Effect of feeding different ratios of dried brewery grain and surplus cafeteria food on feed intake, body weight gain and carcass characteristics of Wogera sheep

Figures & data

Figure 1. Map of the study area.

Source (Tsega et al., 2023).

Table 1. Experimental design and treatments.

Treatments	Experimental supplement diets	Supplement (Concentrate mix)	Basal diets Hay, Freshwater, and salt lick
T1 (Control)	100% DBG	300 g	Ad libitum
T2	70 % DBG + 30 % SCF	300 g	Ad libitum
T 3	50 % DBG + 50 % SCF	300 g	Ad libitum
T4	30 % DBG + 70 % SCF	300 g	Ad libitum
T5	100% SCF	300 g	Ad libitum

DBG = Dried Brewery Grain, SCF = Surplus Cafeteria Food; T = Treatments.

Table 2. Nutritional composition of experimental feedstuff (%/100 g).

Treatments	DM	OM	ASH	CP	NDF	ADF	ADL
T1	93	94.62	5.38	14.82	42.35	31.91	8.87
T2	93	94.62	5.38	15.17	52.43	38.3	10
T3	93	95.70	4.30	13.22	21.43	14.89	3.35
T4	92	95.65	4.35	13.77	18.86	12.77	2.24
T5	92	96.74	3.26	9.56	17.72	12.77	2.24
GHO	94	93.62	6.38	5.90	77.68	59.57	16.67
GHR	95	94.74	5.26	3.73	82.35	65.96	18.86

T1-100% dried brewery grain, T2- 70% dried brewery grain + 30% student surplus cafeteria food, T3-50% dried brewery grain + 50% student surplus cafeteria food, T4-30% dried brewery grain + 70% student surplus cafeteria food, T5- 100% student surplus cafeteria food, GHO-Grass Hay offered, GHR-Grass Hay Refusal.

Table 3. Gras hay intake, concentrate, and body weight changes in experimental Wogera sheep.

	Treatment
Parameters	T1	T2	T3	T4	T5	SEM	P-Value
Grass hay intake (kg/d)	2.01^a	1.40^b	1.41^b	1.41^b	1.40^b	0.79	0.044
Concentrate (g/d)	300	300	300	300	300	0.00	ns
Total DMI (kg/d)	2.31^a	1.69^b	1.71^b	1.71^b	1.70^b	0.04	0.038
IBW (kg)	19.13	19.85	19.10	19.61	19.70	0.37	ns
FBW (kg)	21.45^b	24.58^ab	25.13^a	24.45^ab	24.25^ab	0.52	0.028
WC kg	2.33^b	4.73^a	6.03^a	4.84^a	4.55^a	0.34	0.047
ADG (g/d)	25.83^b	52.50^a	66.95^a	53.75^a	50.56^a	3.78	0.049
FCE	0.039	0.038	0.048	0.038	0.037	0.005	ns

^a,b Means in the same row with different superscripts differ significantly (P ≤ 0.05), T1-100% dried brewery grain, T2- 70% dried brewery grain + 30% student surplus cafeteria food, T3-50% dried brewery grain + 50% student surplus cafeteria food, T4-30% dried brewery grain + 70% student surplus cafeteria food, T5- 100% student surplus cafeteria food, DMI = Dry Matter Intake, IBW = Initial Body Weight, FBW = Final Body Weight, WC = Weight Change, ADG = Average Daily Gain, FCE = Feed Conversion Efficiency, ns = not significant, SEM = Standard Error of Mean.

Table 4. Edible carcass components of Wogera sheep supplemented with different proportions of Dashen Brewery Grain and Student Cafteria Food with grass hay.

Edible offal components	Treatments
	T1	T2	T3	T4	T5	SEM	P-Value
Blood (kg)	0.11^b	0.12^ab	0.12^ab	0.14^a	0.14^a	0.05	0.031
Head with tongue (kg)	2.00	2.20	2.30	2.20	2.20	0.05	ns
Heart (g)	97.50^b	126.50^ab	194.50^a	119.25^ab	116.65^ab	14.20	0.048
Kidney (g)	49.80	53.20	60.55	58.50	57.35	1.70	ns
Kidney Fat (g)	15.70^b	33.55^ab	30.00^ab	49.00^ab	63.95^a	6.95	0.405
Liver with Bile (g)	192.60^b	286.20^ab	285.50^ab	291.50^ab	343.65^a	19.75	0.029
Front Quarter (kg)	4.11	5.00	5.49	5.35	5.60	0.26	ns
Hind Quarter (kg)	2.70	3.13	3.45	3.68	3.72	0.18	ns
Stomach free gut (kg)	0.92	0.76	0.84	0.81	1.05	0.07	ns
Tail (kg)	0.08	0.33	0.44.	0.54	0.53	0.08	ns
Intestine free gut (kg)	0.41^b	0.77^a	0.85^a	0.84^a	0.77^a	0.06	0.031

^a,b Means in the same row with different superscripts differ significantly (P ≤ 0.05), T1-100% dried brewery grain, T2- 70% dried brewery grain + 30% student surplus cafeteria food, T3-50% dried brewery grain + 50% student surplus cafeteria food, T4-30% dried brewery grain + 70% student surplus cafeteria food, T5- 100% student surplus cafeteria food, ns = not significant, SEM = Standard Error of Mean.

Table 5. Nonedible offal components of the lung with the trachea and esophagus and the testicle with the penis and spleen of Wogera sheep.

Nonedible offal components	Treatments
	T1	T2	T3	T4	T5	SEM	P-Value
Lung with Trachea and esophagus (kg)	0.30^ab	0.33^ab	0.28^b	0.48^a	0.38^ab	0.03	0.029
Testicle with Penis (g)	103.25^b	171.45^ab	233.00^ab	229.50^ab	240.80^a	21.52	0.034
Spleen (g)	21.15^b	39.25^ab	67.50^a	44.50^ab	66.70^a	6.88	0.047

^a,b Means in the same column with different superscripts differ significantly (P ≤ 0.05), T1-100% dried brewery grain, T2- 70% dried brewery grain + 30% student surplus cafeteria food, T3-50% dried brewery grain + 50% student surplus cafeteria food, T4-30% dried brewery grain + 70% student surplus cafeteria food, T5- 100% student surplus cafeteria food, ns = not significant, SEM = Standard Error of Mean.

Tsega, K. T., Maina, K. J., & Tesema, N. B. (2023). Characterization of potential probiotics Lactobacillus species isolated from the gastrointestinal tract of Rhode Island Red (RIR) chicken in Ethiopia. Heliyon, 9(7), e17453. https://doi.org/10.1016/j.heliyon.2023.e17453

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Data availability statement

The authors confirm that the data supporting the findings of this study are available within the article.