животноводство

Michael Akers provides the basics for understanding mammary development and lactation and conveys the critical regulatory events in lactation. This text willl prove to be an invaluable overview of mamorary development and lactation for undergraduates…

[b]No buts: discover the addictive joy of raising goats[/b] Goats are amazing, multi-talented creatures that have been domesticated for over 10,000 years. As well as being a source of food, clothes, and milk, they're wonderful companions: cute, …