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Effect of egg incubation temperature on hatching chicks’ characteristics | ||
| Al-Kunooze Scientific Journal | ||
| Volume 11, Issue 4, October 2025, Pages 28-34 PDF (397.3 K) | ||
| Document Type: Original Article | ||
| Author | ||
| Jaza A Mohammed , Shwan S. Abdalla , Shokhan M. Ali, et al | ||
| Abstract | ||
| The experiment was conducted in the hatchery of the Animal Production Department of the Directorate of Agricultural Research in Slemani during the period from 1/10/2022 to 1/12/2022. 300 fertilized eggs of local Kurdish chicken (12, 13) were used in the experiment and were divided into three groups so that their weight and dimensions were not significantly different between the experimental treatments. The experiment was divided into three treatments, where the eggs of the first treatment were incubated at a temperature of 37.7 °C, while the eggs of the second treatment were incubated at a temperature of 38 °C, and the eggs of the last treatment were incubated at a temperature of 36 °C. After hatching the eggs, the chicks were sexed, and the mortality rate and quality of the chicks were calculated. There were no significant differences between the treatments used in the percentage of live and dead chicks. , as it was found that there were no significant differences in the percentage of chicks with dry and wet between the treatments used. It was found that there were significant differences between the treatments in the sex ratio of chicks. The percentage of male and female chicks in the first treatment was 23.1% and 14.8%, respectively. As for the second treatment, the percentage of males and females was 24.7% and 7.7%, respectively. In the third treatment, the percentage of males and females was 15.9% and 13.7%, respectively. It does conclude that increasing or decreasing the incubation temperature affected the chick sex, and did not affect the hatchability percentage and the chick quality. More studies are needed to find the effect of incubation temperature on chick sex to use it as a method for sexing chicks. | ||
| Keywords | ||
| Egg; chicks; temperature; sex; mortality | ||
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