Data/hora: 10/06/2024 19:07:32

Provedor de dados: 	Revista Brasileira de Zootecnia	
País: 	Brazil	
Título: 	Breeds in danger of extintion and biodiversity	
Autores: 	Blasco,A.	
Data: 	2008-07-01	
Ano: 	2008	
Palavras-chave: 	Biodiversity; Endangered Breeds; Conservation programs.	
Resumo: 	Some arguments currently used to support breed conservation are examined. The central point is that we cannot conserve all breeds because we do not have financial resources enough to keep everything (mainly in developing countries) and in many cases we do not have special reasons to conserve breeds. A breed is a human product and it should not be confused with specie. A breed can be generated or transformed. We can create synthetic breeds with the best characteristics of several breeds. Selection is not exhausting genetic variability (there are several experiments showing that), and genetic variability within breeds is large. We need reasons to keep breeds in danger in extinction. A breed is a tool, and we can decide to keep it when it is useful because it is specially adapted to some environments (although in this case it should not be in danger of extinction), it can be useful in crossbreeding to shorten the way of obtaining response to selection, or it has some extreme values for traits that may be useful in the future (in this case we have to define clearly which traits and how we expect the future to be). We can add cultural reasons when we have money enough to spend in culture.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982008001300012	
Editor: 	Sociedade Brasileira de Zootecnia	
Relação: 	10.1590/S1516-35982008001300012	
Formato: 	text/html	
Fonte: 	Revista Brasileira de Zootecnia  v.37 n.spe 2008	
Fonte: 	info:eu-repo/semantics/openAccess