%0 Journal Article
%T OPTIMIZATION OF THE AGE-SEX DISTRIBUTION OF TIBETAN SHEEP POPULATION AND THE CORRELATED SLAUGHTER PROGRAM<br>海北藏系绵羊种群结构及其出栏方案最优化的探讨
%A Dong Quan
%A <br>董全
%J 生态学报
%D 1984
%I 
%X It is one of the most important ways of managing animal production to ocntrol the population age-sex distribution.At present, the population age-sex distribution of domestic sheep in China is not rationally controlled for economic benefit and ecological efficiency.In studying the population age-sex distribution of the Tibetan sheep,the system analysis method was used and a matrix model was set up to discuss the state of the population age-sex distribution:In this formula. AN represents the natural tendency ...
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=E0E6306B11A3DE8413647D261AB12E3F&yid=36250D1D6BDC99BD&vid=E158A972A605785F&iid=0B39A22176CE99FB&sid=847B14427F4BF76A&eid=FCD27DC5E1F2EEE7&journal_id=1000-0933&journal_name=生态学报&referenced_num=0&reference_num=0