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This study was carried out at the private field Jezhnikan village ,Erbil, Kurdistan region, Iraq. The data set used was (245) records from(101) ewes and (5) sires (rams) of Kurdi sheep over the period April (2018) until May( 2020), in order to study the genetic evaluation and non-genetic factors (age of dam, month of lactation, sex, type of birth and year of birth) relationship between ewe's weight at mating ,birth and milking with daily milk production (DMP), total milk production (TMP).The overall mean of the daily milk production (TDM) and total milk production (TMP) (470.90gm )and (45.95kg) respectively. The results showed that the age of dam, Month of lactation, sex and type of birth affected significantly (p≤0.05) on daily milk production and total milk production, excepted year of birth was non-significant effected on milk production. Ewes aged 4years and 5≥ years 2 year old ewes produced significantly (P≤ 0.05) lower (DMP), (386.67gm) than 3year (423.26gm) than 4 years (480.67gm) and 5≥ (493.97 gm.) old ewes. The heritability estimate of (DMP) was found to be (0.13). The repeatability estimate of (DMP) was found to be (0.22).however, the genetic and phenotypic correlation had non-significant effected between milk production and ewes weights at mating, birth and milking, the breeding value of sire (rams)ranged between(-1.194 to1.520),it was concluded that the most of genetic and non-genetic factors showed a significant impact in the performance of Kurdi sheep which requires study and determine the impact of interest and administrative aspects of the herd to increase performance and maximize economic return.

GENETIC EVALUATION AND RELATIONSHIPS BETWEEN BODY WEIGHT AND MILK PRODUCTION IN KURDI SHEEP