The Improved Bovec sheep was created to improve the production traits of the indigenous Bovec sheep. The Bovec ewes were crossbred with East Friesian rams. The Bovec sheep is a dairy breed and milk yield is the most important production trait. In addition to milk yield, good fertility is also very important, while lamb growth is of somewhat lesser importance. The head of the Improved Bovec sheep is large, without wool and hornless, the ears are plane and not very hairy. The legs are strong and not covered with wool. The tail is of medium length and covered with hair. Eight flocks of sheep were selected, and 10-15 ewes were measured in each flock. All measured animals were born between 2012 and 2019. Wither height, rump height, chest depth, rump width, body length from wither, body length from sternum, chest girth, cannon bone girth, tail girth, tail length, and ear length were measured. In addition to the measured traits, descriptive traits were also recorded: tail hair, tail length in relation to the hock, ear position, ear hair, wool colour, head marks and horns. The average rump height was 70.2 cm, wither height was 70.5 cm, chest depth was 34.5 cm, rump width was 20.9 cm, body length from withers to rump was 69.6 cm, body length from sternum to rump was 81.2 cm, chest circumference was 94.1 cm, cannon bone girth was 8.1 cm, tail girth was 10.5 cm, tail length was 34.6 cm and ear length was 14.2 cm. The body frame index of the measured ewes was 115.3, height index 100.5, breast depth index 49.9, chest development index 133.6, the chest ratio index 8.6, conformation index 126.6 and relative chest girth index 11.4.
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