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Journal of Biological Sciences

Year: 2010 | Volume: 10 | Issue: 1 | Page No.: 58-62
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Authors

M. Safaei Katouli

F. Boldaji

B. Dastar

S. Hassani

Keywords

Research Article

Effect of Different Levels of Kaolin, Bentonite and Zeolite on Broilers Performance

M. Safaei Katouli, F. Boldaji, B. Dastar and S. Hassani
An experiment was conducted to study the effects of different levels of kaolin, bentonite and zeolite on broiler performance in 6 weeks. Four hundred and forty eight day-old broilers of male Ross 308 strain were allocated to 7 treatments with four replications and 16 broilers in each. The experiment was carried out in a completely randomized design. Treatments were control and 1.5, 3% of kaolin, bentonite and zeolite. Treatments with 3% zeolite and bentonite was significantly (p<0.05) increased weight gain during the 1st and 6th weeks, 1.5% kaolin and zeolite, significantly (p<0.05) increased weight gain in 5th and 6th weeks compared to the control, respectively. Treatments 1.5% bentonite in 4th and 5th weeks and 1.5% zeolite and 3% bentonite in 5th week was significantly (p<0.05) increased feed intake compared to the control. Feed conversion ratio in diets with 3% kaolin in the 1st and 2nd weeks and 3% zeolite in the 1st week was significantly (p<0.05) improved compared to the control. There was no significant (p>0.05) differences in internal organs and fecal pH between trial groups and control. Fecal moisture in treatments with 1.5% kaolin, 3% bentonite and zeolite was significantly (p<0.05) different from control. Growth rate in treats containing 3% kaolin at 0-3 week and 1.5% zeolite, 1.5% kaolin and 3% kaolin, bentonite and zeolite at 0-6 week was more than control (p<0.05). The results demonstrated that adding silicate minerals in diet, improve performance of broiler chickens.
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Comments

soheil safari Reply

very good article, and have new research field , thanks authors

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