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Articles by A. Azis
Total Records ( 3 ) for A. Azis
  A. Azis
  The objective of the current study was to evaluate the effect of feeding time restriction in alternate day on performance and Heterophil to Lymphocyte (H/L) ratios as indices stress of broiler chickens. A total 180 seven day-old unsexed broiler chicks were randomly allocated to three treatments: chicks fed ad libitum (P-0); chicks had free access to feed from 07:00 to 09:00, 12:00 to 13:00 and 17:00 to 18:00 (P-1) and from 07:00 to 09:00 and 17:00 to 18:00 (P-2). The feeding time restriction was given at 7, 9, 11, 13, 15, 17, 19 and 21 days of age and chicks was access feed ad libitum on alternate days (8, 10, 12, 14, 16, 18 and 20 days of age). The chicks were fed ad libitum during 22 to 42 days of age. Body weight gain, feed intake and feed conversion ratio in feed restricted broilers were lower (p<0.05) than ad libitum broilers during 7 to 21 days of age. There were significantly increases heterophil and Heterophil/Lymphocyte (H/L) ratio. During realimentation period from 22 to 42 days of age, there were no statistically significant differences between feed restricted and ad libitum broilers on performance and differential leucocyte count. It was concluded that although feeding time restriction led to induce stress during starter periods, but there were not influenced on the performance and differential leucocyte cells of broilers during realimentation periods.
  A. Azis , Zubaidah and Berliana
  The objective of the study was to evaluate the effect of feeding time restriction during starter period on compensatory growth and thyroid hormone concentration of broiler chickens. Four hundred of 7 days-old unsexed broiler chicken of Ross commercial strain were used a completely randomized design with 4 treatments. The treatments were: broilers were fed ad libitum as control group (P-0); broilers had to feed during 15 h/d (07:00 to 10:00; 12:00 to 15:00; 17:00 to 20:00; 22:00 to 01;00; 03:00 to 06:00) from 7-21 d of age (P-1); broilers had free access to feed during 12 h/d (07:00 to 10:00; 13:00 to 16:00; 19:00 to 22:00; 01:00 to 04:00) from 7-21 d of age (P-2); broilers had free access to feed during 9 h/d (07:00 to 10:00; 15:00 to 18:00; 23:00 to 02:00) from 7-21 d of age (P-3). The treatments consisted of 5 replicates with 20 chicks per pen. Feed intake and body weight gain of feeding time restriction broiler (P-3, P-2 and P-1) was significantly lower than broiler fed ad libitum (P-0) during 7 to 21 d of age. During this period, feed conversion ratio of P-3 had better than P-0, P-1 and P-2. There were no significant difference among all treatments on feed intake, body weight gain and feed conversion ratio during realimentation period. There were significantly lower T3 and T4 of all feeding time restriction broiler than broiler fed ad libitum. However, T3 and T4 were normalized during realimentation period. It was concluded that feeding time restriction during starter period had compensatory growth phenomenon and similar body weight with control and thyroid hormones profile were normalized during realimentation period.
  A. Azis , S. Berliana and Afriani
  Background and Objective: Feeding time restriction is an alternative lower-intensity feed restriction practice and could be less stressful than higher-intensity feed restriction practices. Feeding time restriction is more likely to provide the beneficial effects of feed restriction without adverse effects on growth. This study aimed to determine the effects of feeding time restriction on the growth performance of broiler chickens during the 35 days production period. Materials and Methods: Three hundred 1-day-old unsexed broiler chickens of the Lohmann commercial strain were used in a completely randomized design with 4 treatments and 5 replications. The treatments were as follows: broilers were fed ad libitum as a control group (P-0); broilers had free access to feed for 8 h day1 from 1-21 days of age and then were fed ad libitum from 22-35 days of age (P-1); broilers had free access to feed for 8 h day1 from 1-21 days of age and then for 12 h day1 from 22-35 days of age (P-2); broilers had free access to feed for 12 h day1 from 1-21 days of age and then were fed ad libitum from 22-35 days of age (P-3); and broilers had free access to feed for 12 h day1 from 1-35 days of age (P-4). Body weight and feed intake values were recorded weekly and body weight gains and feed conversion ratios were calculated. Two broiler chickens from each pen were used to measure the size of the carcass, abdominal fat pad and internal organs at 35 days of age. Results: At 21 day of age, the body weight and body weight gain values of the broilers that had feeding time restrictions (P-1, P-2, P-3 and P-4) were significantly lower than those of the broilers fed ad libitum (P-0). No significant effects of the feeding time restriction treatments on body weight gains were found during the growing period from 22-35 days of age but at 35 day of age, the P-3 broilers had no significant differences in body weight compared to the weight of the broilers fed ad libitum (P-0). At 21 day of age, feed intake values and feed conversion ratios in the feeding time restriction treatments were significantly lower than those in P-0. However, the P-2 and P-4 broilers had lower feed intake values and feed conversion ratios during the growing period at 35 day of age. There were no differences among the treatments in the weights of the carcass, abdominal fat pad and gizzard; however, the weights of the internal organs, such as the liver, small intestine and pancreas, were significantly increased in broilers that experienced smaller feeding time restrictions. Conclusion: Program for restricting feed for 12 h day1 from 1-21 days of age could be applied as a useful rearing management technique, resulting in a lower feed intake and no detrimental effects on the performance of broiler chickens.
 
 
 
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