EFFECT OF LACTATION PERIOD AND MILKING INTERVALS OF HAMDANI SHEEPS MILK IN DUHOK GOVERNORATE

266 samples from the herd of college of Agriculture, Duhok University, were analysed during the lactation period. Total solids precentage was 12,26-23,92% with an awerage of 17,29% in morning milk, while in evening milk it was 9,66-24,62% with an average of 17,89%. Total solids percentage inereased at the end of lactation period. Fat percentage was between 2,00 8,00% with an average of 5,59% in morning milk and 3,00-7,80% with an average of 6,15% in evening milk. Lactose percentage was 1,33 8,77% with an average of 4,79% in morning milk and 1,53-6,86% with an average of 4,36% in evening milk. Protein percentage was 1,25- 9,95% with an average of 5,34% in moring milk, in evening milk it was 2,32-9,67% with an average of 5,67%. Non protein nitrogen percentage was 0,026-0,178% with an average of 0,089% in morning milk, in evening milk it was 0,026 0,187% with an average of 0,096%. Ash percentage was 0,30 1,56% with an average of 0,89% in morning milk while in evening milk it was 0,30-1,60% with an average of 0,87%. About physicochemical preperties of sheeps milk, most samples were not clotted by alcohol test, alotted samples were excluded. No clotting was observed during boiling test. The clotting time of milk was 25-1200sec. With an average of 104 sec. In morning milk. in eveninf milk it was 30-540sec. with an average of 106sec.