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Effects of Feed Supplemented with Different Concentrations of Roselle<br />

(Hibiscus sabdariffa L.) Waste on the Postharvest Quality of Broiler<br />

Chicken (Gallus gallus sp.)<br />

Amrina Rashyda binti Mohamed Aslam<br />

Supervisor: Dr. Fauziah binti Tufail Ahmad<br />

Bachelor of Science Agrotechnology (Postharvest Technology)<br />

School of Food Science and Technology<br />

The effect of feeding roselle (Hibiscus sabdariffa) waste as supplements on broiler<br />

chickens at dietary levels up to 15% were studied over 5 weeks period. Day old<br />

unsexed commercial broiler chicks were used for this experiment. Four experimental<br />

diets containing dried roselle waste at different levels (0%, 5%, 10% and 15%) mixed<br />

with commercial feed were formulated for 3 weeks. Chicks were randomly distributed<br />

into 6 chicks per group. 0% level shown significant difference from other levels for<br />

weight gain, weight of carcasses and colour. 10% level shown significant difference<br />

for texture, total phenolic content and total volatile protein. Thus, it is recommended<br />

to feed the broiler chicken to increase their quality.<br />

1020 | UMT UNDERGRADUATE RESEARCH DAY 2018

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