Effects of dietary supplementation with antibiotics and herbs on the growth performance of Anh Dao ducks
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Abstract
This study investigated the effects of supplementing farm-used antibiotics (AB) and a Vietnamese herbal product (TMV) in the diets of Anh Dao ducks. A total of 1,200 one-day-old ducks were randomly allocated to four experimental groups with two factors: AB and TMV (group 1: No AB and 0 g TMV; group 2: No AB and 3 g TMV; group 3: With AB and 0 g TMV; group 4: With AB and 3 g TMV). Ducks were raised until 35 days of age. Results showed that survival rates were relatively high in all groups (> 97%). The weekly live body weight of ducks in groups receiving AB or TMV was significantly higher than that of group 1 (P < 0.001). Ducks in groups 3 and 4 also had higher live body weights than those in group 2 (P < 0.05). Additionally, there was an AB x TMV interaction for the live body weight (P < 0.001). Feed intake and body weight gain in groups 2, 3, and 4 were all higher than those in group 1, especially during weeks 3, 4, and 5 (P < 0.05). There were no significant differences in feed conversion ratio among groups (P > 0.05). At 35 days of age, AB, TMV, or their interaction did not affect the flock uniformity of Anh Dao ducks (P > 0.05). Briefly, dietary supplementation of AB and TMV, either individually or in combination, had positive effects on feed intake, growth rate, and live body weight in Anh Dao ducks.
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References
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