Effects of Nano-Selenium Supplementation on Productive Performance of Ross 308 Broiler Chickens

• Sura khalid Obeid Majid Muhson S.

  Author

This experiment was carried out at the field of the Department of Animal Production, College of Agriculture/University of Kufa for 35 days, starting from 10/28 until 12/1/2025. 135 unsexed broiler chicks  (Ross 308), were distributed into three treatments with three replicates for each with 45 chicks per replicate.  Fed and water  were provided ad-libitum in the three standard diets with the addition of Nano-selenium  according to the ratios of 0.0 for the first treatment, 0.07 for the second treatment, and 0.15 for the third treatment,  and the lighting program was used for 24 hours. To improve the average productive performance including weight gain and live body weight.  analysis showed a significant increase for the third treatment in average live body weight (1227.7 and 1816.7 gm, respectively) during the fourth and fifth weeks of rearing. The third treatment also showed a significant increase in average weight gain (589 and 594.4 gm, respectively) during the fourth and fifth weeks of rearing. This study concluded that adding Nano-selenium at these  levels can improve the productive performance of broiler (Ross308) .

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