Wang, Jianchang
Liu, Libing
Li, Ruiwen
Wang, Jinfeng
Fu, Qi
Yuan, Wanzhe
Funding for this research was provided by:
Science and Technology Project Foundation of Animal Husbandry Bureau, Hebei Province, P.R. China (2014-3-03)
Article History
Received: 15 November 2015
Accepted: 19 December 2015
First Online: 5 January 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.