Preliminary association of coat colour types and tolerance to Haemonchus contortus infection in West African Dwarf sheep

Figures & data

Table 1. F values from mixed model analysis of variance of post-infection body weight changes and packed cell volume (PCV) in West African Dwarf sheep.

		Body weight changes (kg)				PCV (%)
Sources of variation	DF	Week 1	Week 2	Week 3	TPL	Week 1	Week 2	Week 3	TPL
Coat colour	4	89.83ns	113.65*	167.38*	206.41**	71.98ns	145.11*	167.07*	197.22*
Sex	1	82.37ns	63.33ns	54.38ns	81.91ns	44.27ns	59.08ns	47.12ns	58.11ns
Coat colour×sex	4	17.68ns	11.32ns	79.91ns	11.39ns	29.86ns	12.74ns	32.14ns	19.01ns
TPL, Total post-infection loss; ns, not significant.
*p<0.05.
**p<0.01.

Table 2. F values from mixed model analysis of variance of post-infection total serum protein (TSP) and serum albumin in West African Dwarf sheep.

		TSP (g/l)				Serum albumin (g/l)
Sources of variation	DF	Week 1	Week 2	Week 3	TPL	Week 1	Week 2	Week 3	TPL
Coat colour	4	99.87ns	122.61*	147.48*	186.41**	61.91ns	125.21*	144.07*	167.12*
Sex	1	68.32ns	67.31ns	54.31ns	71.92ns	42.27ns	79.08ns	57.11ns	48.21ns
Coat colour×sex	4	37.48ns	21.32ns	69.92ns	17.39ns	19.86ns	22.14ns	22.44ns	18.91ns
TPL, Total post-infection loss; ns, not significant.
*p<0.05.
**p<0.01.

Table 3. F values from mixed model analysis of variance of post-infection serum globulin and faecal egg count (FEC) in West African Dwarf sheep.

		Serum globulin (g/l)				FEC
Sources of variation	DF	Week 1	Week 2	Week 3	TPL	Day 5	Day 7	Day 10	Day 14	Day 17	Day 21
Coat colour	4	69.77ns	132.11*	127.78*	186.41**	51.41ns	85.71*	104.07*	97.13*	99.74*	104.32*
Sex	1	58.12ns	76.37ns	64.21ns	57.91ns	35.21ns	49.18ns	37.11ns	38.11ns	21.09ns	36.11ns
Coat colour×sex	4	35.41ns	28.13ns	19.93ns	16.37ns	9.86ns	17.14ns	12.44ns	18.31ns	11.77ns	17.66ns
Notes: Means in the same column with the different superscripts are significantly different (p<0.05) for coat colour and sex.
TPL, Total post-infection loss; ns, not significant.
*p<0.05.
**p<0.01.

Table 4. Least square means of post-infection body weight (kg) as influenced by coat colour and sex.

	Initial	Week 1	Week 2	Week 3	Total post-infection loss
Coat colour
Badgerface (A^bfaB-S-)	15.20	12.58±0.19^a	11.17±0.11^b	9.75±0.18^b	5.42±0.15^b
Black with extensive white (aaB-ss)	15.30	13.34±0.13^a	12.17±0.08^b	11.08±0.17^ab	4.17±0.11^ab
Black (aaB-S-)	14.80	13.41±0.17^a	12.33±0.15^b	11.67±0.18^ab	3.17±0.14^ab
Brown mouflon (A^mabbS-)	15.70	14.43±0.18^a	14.07±0.01^a	13.66±0.16^a	2.05±0.21^a
Brown with extensive white (aabbss)	14.90	14.00±0.19^a	12.50±0.19^b	12.85±0.16^a	2.06±0.18^a
Sex
Male	16.90	16.17±0.20^a	14.83±0.14^a	13.79±0.14^a	4.08±0.19^a
Female	12.70	11.83±0.21^b	10.79±0.19^b	10.12±0.17^b	2.54±0.16^b

Table 5. Least square means for post-infection packed cell volume (%) as influenced by coat colour and sex.

	Initial	Week 1	Week 2	Week 3	Total post-infection loss
Coat colour
Badgerface (A^bfaB-S-)	34.16	29.33±0.24^a	24.67±0.12^c	20.50±0.28^c	13.67±0.16^c
Black with extensive white (aaB-ss)	33.83	30.50±0.23^a	25.83±0.25^c	24.17±0.40^c	9.67±0.22^b
Black (aaB-S-)	34.50	31.17±0.29^a	28.33±0.16^b	26.67±0.36^b	7.83±0.17^b
Brown mouflon (A^mabbS-)	35.00	33.33±0.15^a	32.00±0.16^a	30.67±0.33^a	4.33±0.17^a
Brown with extensive white (aabbss)	35.00	32.33±0.33^a	31.67±0.31^a	30.33±0.28^a	4.67±0.18^a
Sex
Male	33.50	30.00±0.36^a	26.58±0.33^a	24.50±0.39^a	9.00±0.16^a
Female	35.25	31.92±0.34^a	28.57±0.29^a	26.42±0.48^a	8.83±0.15^a
Note: Means in the same column with the different superscripts are significantly different (p<0.05) for coat colour and sex.

Table 6. Least square means for post-infection total serum protein (g/l) as influenced by coat colour and sex.

	Initial	Week 1	Week 2	Week 3	Total post-infection loss
Coat colour
Badger face (A^bfaB-S-)	81.60	62.02±0.40^a	52.62±0.21^c	48.08±0.47^c	33.55±0.14^a
Black with extensive white (aaB-ss)	81.30	67.77±0.22^a	62.22±0.28^b	56.95±0.13^bc	24.33±0.11^b
Black (aaB-S-)	80.30	72.48±0.19^a	66.50±0.33^ab	63.45±0.27^b	16.85±0.15^bc
Brown mouflon (A^mabbS-)	81.80	76.77±0.24^a	73.20±0.23^a	70.13±0.21^a	11.70±0.28^c
Brown with extensive white (aabbss)	78.60	76.87±0.37^a	75.1±0.26^a	73.40±0.12^a	5.17±0.26^d
Sex
Male	81.50	68.32±0.13^a	61.25±0.36^a	57.68±0.41^a	23.82±0.14^a
Female	80.20	71.22±0.22^a	66.49±0.37^a	62.45±0.39^a	17.77±0.23^a
Note: Means in the same column with the different superscripts are significantly different (p<0.05) for coat colour and sex.

Table 7. Least square means for post-infection serum albumin (g/l) as influenced by coat colour and sex.

	Initial	Week 1	Week 2	Week 3	Total post-infection loss
Coat colour
Badger face (A^bfaB-S-)	47.20	38.03±0.56^a	30.65±0.37^b	26.77±0.29^c	20.45±0.19^a
Black with extensive white (aaB-ss)	45.50	38.05±0.32^a	33.63±0.28^b	30.97±0.21^bc	14.55±0.42^ab
Black (aaB-S-)	46.40	42.05±0.36^a	38.78±0.22^ab	35.52±01.14^b	10.88±0.33^b
Brown mouflon (A^mabbS-)	45.00	43.27±0.28^a	40.70±0.10^a	38.97±0.08^a	6.07±0.28^bc
Brown with extensive white (aabbss)	47.50	46.57±0.35^a	44.97±0.26^a	44.47±0.19^a	3.07±0.22^c
Sex
Female	46.10	41.52±0.33^a	37.77±0.34^a	35.54±0.30^a	14.12±0.22^a
Male	46.60	40.00±0.16^a	35.17±0.28^a	31.94±0.22^a	11.10±0.24^a
Note: Means in the same column with the different superscripts are significantly different (P < 0.05) for coat colour and sex.

Table 8. Least square means for post-infection serum globulin (g/l) as influenced by coat colour and sex.

	Initial	Week 1	Week 2	Week 3	Total post-infection loss
Coat colour
Badgerface (A^bfaB-S-)	34.10	26.58±0.44^a	22.63±0.38^b	19.82±0.18^b	14.32±0.25^a
Black With extensive white (aaB-ss)	33.50	27.00±0.33^a	23.78±0.27^b	20.65±0.31^b	12.87±0.23^a
Black (aaB-S-)	34.00	30.32±0.21^a	27.70±0.34^ab	25.88±0.22^ab	8.10±0.17^b
Brown mouflon (A^mabbS-)	37.50	34.67±0.25^a	32.97±0.23^a	31.17±0.24^a	6.33±0.24^b
Brown with extensive white (aabbss)	31.00	29.67±0.28^a	29.17±0.17^a	28.70±0.15^a	2.30±0.40^c
Sex
Female	33.00	28.51±0.12^a	26.42±0.28^a	24.77±0.36^a	11.60±0.31^a
Male	35.00	29.52±0.23^a	25.99±0.22^a	23.37±0.19^a	8.19±0.18^a
Note: Means in the same column with the different superscripts are significantly different (p<0.05) for coat colour and sex.

Table 9. Least square means for post-infection log transformed faecal egg count as affected by coat colour and sex.

	Initial	Day 5	Day 7	Day 10	Day 14	Day 17	Day 21
Coat colour
Badgerface (A^bfaB-S-)	0	7.68±0.13^a	8.00±0.06^a	8.28±0.10^a	8.54±0.12^a	9.08±0.12^a	9.29±0.09^a
Black with extensive white (aaB-ss)	0	6.99±0.17^a	7.42±0.13^a	7.57±0.13^a	7.95±0.15^a	8.31±0.09^ab	8.69±0.10^ab
Black (aaB-S-)	0	6.34±0.18^a	6.91±0.11^a	7.34±0.13^ab	7.94±0.08^a	8.31±0.04^ab	8.58±0.12^ab
Brown mouflon (A^mabbS-)	0	5.29±0.01^a	5.20±0.32^b	6.56±0.20^b	7.41±0.09^b	7.58±0.15^b	7.81±0.12^b
Brown with extensive white (aabbss)	0	0^b	4.84±0.23^b	6.71±0.10^b	7.18±0.13^b	7.58±0.16^b	7.83±0.26^b
Sex
Male	0	7.08±0.26^a	6.99±0.34^a	7.57±0.20^a	8.09±0.15^a	8.38±0.19^a	8.74±0.18^a
Female	0	6.73±0.23^a	6.68±0.35^a	7.34±0.18^a	7.78±0.14^a	8.26±0.14^a	8.45±0.15^a
Note: Means in the same column with the different superscripts are significantly different (p<0.05) for coat colour and sex.