Social and Behavioral Sciences Commons^™

Effect Of Adding Different Levels Of Oregano Leaves Extract (Origanum Vulgare) In Drinking Water On The Quality Characteristics Of The Carcass Of Broiler Chickens, Nihad Ali, Motasem Al Massad

Jerash for Research and Studies Journal مجلة جرش للبحوث والدراسات

The field Animal Production Department (College of Agriculture / Al-Qasim Green University) was chosen to conduct the project from 18/9/2019 to 23/10/2019. In it 240 chicks of Ross 308 were used. The chicks were randomly divided into four experimental trials. The leaves extracted suspension was added at 0, 3, 5 and 7 ml/liter to drinking water, and the following characteristics were studied: live body weight before slaughter and the weight of the carcass , dressing rate, the relative weights of the main and secondary carcass parts, and the relative weights of the eating giblets.

The results showed that the fourth …