金针菇菌糠对三黄鸡生长性能、血清生化指标、免疫器官指数及回肠形态的影响.docxVIP

金针菇菌糠对三黄鸡生长性能、血清生化指标、免疫器官指数及回肠形态的影响

目录

一、内容概述................................................3

1.1研究背景.............................................3

1.2研究目的与意义.......................................4

二、材料与方法..............................................5

2.1实验材料.............................................6

2.1.1金针菇菌糠的制备.................................7

2.1.2三黄鸡的饲养管理.................................8

2.2实验设计.............................................8

2.2.1实验分组.........................................9

2.2.2生长性能指标测定................................10

2.2.3血清生化指标测定................................10

2.2.4免疫器官指数测定................................11

2.2.5回肠形态学观察..................................12

三、金针菇菌糠对三黄鸡生长性能的影响.......................12

3.1生长速度............................................13

3.2背肌面积............................................14

3.3肉料比..............................................14

四、金针菇菌糠对三黄鸡血清生化指标的影响...................15

4.1总蛋白..............................................16

4.2总胆固醇............................................16

4.3血清甘油三酯........................................17

4.4血清高密度脂蛋白胆固醇..............................18

4.5血清低密度脂蛋白胆固醇..............................18

五、金针菇菌糠对三黄鸡免疫器官指数的影响...................19

5.1脾脏指数............................................19

5.2肝脏指数............................................20

5.3心脏指数............................................21

5.4肺脏指数............................................21

5.5肾脏指数............................................22

六、金针菇菌糠对三黄鸡回肠形态的影响.......................24

6.1回肠长度............................................24

6.2回肠黏膜厚度........................................24

6.3回肠绒毛高度........................................25

6.4回肠吸收面积........................................25

6.5回肠淋巴细胞分布....................................27

七、结论与讨论.............................................28

7.1研究结果总结........