February 2014

Effect of substituting fish meal with poultry by-products meal in broiler diet on nitrogen excretion and litter characteristics

This study was carried out to investigate the effects of dietary replacment of fish meal (FM) with poultry by-product meal (PBM) at 0, 25, 50, 75 and 100% using 360 one day-old Arian broiler chicken. The mean weight gain, feed intake and feed conversion ratio were significantly decreased in the birds fed on diets containing greater levels of PBM as compared to the control birds during 1 to 21 days of age (P<0.01)....

Author(s): Heshmatollah Khosravinia, Arash Azarfar and Ali Sokhtehzary

February 2014

Reproductive and productive performance of Kereyu Sanga cattle in Fentalle District of Oromia Region, Ethiopia

This study was carried out to generate information on some productive and reproductive performance of Kereyu Sanga cattle in their home tract. The data was collected through questionnaire from 114 Kereyu Sanga cattle owners. Fifty four third parity lactating Kereyu Sanga cows were randomly selected for milk yield measurement. According to the respondents, the mean age at puberty, age at first calving, lactation length...

Author(s): Shiferaw Garoma