Acta Prataculturae Sinica ›› 2022, Vol. 31 ›› Issue (2): 182-191.DOI: 10.11686/cyxb2020545
Xun-gang WANG1(), Xiao-ling ZHANG1,2, Tian-wei XU1, Yuan-yue GENG1,2, Lin-yong HU1, Na ZHAO1, Hong-jin LIU1, Sheng-ping KANG1,2, Shi-xiao XU1()
Received:
2020-12-08
Revised:
2021-03-04
Online:
2022-02-20
Published:
2021-12-22
Contact:
Shi-xiao XU
Xun-gang WANG, Xiao-ling ZHANG, Tian-wei XU, Yuan-yue GENG, Lin-yong HU, Na ZHAO, Hong-jin LIU, Sheng-ping KANG, Shi-xiao XU. Effects of dietary protein levels on ruminal fungal community structure and function in Tibetan sheep[J]. Acta Prataculturae Sinica, 2022, 31(2): 182-191.
项目 Items | 组别 Groups | ||
---|---|---|---|
LP | MP | HP | |
原料Ingredients | |||
玉米Corn (%) | 21.00 | 16.50 | 12.00 |
小麦Wheat (%) | 13.50 | 12.00 | 10.50 |
麦麸Wheat bran (%) | 7.00 | 7.50 | 8.00 |
豆粕Soybean meal (%) | 3.50 | 5.50 | 7.50 |
菜籽饼Rapeseed meal (%) | 2.50 | 6.00 | 9.50 |
氯化钠NaCl (%) | 0.50 | 0.50 | 0.50 |
磷酸氢钙CaHPO4·2H2O (%) | 0.30 | 0.30 | 0.30 |
膨润土Bentonite (%) | 0.50 | 0.50 | 0.50 |
碳酸钙CaCO3 (%) | 0.45 | 0.45 | 0.45 |
碳酸氢钠NaHCO? (%) | 0.25 | 0.25 | 0.25 |
预混料Premix1) (%) | 0.50 | 0.50 | 0.50 |
燕麦草Oat hay (%) | 50.00 | 50.00 | 50.00 |
合计Total (%) | 100.00 | 100.00 | 100.00 |
营养水平Nutrient levels2) | |||
粗蛋白质Crude protein (%) | 10.06 | 12.10 | 14.12 |
代谢能Metabolizable energy (MJ·kg-1) | 10.14 | 10.12 | 10.10 |
粗脂肪Ether extract (%) | 2.72 | 2.85 | 2.98 |
中性洗涤纤维Neutral detergent fiber (%) | 37.47 | 38.50 | 39.52 |
酸性洗涤纤维Acid detergent fiber (%) | 19.14 | 20.12 | 21.10 |
钙Ca (%) | 0.64 | 0.66 | 0.69 |
磷P (%) | 0.42 | 0.45 | 0.48 |
Table 1 Composition and nutrient levels of diets (dry matter basis)
项目 Items | 组别 Groups | ||
---|---|---|---|
LP | MP | HP | |
原料Ingredients | |||
玉米Corn (%) | 21.00 | 16.50 | 12.00 |
小麦Wheat (%) | 13.50 | 12.00 | 10.50 |
麦麸Wheat bran (%) | 7.00 | 7.50 | 8.00 |
豆粕Soybean meal (%) | 3.50 | 5.50 | 7.50 |
菜籽饼Rapeseed meal (%) | 2.50 | 6.00 | 9.50 |
氯化钠NaCl (%) | 0.50 | 0.50 | 0.50 |
磷酸氢钙CaHPO4·2H2O (%) | 0.30 | 0.30 | 0.30 |
膨润土Bentonite (%) | 0.50 | 0.50 | 0.50 |
碳酸钙CaCO3 (%) | 0.45 | 0.45 | 0.45 |
碳酸氢钠NaHCO? (%) | 0.25 | 0.25 | 0.25 |
预混料Premix1) (%) | 0.50 | 0.50 | 0.50 |
燕麦草Oat hay (%) | 50.00 | 50.00 | 50.00 |
合计Total (%) | 100.00 | 100.00 | 100.00 |
营养水平Nutrient levels2) | |||
粗蛋白质Crude protein (%) | 10.06 | 12.10 | 14.12 |
代谢能Metabolizable energy (MJ·kg-1) | 10.14 | 10.12 | 10.10 |
粗脂肪Ether extract (%) | 2.72 | 2.85 | 2.98 |
中性洗涤纤维Neutral detergent fiber (%) | 37.47 | 38.50 | 39.52 |
酸性洗涤纤维Acid detergent fiber (%) | 19.14 | 20.12 | 21.10 |
钙Ca (%) | 0.64 | 0.66 | 0.69 |
磷P (%) | 0.42 | 0.45 | 0.48 |
项目 Items | 组别 Groups | 标准误 SEM | P值 P-value | ||
---|---|---|---|---|---|
LP | MP | HP | |||
初始体重Initial weight (kg) | 31.63 | 32.17 | 31.33 | 0.17 | 0.12 |
终末体重Final weight (kg) | 47.83b | 55.67a | 52.83a | 1.00 | 0.00 |
平均日增重Average daily gains (G, g·d-1) | 154.30b | 223.80a | 204.80a | 9.51 | 0.00 |
平均日采食量Average daily feed intakes (F, g·d-1) | 1195.00c | 1424.00a | 1314.00b | 23.31 | 0.00 |
料重比Feed conversion ratio, F/G | 7.87a | 6.33b | 6.53b | 0.27 | 0.03 |
Table 2 Effects of dietary protein levels on growth performance of Tibetan sheep
项目 Items | 组别 Groups | 标准误 SEM | P值 P-value | ||
---|---|---|---|---|---|
LP | MP | HP | |||
初始体重Initial weight (kg) | 31.63 | 32.17 | 31.33 | 0.17 | 0.12 |
终末体重Final weight (kg) | 47.83b | 55.67a | 52.83a | 1.00 | 0.00 |
平均日增重Average daily gains (G, g·d-1) | 154.30b | 223.80a | 204.80a | 9.51 | 0.00 |
平均日采食量Average daily feed intakes (F, g·d-1) | 1195.00c | 1424.00a | 1314.00b | 23.31 | 0.00 |
料重比Feed conversion ratio, F/G | 7.87a | 6.33b | 6.53b | 0.27 | 0.03 |
项目 Items | 组别 Groups | 标准误SEM | P值 P-value | ||
---|---|---|---|---|---|
LP | MP | HP | |||
Shannon指数Shannon index | 5.54 | 5.02 | 5.05 | 0.24 | 0.63 |
Simpson指数Simpson index | 0.90 | 0.85 | 0.84 | 0.02 | 0.47 |
ACE指数ACE index | 1189.00 | 872.40 | 972.20 | 68.82 | 0.16 |
Chao 1指数Chao 1 index | 1078.00 | 850.20 | 940.60 | 58.26 | 0.29 |
Table 3 Effects of dietary protein levels on Alpha diversity index in rumen fungi flora of Tibetan sheep
项目 Items | 组别 Groups | 标准误SEM | P值 P-value | ||
---|---|---|---|---|---|
LP | MP | HP | |||
Shannon指数Shannon index | 5.54 | 5.02 | 5.05 | 0.24 | 0.63 |
Simpson指数Simpson index | 0.90 | 0.85 | 0.84 | 0.02 | 0.47 |
ACE指数ACE index | 1189.00 | 872.40 | 972.20 | 68.82 | 0.16 |
Chao 1指数Chao 1 index | 1078.00 | 850.20 | 940.60 | 58.26 | 0.29 |
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