Production and quality of wool of fattened lambs of different commercial crossbred types from Polish Merino ewes and mutton-type rams

Osikowski, M.; Borys, B.; Dulewicz, R.

Roczniki Naukowe Zootechniki 6(1): 313-322

1979


Accession: 000725857

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Abstract
Polish Merino (PM) ewes were mated with German Blackheaded Mutton, Texel, Ile-de-France and PM rams. For lambs of the 4 types (40/group), age at the 1st shearing averaged 170, 172, 181 and 180 days resp., differences of the 1st and the 2nd from the 3rd and 4th groups being significant. Fleece weight averaged 1.74, 1.63, 1.64 and 1.63 kg, clean wool yield 62.1, 57.7, 62.7 and 59.6%, staple length 52, 47, 53 and 46 mm, and fibre diameter 26, 23, 25 and 23 mu . For fleece weight, the differences of the 1st from the 3rd and 4th groups were significant. For clean wool yield, the difference between the 2nd and the 3rd groups was significant. For staple length, the differences of the 1st and 3rd from the 2nd and 4th groups were significant. For fibre diameter, the differences of the 1st and 3rd from the 2nd and 4th groups were significant.