223
00:10
Dawei dw vet6 exam cow fetal by rectal sensor
46
00:16
Dawei dw vet6 special sheep rectal probe
21
00:09
Dawei dw vet6 exam pig pregnancy by convex probe 1
22
00:06
Dawei dw vet6 exam pig pregnancy by convex probe 2
HD
18
00:16
Dawei dw vet6 special sheep rectal probe 1
100
00:06
Dawei dw vet6 exam pig fat thickness by backfat probe
275
00:08
Dawei dw vet6 exam pig "eyes muscle area" by backfat probe & basement 2
105
00:10
Dawei dw vet6 exam pig "eyes muscle area" by backfat probe & basement 1
3
00:10
Vet6 exam cow