SHUKLA, K. P.DESAI, PRAKASHCHANDRA MAHASHANKER2018-05-232018-05-231989http://krishikosh.egranth.ac.in/handle/1/5810047307The present study was undertaken with the objective of knowing the age-specific production performance in the Patanwadi sheep, " The data on 1038- lambings. and 2150 wool production records belonging to Patanwadi flock, Government Sheep Breeding Farm, Patan,' Gujarat State, from 1972 to 1980 were used. The results indicated that age differences were non-significant for number of ewes tupped per ewe joined; number of ewes lambed per ewe joined, per ewe bred, per ewe joined & present at lambing;number of lambs born per ewe lambing, number of lambs born per ewe joined per ewe bred and per ewe joined and present at lambing;number of lambs weaned per lamb born; number of lambs weaned per ewe joined per ewe bred, per ewe joined and present at lambing and per ewe lambed. The peak performance was observed at 4 years of age for most of the characteristics. Year effect, was highly significant ,(P<0.01) for most of the characteristics. On an average for every 1000 ewes mated 752 ewes lambed, 778 lambs were born, 741 lambs weaned arid 356 ewe lambs survived to joining age.enLIVESTOCK PRODUCTIONA STUDYThesis