quail for its 4-week body and breast weights. two selected lines, one for selection of body weight based upon in. breeding values (line 1) and another for breast weight based on between family selections (line 2) were randomly selected from a base population. in each generation, 39 sire and 78 dam-bird...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Animal and Poultry Production

سال: 2017

ISSN: 2090-3723

DOI: 10.21608/jappmu.2017.45897