Carcass characteristics and economic analysis of supplementing powdered coffee leaves to indigenous Wolaita highland sheep diets based on hay

Figures & data

Table 1. Treatment layouts of the experiment

Treatments	Concentrate mix (g/kg DM)	Coffee leaves powder meal supplement (% of 300 g/kg DM)	Pure water and natural pasture hay
T1	300	0	Ad libitum
T2	300	5	Ad libitum
T3	300	10	Ad libitum
T4	300	15	Ad libitum
T5	300	20	Ad libitum

Figure 1. Experimental feed preparation.

Table 2. Composition of concentrate feed in the rations

Concentrate mix	Percentage	Amount g/kg DM
Taro Boloso-I	45	135
Wheat bran	29.97	89.91
Nuge seed cake	15.03	45.09
Mineral mixture	10	30
Total	100	300

Figure 2. Experimental animals and their management.

Table 3. Carcass components of male intact indigenous Wolaita highland sheep supplemented different level of coffee leaves powder meal

Variables	T1	T2	T3	T4	T5	SEM	p-value
Slaughter weight (kg)	20.0^c	20.3^c	23.1^b	24.2^b	26.8^a	0.19	<0.0001
Empty body weight (kg)	15.1^c	15.7^c	18.7^b	19.2^b	22.4^a	0.17	<0.0001
Hot carcass weight (kg)	6.1^e	7.0^d	7.2^c	7.5^b	8.8^a	0.05	<0.0001
Dressing percentage
Slaughter weight based	30.6^c	34.3^a	31.3^bc	31.3^bc	32.9^ab	0.36	<0.001
Empty body weight based	40.5^b	44.5^a	38.7^b	38.8^b	39.4^b	0.49	<0.001
Rib eye Area (cm^2)	8.7^d	9.0^d	9.81^c	10.4^b	11.6^a	0.12	<.0001

^a-e= means with different superscripts within a row are significantly different (p<0.05); SEM= Standard error of mean.

Table 4. Edible non-carcass components of male intact indigenous Wolaita highland sheep supplemented with coffee leaves powder meal

ENCC (g)	T1	T2	T3	T4	T5	SEM	p-value
Heart	314^e	391^d	417^c	431^b	492^a	0.54	<0.0001
Liver	72.0^e	101^d	88.5^c	123^b	179.6^a	2.0	<0.0001
Kidney	65.3^d	70.0^cd	76.0^c	92^b	108.6^a	1.80	<0.0001
Tongue	69.0^c	74.0^c	82.0^b	94^a	101^a	1.31	<0.0001
Gut empty	662^b	671^a	452^e	558^d	634^c	1.58	<0.0001
Tail fat	203^d	219^d	340^c	437^b	501^a	11.3	<0.0001

^a,b,c= means with different superscripts within a row are significantly different (p<0.05); ENCC= edible none carcass components; SEM= Standard error of man.

Table 5. Non-edible non-carcass components of male intact Wolaita highland sheep supplemented with coffee leaves powder meal

Carcass components	T1	T2	T3	T4	T5	SEM	P-value
Head (kg)	1.08^b	1.03^b	1.10^b	1.13^b	1.30^a	0.03	<0.01
Blood(g)	817^c	779^d	948^b	994^a	983^a	4.04	<0.0001
Gut content (kg)	5.03^a	4.7^ab	4.4^ab	5.0^ab	4.3^b	0.14	<0.01
Skin (kg)	2.07	2.07	2.3	2.0	2.5	0.07	0.006
Tests(g)	176^e	187^d	208^c	226^b	233^a	1.05	<.0001
Bladder with no tongue	19.6^b	19.0^b	21.3^ab	22.7^a	24.0^a	0.60	<0.01
Feet(g)	413^d	428^c	441^c	476^b	550^a	2.98	<0.001
Spleen(g)	40^e	52^d	62^c	70^b	79.6^a	1.09	<0.0001
Lung(g)	156^c	134^d	226^b	157^c	246^a	1.51	<0.0001
Kidney fat	12.0^d	17.7^c	19.7^c	57.3^a	30.7^b	0.83	<0.0001
Abdominal fat	17.0^e	24.0^d	31.0^c	61^b	65^a	0.58	<0.0001

^a,b,c= means with different superscripts within a row are significantly different (p<0.05); SEM= Standard error of man.

Table 6. Partial budget analysis of male intact indigenous Wolaita highland sheep supplemented with coffee leaves meal powder meal

Items and expenses	T1	T2	T3	T4	T5
Sheep Purchase price (ETB/head)	1050	1050	1050	1050	1050
Hay intake (kg/head)	54	54	54.0	54	54
Cost of GH (ETB)	110	110	110	110	110
Cost for Coffee leaf (ETB)	0	100	200	300	400
Concentrate mix Cost (ETB)	237.5	237.5	237.5	237.5	237.5
Medication Cost (ETB)	6.0	6.0	6.0	6.0	6.0
Total variable cost	1,403.5	1,503.5	1,603.5	1,703.5	1,803.5
Final selling price (R) (ETB)	1769	2100	2240	2430	2763
Net income change (ETB)	365.5	596.5	636.5	726.5	959.5

ETB=Ethiopian birr, 1ETB = 0.018USD