The second day of school, today learned pig breeding.
Selection preparation, of course, is to take a picture first and send it from Jianshu App selection steps: do a health assessment first, followed by limbs, hooves, nipples, vulva Body shape pictures sent from Jianshu App Pictures sent from Jianshu App Number nipple pictures from Jianshu App Five-step stimulation method Back pressing picture sent from Jianshu App Touching buttocks picture from Jianshu App Top picture from Jianshu App abdomen lift
To prepare for the selection, of course, take a picture first
The picture is from the book App
Selection steps: first do a health assessment, followed by limbs, hooves, nipples, vulva, and body shape