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Indian Journal of Poultry Science
Year : 2006, Volume : 41, Issue : 1
First page : ( 58) Last page : ( 63)
Print ISSN : 0019-5529.

Effect of feeding green berseem on growth and carcass characteristics of growing turkey poults

Bhattacharyya A., Majumdar S.*, Bhanja S.K., Singh R.P.

Turkey Research Unit Central Avian Research Institute, Izatnagar - 243 122 (UP)

* Corresponding author

Received:  13  January,  2005; Accepted:  5  November,  2005.

Abstract

An experiment was conducted to determine the influence of feeding green berseem on the carcass traits of growing poults in two phases viz grower-1 (8–12 weeks) and grower-2 (12–16 weeks). Eight week growing turkey poults (n=135) were distributed into three dietary treatment groups, consisting of three replicates per treatment and 15 birds per replicate. During these two phases, they were fed ad libitum basal ration (control -T1) i.e grower-1 (CP-22.5%, ME-3000 kcal/kg) and grower-2 (CP-20.5%, ME-3000 kcal/kg), 1/3rd basal ration replaced with green berseem on DM basis (T2) and free access to green berseem and basal diet (Choice feeding-T3). Results revealed that although 12 week body weights differed significantly between T1 and T2, there was no significant difference in dressing yield at this age. However, the eviscerated yield was numerically lower in T2 (66.4%) than in T1 (72.2%). At 16 weeks of age significant differences were recorded in both the dressing (P<0.046) and eviscerated yields (P<0.029) between T1 and T2. Feeding green berseem did not result in any significant difference in the cut up part yields at 12 or 16 weeks of age. Giblets yield was found to be significantly higher (P<0.001) in T2 than in T1 or T3. Proximate analysis of meat at 12 and 16 weeks revealed that the crude protein content in the breast (P<0.025) and leg meat (P<0.043) at these ages was significantly less in the group where, berseem was replaced at one third level on DM basis (24.6%, 22.0%, 23.2% respectively) as compared to T1 (25.4%, 23.6% and 24.5% respectively). The dry matter percentage of the breast meat at 12 weeks was significantly less in T3. Incorporation of green berseem did not influence any of the sensory attributes of the meat either at 12 or 16 weeks of age. Green berseem can easily be incorporated in grower turkey diets without affecting their carcass quality.

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Key words

Berseem feeding, body weight, turkey poults, carcass quality, sensory evaluation.

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