不同饲料效率与绵羊瘤胃组织形态学关系

张德印,张小雪,李发弟,李冲,李国泽,张煜坤,李晓龙,宋其志,赵源,刘晓青,马亮强,王维民

Association of Rumen Histomorphology of Sheep with Different Feed Efficiencies

ZHANG DeYin,ZHANG XiaoXue,LI FaDi,LI Chong,LI GuoZe,ZHANG YuKun,LI XiaoLong,SONG QiZhi,ZHAO Yuan,LIU XiaoQing,MA LiangQiang,WANG WeiMin

表2 不同剩余采食量羔羊瘤胃组织形态

Table 2 The morphological structure of rumen in different residual feed intake of lambs

组别 Groups 个数 Numbers 采食量 FI (kg) 平均日增重 ADG (g·d-1) 饲料转化率 FCR 初始体重 Initial BW （kg） 末期体重 Final BW (kg) 肌层厚度 Muscular thickness (μm) 乳头长度 Papilla height (μm) 乳头宽度 Papilla width (μm) High-RFI 56 168.63±15.73A 272.93±32.71 6.22±0.55A 19.16±3.01 46.45±4.73 766.87±163.98a 1138.59±396.27 245.83±33.41 Medium-RFI 71 153.48±19.03B 267.96±34.55 5.75±0.43B 18.61±4.02 45.41±6.33 687.90±186.95b 1096.72±461.15 245.72±44.83 Low-RFI 60 145.31±20.85C 270.07±35.01 5.39±0.46C 19.28±4.16 46.28±6.68 719.26±189.87ab 1048.59±353.14 241.18±46.01