Bonasa bonasia eggs were artificially incubated.The results showed that the temperature of 37.5-38℃(slightly lower temperature in the late stage),the relative humidity of 55%-60%in the middle stage and 60%-70%in the ...
Supported by Leading Project of Fujian Provincial Department of Science and Technology(2019Y6005);Innovation Fund Project of Fujian Provincial Department of Science and Technology(2018C0041)
[Objective]The paper was to study the effects of lactobacillus microecologics on production performance,immune function and intestinal microflora of egg chicks.[Method]Totally 18001-day-old chicks of Hyline brown were...
Supported by the Earmarked Fund for National Waterfowl-industry Technology Research System(CARS-43-2);National Supporting Projects for Science and Techniques(2012BAD12B10);Special Project for International Science and Technology Cooperation(2013DFA31880)
Birds' selection on increase of egg's mass resulted in changes in the ratio of egg components. In this regard, now selection on improvement of eggs' quali- ty became one of the most important directions of selectio...
Supported by National Science and Technology Support Program (2012BAD39B04-3);Yangzhou city societal development item (YZ2010080)
[Objective]In order to compare the general egg qualities and mineral element contents of different layers,six commercial breeds in brown shell layer,including Lohmann,Jinghong,Hyline,Xinyang,Hisax,ISA,Suqing green she...
supported by the grants from the Earmarked Fund for Modern Agro-industry (Layer Industry) Technology Research System (nycytx-41-g19);the National Key Technology R&D Program (2008BAD2B06)
[ Objective] To observe biological characteristics of brown-egg dwarf layers. [ Method ] Physiological and biochemical indicators of brown-egg dwarf layers were determined at the age of 20, 40 and 60 weeks, respective...
funded by the Key Scientific and Technological Project of Henan Province ( 082102130002)
[ Objective] To investigate the effects of Newcastle disease vaccination and lead exposure on growth and development of egg yellow feather quail. [ Method] Ninety 14-day-old quails were assigned randomly to 10 groups ...
supported by Science and Technology Achievement Transformation Projects of Henan Province (0722011120002)
[ Objective] To investigate the effects of traditional Chinese medicine compound preparation on serum biochemical indexes and egg nutri- tional quality of laying hens. [Method] A total of 1 200 chickens at the age of ...