Assessment of milk quality of upcountry dairy farm in Sri Lanka
Title: Evaluation of morphometric and carcass traits of Yalaga, Kenguri and Bannur sheep
Authors: Hussain MS, Appannavar MM, Yathish HM, Asharani AD, Suranagi MD, Hiremath S and Biradar US
Source: Ruminant Science (2018)-7(2):179-187.
Cite this reference as: Hussain MS, Appannavar MM, Yathish HM, Asharani AD, Suranagi MD, Hiremath S and Biradar US (2018). Evaluation of morphometric and carcass traits of Yalaga, Kenguri and Bannur sheep. Ruminant Science 7(2):179-187.
The present investigation was undertaken to assess the morphological and carcass traits of Yalaga, Bannur and Kenguri sheep. Also, to ascertain the relationship of dressed weight with pre-slaughter and carcass traits, and to develop prediction equations for body and dressed weights. For this, morphological traits like body weight (BW, Kg), body length (BL, cm), body height (BH, cm) and chest girth (CG, cm); carcass traits like head weight (HW, Kg), skin weight (SW, Kg), visceral organs weight (VW, Kg), dressed weight (DW, Kg) and four carcass cuts (Cut 1 to Cut 4, Kg) were recorded in 6-9months old 60 rams in each breed. The analysis revealed significantly (p<0.01) higher BW, BL, BH in Yalaga than Bannur and the values were almost similar with Kenguri. Interestingly, Yalaga had significantly (p<0.01) higher CG than Kenguri and it was non-significantly wider than Bannur. For carcass traits, Yalaga and Kenguri had non-significantly different values; however, both had significantly higher values than Bannur for all the carcass traits. The relationship of DW was positive and significant (p<0.01) with BH, BL and CG in Bannur, Kenguri and Yalaga sheep. Similarly, the relationship of DW in Bannur, Kenguri and Yalaga sheep with HW, SW and VW was positive and significant (p<0.01). Also, the relationship of DW with BW was significantly (p<0.01) higher in Bannur, Kenguri and Yalaga, respectively. The best fit equations for predicting BW in Yalaga was developed with BH and CG with R2 value of 0.54; with BH only with R2 value of 0.72 in Kenguri and BH and CG with R2 value of 0.56 in Bannur sheep. The best fit equations for predicting DW were developed using BH and CG in Yalaga, Kenguri and Bannur sheep with respective R2 values of 0.50, 0.62 and 0.46.
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