A good book on pig farm management and disease

Please recommend some good books! It is a good book about the feeding and management, management and disease of pig farms. Now there are many books in this area, but not many that are really good. I hope that friends who read ten thousand volumes can help recommend a few classic books that benefit a lot after reading. I'm much obliged! -Pig Disease Nine Edition is good.-Thank you! Please help us to provide more information. -Yeah, let's just ask for advice. -I want to know, too.-Hello, do you have an electronic version of Pig Disease Nine? Please send me a copy, my email address is wujianping992@163.com, thank you-reply "wujianping992 I will not send-alas! When the grandson comes home on Sunday, ask him to send or you tell me the qq number. I will post on QQ-my QQ is 122178015, thank you! But it's best to send it to my mailbox, you can upload it when you post an attachment-reply "gaoxia0911, could you please send me a, my QQ154520428, thank you-learn! -"Pig Disease" is good! -do you have any books on pig farm management?