Evaluation of non-genetic factors affecting calf growth, reproductive performance and milk yield of traditionally managed Sheko cattle in southwest Ethiopia

Bayou, E.; Haile, A.; Gizaw, S.; Mekasha, Y.

doi:10.1186/s40064-015-1340-9

SpringerPlus

Table 1 Least squares means (±SE) for effects of non genetic factors on growth parameters

From: Evaluation of non-genetic factors affecting calf growth, reproductive performance and milk yield of traditionally managed Sheko cattle in southwest Ethiopia

Effects/levels	N	BW (kg)	6 MW (kg)	WW (kg)	YW (kg)	18 MW (kg)	PrWDG (gram)	PoWDG (gram)
Overall	75	16.12 ± 0.22	58.84 ± 0.51	76.29 ± 0.45	85.07 ± 0.50	111.62 ± 0.74	222.02 ± 1.56	129.44 ± 1.78
R²		0.84	0.79	0.74	0.75	0.71	0.67	0.31
CV %		5.73	3.90	3.02	2.90	3.55	3.96	11.30
Sex		**	**	**	**	**	**	**
Male	39	17.25 ± 0.15	59.33 ± 0.39	77.54 ± 0.39	87.18 ± 0.42	113.62 ± 0.68	222.34 ± 1.50	132.18 ± 2.49
Female	36	15.83 ± 0.15	54.59 ± 0.41	73.06 ± 0.41	82. 82 ± 0.44	106.13 ± 0.71	210.76 ± 1.58	120.55 ± 2.64
AEZ		**	**	**	**	**	**	NS
Low	43	17.15 ± 0.15	58.87 ± 0.40	77.63 ± 0.40	88.18 ± 0.43	112.80 ± 0.69	223.05 ± 1.52	128.78 ± 2.53
Mid	32	15.92 ± 0.16	55.05 ± 0.42	72.97 ± 0.42	81.82 ± 0.45	106.95 ± 0.73	210.05 ± 1.62	123.95 ± 2.69
Season		**	**	**	**	**	**	NS
Main	24	16.33 ± 0.20^a	56.66 ± 0.52^a	73.70 ± 0.52^a	87.20 ± 0.56^b	107.66 ± 0.90^a	211.43 ± 2.0^a	124.69 ± 3.33^a
Dry	20	18.14 ± 0.25^b	54.46 ± 0.67^b	77.20 ± 0.37^b	83.51 ± 0.72^a	109.74 ± 1.15^a	208.99 ± 2.55^a	126.3 ± 4.25^a
Short	31	15.14 ± 0.13^c	59.76 ± 0.34^c	74.99 ± 0.67^a	84.29 ± 0.36^a	112.23 ± 0.58^b	229.22 ± 1.29^b	128.11 ± 2.14^a
Parity		**	**	**	**	**	*	**
1st	22	14.82 ± 0.20^a	54.61 ± 0.50^a	73.02 ± 0.50^a	82.58 ± 0.54^a	106.51 ± 0.87^a	214.48 ± 1.92^a	123.33 ± 3.19^a
2nd	14	16.29 ± 0.24^b	56.19 ± 0.61^b	75.17 ± 0.61^b	85.05 ± 0.66^b	109.58 ± 1.05^b	216.31 ± 2.34^a	125.81 ± 3.89^a
3rd	12	18.04 ± 0.18^c	60.22 ± 0.45^c	76.59 ± 0.46^c	86.00 ± 0.49^b	113.95 ± 0.79^c	215.06 ± 1.74^a	136.97 ± 2.90^b
4th	17	16.48 ± 0.33^b	57.06 ± 0.82^b	77.47 ± 0.82^c	86.55 ± 0.88^b	111.43 ± 1.42^bc	224.94 ± 3.14^b	124.35 ± 5.22^a
5th	10	16.60 ± 0.30^b	56.72 ± 0.75^b	74.24 ± 0.75^ab	84.82 ± 0.81^b	107.91 ± 1.29^ab	211.97 ± 2.87^a	121.36 ± 4.78^a

Means with different superscripts within the same column and class are statistically different
NS non significant, BW birth weight, 6MW 6 months weight, WW weaning weight, YW yearling weight, 18MW 18 months weight, PrWDG pre weaning (birth to weaning), PoWDG post weaning (weaning to 18 months)
* Significant at 0.05
** Significant at 0.01

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