Evaluation on Feeding Value of Sugarcane Bagasse

doi:10.11924/j.issn.1000-6850.casb20200200076

Abstract

Abstract:

To evaluate the nutritional value of sugarcane bagasse as livestock roughage, the common nutritional components, RFV and GI of sugarcane bagasse were calculated by comparing with the by-products such as Vicia villosa var. glabrescens, Erigeron breviscapus stems, broad bean stems and cooked artichoke petals. The results showed that the crude protein (CP) content of sugarcane bagasse was significantly lower than those of cooked artichoke petals, Vicia villosa var. glabrescens and Erigeron breviscapus stems (P<0.01), also lower than that of broad bean stems (P>0.05); the ether extract (EE) content of sugarcane bagasse was significantly lower than those of Vicia villosa var. glabrescens and Erigeron breviscapus stems (P<0.05), and the calcium (Ca) and phosphorus (P) content of sugarcane bagasse were significantly lower than those of the other roughages (P<0.05). Among the five types of roughages, RFV of Vicia villosa var. glabrescens, Erigeron breviscapus stems and cooked artichoke petals was 102.90, 88.62 and 94.75, respectively, obviously lower than that of high-quality silage corn (139.48) (P<0.05), while significantly higher than those of sugarcane bagasse (76.09) and broad bean stems (55.86) (P<0.01); and there was no much difference between sugarcane bagasse (76.09) and rice straw chaff (73.45) (P>0.05). Similarly, the dry matter intake (DMI) and milk net energy (NE_L) of Vicia villosa var. glabrescens, Erigeron breviscapus stems and cooked artichoke petals were significantly higher than those of sugarcane bagasse and broad bean stems (P<0.05). In order, the RFVs were as follows: Vicia villosa var. glabrescens > cooked artichoke petals > Erigeron breviscapus stems > sugarcane bagasse > broad bean stems. The GI of Erigeron breviscapus stems with higher CP was prior to Vicia villosa var. glabrescens (P>0.05) and cooked artichoke petals (P<0.05), and the RFV of sugarcane bagasse and broad bean stems were fairly low (P<0.01), indicating lower feeding value of sugarcane bagasse. It is suggested that sugarcane bagasse could be mixed and fermented with other feed types, or puffed for processing feed pellets as roughage resource.

Key words: sugarcane bagasse, feeding value, evaluation

CLC Number:

S811.6

Peng Haifen, He Jiarong, Li Hua, Jin Xiandong, Li Wengui, Huang Bizhi, Qu Kaixing. Evaluation on Feeding Value of Sugarcane Bagasse[J]. Chinese Agricultural Science Bulletin, 2021, 37(2): 129-133.

Figures/Tables 3

References 28

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原料类型	干物质	粗蛋白	粗脂肪	粗灰分	钙	磷
甘蔗渣	96.71±0.06^a	2.41±0.02^c	0.30±0.02^b	2.53±0.03^d	0.34±0.15^b	0.07±0.00^c
蚕豆秆	96.80±0.03^a	5.52±0.04^c	0.30±0.03^b	4.66±0.01^c	0.98±0.01^ab	0.06±0.00^c
光叶紫花苕	94.26±0.17^ab	13.38±0.16^b	1.24±0.06^a	7.15±0.5^b	1.20±0.15^a	0.45±0.57^a
灯盏花秆	91.55±0.01^b	20.83±0.06^a	0.57±0.02^b	11.44±0.02^a	1.41±0.42^a	0.36±0.01^a
熟化洋蓟花苞	96.52±0.04^a	10.41±0.02^b	1.66±0.00^a	3.90±0.03^cd	1.16±0.00^a	0.23±0.01^b
洋蓟粉^[18]	91.14	10.33	4.85	9.81	1.80	0.09
青贮洋蓟^[18]	90.95	10.43	5.15	9.19	2.06	0.08
鲜洋蓟花苞^[18]	92.04	13.45	1.70	/	/	/
稻草糠^#	93.33	4.66	1.01	9.76	0.05	0.09
青贮玉米	93.95±0.78	8.54±0.34	2.65±0.77	4.65±0.49	0.23±0.10	0.19±0.01
甘蔗梢^[10]	95.03	7.53	3.24	5.48	0.28	0.23

原料类型	干物质	粗蛋白	粗脂肪	粗灰分	钙	磷
甘蔗渣	96.71±0.06^a	2.41±0.02^c	0.30±0.02^b	2.53±0.03^d	0.34±0.15^b	0.07±0.00^c
蚕豆秆	96.80±0.03^a	5.52±0.04^c	0.30±0.03^b	4.66±0.01^c	0.98±0.01^ab	0.06±0.00^c
光叶紫花苕	94.26±0.17^ab	13.38±0.16^b	1.24±0.06^a	7.15±0.5^b	1.20±0.15^a	0.45±0.57^a
灯盏花秆	91.55±0.01^b	20.83±0.06^a	0.57±0.02^b	11.44±0.02^a	1.41±0.42^a	0.36±0.01^a
熟化洋蓟花苞	96.52±0.04^a	10.41±0.02^b	1.66±0.00^a	3.90±0.03^cd	1.16±0.00^a	0.23±0.01^b
洋蓟粉^[18]	91.14	10.33	4.85	9.81	1.80	0.09
青贮洋蓟^[18]	90.95	10.43	5.15	9.19	2.06	0.08
鲜洋蓟花苞^[18]	92.04	13.45	1.70	/	/	/
稻草糠^#	93.33	4.66	1.01	9.76	0.05	0.09
青贮玉米	93.95±0.78	8.54±0.34	2.65±0.77	4.65±0.49	0.23±0.10	0.19±0.01
甘蔗梢^[10]	95.03	7.53	3.24	5.48	0.28	0.23

原料类型	粗纤维	中性洗涤纤维	酸性洗涤纤维	木质素
甘蔗渣	47.58±0.02^a	67.71±0.03^ab	43.02±0.06^b	18.16±0.03^a
蚕豆秆	54.27±0.68^a	71.69±0.03^a	58.85±0.03^a	14.74±0.05^ab
光叶紫花苕	34.12±0.07^b	53.29±0.11^c	38.44±0.15^b	9.56±0.52^b
灯盏花秆	25.74±0.51^c	57.09±0.02^c	42.97±0.21^b	6.93±0.05^c
熟化洋蓟花苞	37.39±0.22^b	55.08±2.55^c	42.10±2.57^b	6.22±0.28^c
洋蓟粉^[18]	/	26.71	26.51	4.39
青贮洋蓟^[18]	/	31.10	31.24	6.78
鲜洋蓟花苞^[18]	/	34.24	26.08	4.62
稻草糠	36.32	69.38	43.80	4.30
青贮玉米	31.00±10.50	45.16±6.26	28.87±4.83	4.00±0.82
甘蔗梢^[19]	/	60.36	34.71	/

原料类型	粗纤维	中性洗涤纤维	酸性洗涤纤维	木质素
甘蔗渣	47.58±0.02^a	67.71±0.03^ab	43.02±0.06^b	18.16±0.03^a
蚕豆秆	54.27±0.68^a	71.69±0.03^a	58.85±0.03^a	14.74±0.05^ab
光叶紫花苕	34.12±0.07^b	53.29±0.11^c	38.44±0.15^b	9.56±0.52^b
灯盏花秆	25.74±0.51^c	57.09±0.02^c	42.97±0.21^b	6.93±0.05^c
熟化洋蓟花苞	37.39±0.22^b	55.08±2.55^c	42.10±2.57^b	6.22±0.28^c
洋蓟粉^[18]	/	26.71	26.51	4.39
青贮洋蓟^[18]	/	31.10	31.24	6.78
鲜洋蓟花苞^[18]	/	34.24	26.08	4.62
稻草糠	36.32	69.38	43.80	4.30
青贮玉米	31.00±10.50	45.16±6.26	28.87±4.83	4.00±0.82
甘蔗梢^[19]	/	60.36	34.71	/

原料类型	干物质随意采食量/ (%DM)	产奶净能/ (MJ/kg)	可消化干物质/ (%DM)	干物质随意采食量/ (kg/d)	饲料相对值	分级指数/ (MJ/d)
甘蔗渣	1.77±0.00^b	4.94±0.01^ab	55.39±0.05^ab	10.63±0.01b	76.09±0.10^c	1.87±0.01^c
蚕豆秆	1.67±0.01^b	3.19±0.01^c	43.05±0.03^b	10.04±0.00b	55.86±0.03^d	2.47±0.02^c
光叶紫花苕	2.25±0.01^a	5.45±0.21^a	58.95±0.12^a	13.51±0.03^a	102.90±0.41^a	18.48±0.10^a
灯盏花秆	2.10±0.00^a	4.80±0.00^b	54.39±0.02^a	12.61±0.01^a	88.62±0.04^b	22.09±0.05^a
熟化洋蓟花苞	2.18±0.02^a	5.04±0.03^ab	56.10±1.47^a	13.07±0.02^a	94.75±1.22^ab	12.46±0.26^b
洋蓟粉^[18]	4.49	6.77	68.25	26.96	237.69	70.55
青贮洋蓟^[18]	3.86	6.24	64.56	23.15	193.12	48.48
鲜洋蓟花苞^[18]	3.50	6.81	68.58	21.03	186.33	56.29
稻草糠	1.73	4.86	54.78	10.38	73.45	3.38
青贮玉米	2.69±0.36	6.51±0.53	66.41±3.76	16.17±0.36	139.48±25.71	20.91±7.50
甘蔗梢^[19]	1.99	5.86	61.86	11.93	95.34	8.72