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Journal of Animal and Veterinary Advances
Year: 2009  |  Volume: 8  |  Issue: 3  |  Page No.: 562 - 567

Effects of Kefir as a Probiotic on Growth Performance and Carcass Characteristics in Geese (Anser anser)

E. Hesna Sahin and M. Yardimci    

Abstract: The objective of this study was to investigate, the effects of Kefir as a probiotic on growth performance and carcass characteristics in Geese. For this aim, 54 goslings at 21-day-old age were randomly divided into 1 control and 2 treatment groups each of which had 3 replicates of 6 birds. The goslings were fed with a starter diet (22% HP, 2900 MJ kg-1 ME) from 3-6 weeks of age and then with a grower diet (15% HP, 2900 MJ kg-1 ME) during 6-12 weeks period. Group 1 served as control and received normal drinking water. For group 2 and 3, 2.5 and 7.5% Kefir was applied in drinking water. Feed and water was offered ad libitum. All birds were individually weighed at the start and then weekly intervals until the end of the experiment. Feed consumption of each experimental unit was recorded weekly on pen basis and feed conversion ratio was calculated. At the end of the study period, 2 goslings were randomly selected from each replicate treatment groups for slaughter. The results showed that total body weight gain, total feed intake, feed conversion ratio values were similar in all experimental groups during whole the trial period (p>0.05). Despite the numerical variations, no statistical difference was seen among the groups in terms of slaughter traits, organ weights, carcass characteristics and meat composition values (p>0.05). On the other hand, a gradual increase was seen in abdominal fat amount contrary to the decrease in total skin amount based on the increased kefir rates. Similarly, the numerical increase in meat weight opposite to the decrease in fat weight attracted attention. This might be an evidence to explain the different effects of Kefir on meat and fat tissue development in geese.

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