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

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.