Replacing Sunflower Oil with Rice Bran Oil in Laying Hens' Diets and Its Effect on Egg Production Traits

Mohamad, Dabin Qadir; Bahadin, Mohamad Sabah; Amin, Qana Husain

doi:10.58928/ku25.16410

	Replacing Sunflower Oil with Rice Bran Oil in Laying Hens' Diets and Its Effect on Egg Production Traits
Kirkuk University Journal for Agricultural Sciences (KUJAS)
Volume 16, Issue 4, December 2025, Pages 82-87 PDF (352.92 K)
Document Type: Research Paper
DOI: 10.58928/ku25.16410
Authors
Dabin Qadir Mohamad^* ¹; mohamad sabah bahadin²; qana husain amin²
¹UNIVERSITY IN KIRKUK
²University of Kirkuk, College of Agriculture
Abstract
This experiment is focused on evaluating the effect of replacing sunflower oil with rice bran oil at different levels on the qualitative and organoleptic qualities of eggs in laying hens. In this experiment, 120 Lohmann's laying hens were used and received at the age of 86 weeks. The chickens were raised in four-story battery cages and randomly distributed over six transactions with five repetitions per transaction and four chickens per repeater. The first treatment: control (the main Bush), the second treatment: replacing 20% of rice bran oil with sunflower oil, the third treatment: replacing 40% of rice bran oil with sunflower oil, the fourth treatment: replacing 60% of rice bran oil with sunflower oil, the fifth treatment: replacing 80% of rice bran oil with sunflower oil, the sixth treatment: replacing 100% of rice bran oil with sunflower oil. And 120 g of feed was provided for each bird. The results of this study showed that the addition of rice bran oil to laying hens did not lead to significant differences between the coefficients in terms of egg shell thickness and shell ratio. As for the zero index, the second treatment was significantly superior (P≤0.05) compared to the first and sixth. As for the Ho unit, the second, third, fifth and sixth transactions did not show any significant differences compared to the control transaction, while the fourth transaction recorded a significant decrease at a level.(P≤0.05) with regard to the weight of the yolks, no significant differences were observed between the coefficients. As for the whiteness, the fifth treatment recorded a moral superiority (P≤0.05) over the sixth treatment. There were no differences in the first and second sensory assessment of whites.
Keywords
Egg production; Laying hens; Rice bran oil; sunflower oil; Poultry nutrition

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