Research Article
Body Weight and Scrotal-Testicular Biometry in Three Indigenous Breeds of Bucks in Arid and Semiarid Agroecologies, Ethiopia
Table 4
Multivariable regression analysis of testicular and epididymal parameters of Afar bucks in Ethiopia.
| Parameter | Predictors | | S. error | Beta | | Sig. | | | Adjusted |
| TW | Constant | 33.8 | 1.27 | | 26.6 | | 0.93 | 0.87 | 0.86 | SC | 0.38 | 0.07 | 0.22 | 5.79 | | BW | 1.23 | 0.06 | 0.77 | 20.1 | | BCS | 0.58 | 0.16 | 0.12 | 3.68 | |
| TL | Constant | −4.07 | 0.31 | | −12.9 | | 0.94 | 0.88 | 0.87 | SC | 0.24 | 0.02 | 0.53 | 14.7 | | BW | 0.22 | 0.02 | 0.53 | 14.7 | | BCS | 0.31 | 0.34 | 0.02 | 0.79 | ns |
| TD | Constant | 1.83 | 0.08 | | 22.1 | | 0.93 | 0.86 | 0.85 | SC | 0.06 | 0.004 | 0.56 | 14.4 | | BW | 0.05 | 0.004 | 0.46 | 11.6 | | BCS | 0.03 | 0.01 | 0.12 | 3.43 | |
| EW | Constant | −0.5 | 0.58 | | −0.86 | ns | 0.87 | 0.77 | 0.76 | SC | 0.52 | 0.03 | 0.87 | 17.2 | | BW | −0.01 | 0.03 | −0.02 | −0.29 | ns | BCS | 0.14 | 0.07 | 0.08 | 1.93 | ns |
| TV | Constant | 22.4 | 5.18 | | 4.33 | | 0.65 | 0.42 | 0.41 | SC | 0.54 | 0.27 | 0.16 | 1.99 | | BW | 1.53 | 0.25 | 0.49 | 6.10 | | BCS | 1.83 | 0.65 | 0.19 | 2.84 | |
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BSC: body condition score, SC: scrotal circumference, TV: testicular volume, TL: testicular length, TW: testicular weight, BW: body weight, EW: epididymal weight, and TD: testicular diameter. , , , and ns: not significant.
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