Use of Kopal broiler chicken supplement in Yazd: under the supervision of Dr. Jandaghian
Performance specifications:
Study bird: broiler
Venue: Yazd – Mr. Hosseini’s broiler farm
Length of breeding period: 50 days
The number of examined chickens: 20,000 pieces, (10,000 control pieces).
The percentage of supplement use: 0.5 percent
Summary of results:

Casualties: 4% less casualties

Weight gain: 100 grams more weight gain
