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Effect of supplementing Nigella sativa to diet on feed and water consumption pattern and some productive characters of heat stressed broiler chicken | ||
| iraqi poultry sciences journal | ||
| Article 1, Volume 2, Issue 3, 2007, Pages 36-51 | ||
| Author | ||
| D. K . Ibrahim and F . R . A . Al- Kafagy | ||
| Abstract | ||
| This study was aimed to investigate the effect of supplementing Nigella sativa seed powder to diet of broiler exposed to heat stress on feed and water consumption pattern and some productive characters. One hundred and fifty, one day old, unsexed broiler chicks (Lohman) were used .Broilers chicks were reared on floor from one day to 28 days and then transferred to battery brooders. Five treatments were carried out as follows :T0, control treatment with out supplementing Nigella sativa to diet T1 and T2 treatments, supplementing Nigella sativa to diet and given to birds daily for 24 hours at two levels 0.35 and 0.70% respectively T3 and T4 treatments, supplementing Nigella sativa to diet and given to birds daily for 12 hours at two levels 0.35 and 0.70% , respectively from (600-1800) hours before and during the highest environmental temperature 35C. Birds exposed to cyclic temperature 28-35-28C and relative humidity 52-58% the highest environmental temperature was at(1200-1800). At 6 and 8 weeks of age, feed and water consumption pattern at 1200, 1800, 2400, 600 hours, average growth rate and mortality percentages, were calculated while body weight, feed consumption, weight gain, feed conversion ratio at (5 - 8) weeks (accumulative) were calculated. In general the study revealed that there were a significant increase of feed and water consumption patterns of treatments T1,T2,T3 and T4 compared with T0, as well as body weight , feed consumption , weight gain (accumulative) (5-8) weeks and growth rate increased significantly in all treatments T1,T2,T3 and T4 compared with T0 while feed conversion ratio and total mortality reduced significantly for T1,T2,T3 and T4 compared with T0. The study confirmed that supplementing Nigella sativa has a positive .effect on feed and water consumption pattern and other productive characters of broiler chicken exposed to heat stress | ||
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