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The study of some physical wool characteristics in Karadi ewes depending on fiber type ratio
دراسة بعض صفات الصوف الفيزيائية في الأغنام الكرادية أعتماداً علي نسبة الألياف

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Abstract

This study was carried out at the native field in Binaslawa District belongs to the Erbil Government in the year (2012)، on the varied aged Karadi ewes (1 to 6 years) each age group 12 ewes. Samples were taken at May from mid-side of ewes. The overall means of each of the raw and clean fleece weight (2.26 & 1.294 Kg respectively، washing yield 57.79 %. The percentage of the fibers of each of (Coarse، Fine and Kemp) were 49.97،43.88 and 6.13 % respectively، staple length 9.895cm، The effect of ewes age were non-significant on all studied characters except on raw fleece weight was significant (P≤0.01)The total fiber length of each limited numbers of measured 100 , 40 , 30 , 20 and 10 fibers were (14.76 , 15.39 , 15.41 , 15.42 and 15.45 cm respectively, and for fiber diameter for 200 , 40 , 30 , 20 and 10 fibers were 30.73 , 30.55 , 29.77 , 28.01 and 24.36 micron respectively, also length for each of (Coarse، Fine and Kemp) were studied. The ewe’s age were non-significant on total and coarse fiber length, while significant (P ≤0.01) on kemp length for limited numbers of fiber measured (40 and 30 fibers) and significant (P ≤0.05) on remain fiber lengths and fiber diameter.The coefficient regression for all total fiber lengths and fiber diameter on limited numbers of fiber measured were significant (P ≤0.01) and (R2) for the total fiber lengths coefficient regression on limited numbers of fiber measured highly while for fiber diameter under medium between (0.23 and 0.35. also the correlation coefficient were done among all studied characteristics.

اجريت هذه الدراسة في حقل اهلي في ناحية بنصلاوة / اربيل سنة 2012 وعلى نعاج مختلفة الاعمار ( 1 – 6 سنوات ) ، وكل فئة ضمت 12 نعجة ، اخذت العينات في شهر ايار وفي منطقة الوسط الجاني للنعاج ( Side sample Mid ) ، ودرست عدة صفات فكان تأثير العمر غير معنوي على جميع الصفات المدروسة عدا وزن الجزة الخام ........

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