Dept. of Animal Nutrition, Genetics & Breeding
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Item SYNERGISTIC EFFECT OF ALOEVERA (Aloe barbadensis miller) AND GARLIC (Allium sativum) ON THE PERFORMANCES OF BROILER(DEPARTMENT OF ANIMAL NUTRITION, GENETICS AND BREEDING, SHER-E-BANGLA AGRICULTURAL UNIVERSITY, DHAKA-1207, 2019-12) PAUL, SEPIAA trial using 120 day old “Lohman strain (Indian River)” commercial broiler chicks were carried out on littered floor for a period of four weeks at Sher-e-Bangla Agricultural University Poultry Farm, Dhaka. The study was designed to investigate the efficacy of Aloevera and Garlic extract in drinking water in order to evaluate the bird’s performance, carcass characteristics and economic utility on broiler rearing that includes production cost, profit per bird (PPB) and benefit cost ratio (BCR). The experimental birds were allocated randomly into 3 treatments and a control group with three replications having 8 broilers per replication. The AVG was mixed with drinking water at three concentration levels: 1% Aloevera gel of DW in DW (T 2 ), 1% Garlic of DW in DW (T 3 ), 0.5% Aloevera gel + 0.5% Garlic of DW in DW (T 4 ) and the group without AVG supplementation was control (T 0 and T 1 ). As per the result T 4 performed well according to the production performance. Results demonstrated that the average water intake in different groups were insignificant (P>0.05). A significant difference (P<0.05) was noted on body weight, feed consumption, body weight gain (BWG) in the birds treated with AVG. Additionally, Feed Conversion Ratio (FCR) had been improved. The better FCR was observed in combined AVG treated group, T 4 (1.31) than the other. A difference was figured on broilers survivability between the treatment groups and the control. Carcass percentage was significantly (P<0.05) higher in all treatment groups than control. Edible portion of birds was found significantly (P<0.05) higher in T 4 (67.00%±0.58) than T 2 (66.00%±0.58), T 3 (65.67%±0.33), T 1 (65.00%) and control T 0 (64.67%±0.67). The combination of aloevera and garlic was not cost effective due to the treatment cost. Where, the antibiotic positive and the antibiotic negative control were cost effective. However, negative control had been found with higher mortality than the other. It is reviewed that, though antibiotic promotes the growth, such type of practice reduces the natural improvement of gut environment as well as disease fighting capability, a reason behind reducing production in broiler industry. Therefore, the application of AVG will help naturally, in production without resistance. However, Aloevera & Garlic induced treatments (T 2 , T 3 , T 4 ) lead to less BCR and profit than controls (T 1 ). It is recommended that T 4 (0.5% Aloe+ 0.5% Garlic) can be used for safe broiler meat production rather than using antibiotics. , T 0