The distribution of body fat in Scottish Blackface and Finnish Landrace lambs

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Abstract
SUMMARY: Seven Scottish Blackface and seven Finnish Landrace wether lambs were slaughtered over the weight range 26 to 41 kg. Total chemical fat deposition in relation to fleece-free empty body weight was found to be similar for both breeds, pooled data giving the significant relationship y = 1·28+0·46x, where y was the percentage chemical fat in the fleece-free empty body and x the fleece-free empty body weight.Statistically significant differences in the rate of chemical fat deposition in different depots were found between breeds. The Scottish Blackface was found to deposit relatively more fat in muscular plus associated fatty tissue than the Finnish Landrace while the reverse situation occurred in respect of fat deposition in omental plus mesenteric fatty tissues and perirenal fatty tissues.No breed differences were found in the rate of deposition of subcutaneous fat or fat in bone or in the remainder (head, skin and viscera).