断奶日龄和日粮营养水平对陕北白绒山羊小肠 形态发育和消化酶活性的影响
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曲星梅,薛复来,黄晓瑜,张宇,邢晓楠,张恩平
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Effects of Weaning Age and Dietary Nutritional Levels on Intestinal Morphology and Activity of Digestive Enzymes in 6-Month-Old Shaanbei White Cashmere Goats
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XingMei QU,FuLai XUE,XiaoYu HUANG,Yu ZHANG,XiaoNan XING,EnPing ZHANG
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表6 日粮营养水平对6月龄陕北白绒山羊小肠主要消化酶的影响
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Table 6 Effects of dietary nutrition levels on activity of small intestine main digestive enzymes of 6 month-old Shaanbei White Cashmere goats
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项目 Item | | 组别 Group | SEM | P值 P value | Ⅲ | Ⅳ | Ⅴ | Ⅵ | α-淀粉酶 α-Amylase (U/mg) | 十二指肠Duodenum | 0.09A | 0.05B | 0.08A | 0.08A | 0.01 | <0.001 | 空肠Jejunum | 0.09b | 0.05c | 0.10a | 0.11a | 0.01 | 0.01 | | 回肠Ileum | 0.08 | 0.07 | 0.06 | 0.06 | 0.01 | 0.40 | 脂肪酶Lipase (U/mg) | 十二指肠Duodenum | 9.95 | 8.45 | 9.93 | 7.82 | 0.62 | 0.63 | | 空肠Jejunum | 8.07 | 7.68 | 8.45 | 7.30 | 0.52 | 0.40 | | 回肠Ileum | 8.87 | 8.00 | 9.73 | 8.42 | 0.33 | 0.28 | 蔗糖酶Invertase (U/mg) | 十二指肠Duodenum | 21.95b | 23.99a | 19.93c | 21.73b | 0.52 | 0.02 | | 空肠Jejunum | 26.23 | 32.48 | 29.28 | 30.44 | 1.31 | 0.45 | | 回肠Ileum | 27.58 | 23.68 | 23.90 | 23.82 | 1.22 | 0.67 | 麦芽糖酶Maltase (U/mg) | 十二指肠Duodenum | 9.67 | 10.42 | 8.72 | 10.79 | 0.32 | 0.09 | | 空肠Jejunum | 10.73 | 12.24 | 9.12 | 10.31 | 0.68 | 0.50 | | 回肠Ileum | 7.66 | 14.13 | 12.35 | 11.52 | 1.00 | 0.07 | 糜蛋白酶 Chympotrypsin (U/mg) | 十二指肠Duodenum | 8.05b | 6.52c | 9.48a | 10.89a | 0.62 | 0.04 | 空肠Jejunum | 10.74B | 8.40C | 15.50A | 11.83B | 0.88 | 0.01 | | 回肠Ileum | 6.89 | 6.29 | 5.83 | 5.71 | 0.30 | 0.57 | 胰蛋白酶Trypsin (U/mg) | 十二指肠Duodenum | 3.57b | 3.60b | 3.74a | 3.80a | 0.03 | 0.04 | | 空肠Jejunum | 3.65 | 3.79 | 3.79 | 3.81 | 0.04 | 0.07 | | 回肠Ileum | 3.52b | 3.53b | 3.82a | 3.59b | 0.07 | 0.03 |
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