High Quality Content by WIKIPEDIA articles! A landrace is a local variety of a domesticated animal or plant species which has developed largely by natural processes, by adaptation to the natural and cultural environment in which it lives. It differs from a formal breed which has been selectively bred deliberately to conform to a particular formal, purebreed standard of traits. Landraces are usually more genetically and physically diverse than formal breeds. Many formal breeds originated from attempts to make landraces more consistent, and sometimes a particular type has both landrace and formal breed populations. Sometimes a formalised breed retains a landrace name, despite no longer being a true landrace. When an animal landrace is codified as a pedigree breed without significant selective breeding to alter it, it is often referred to as a natural breed or traditional breed by breeder and fancier organisations. Similarly, the term traditional variety is sometimes applied to plant...

В наличии:
	Books.Ru - 1128 руб.	Перейти
Под заказ:
	OZON.ru - 1125 руб.	Перейти

Рейтинг книги: 5 из 5, 10 голос(-ов).