Effect of diets with different proportions of concentrate feeds on fattening performance and carcass quality of lambs from commercial crossing of Polish Mountain ewes with meat-type rams

Ciurus, J.; Drozdz, A.; Krupinski, J.

Roczniki Naukowe Zootechniki, Monografie i Rozprawy 18: 175-182


Accession: 000865494

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Male lambs in 2 groups of 17 were fed from weaning at 90 days until 40 kg liveweight on green forage to appetite and concentrates, for one group 0.4, 0.5 and 0.6 kg and for the other 50% less, in the liveweight range up to 25, 35 and 40 kg, respectively. Daily gain was 107 g on more and 97 g on less concentrates; intake of concentrates/kg gain was 4.70 and 2.75 kg. Days to reach 40 kg were 181 and 198. Wool yield was 1 and 1.34 kg. Dressing percentage was 42.56 and 40.48; other carcass quality traits were similar between groups.