The determining factor that decides whether artificial breeding is successful or not depends on whether the correct amounts of feed is provided at proper times to maintain the normal functioning and metabolism of the digestion system 虾类人工繁殖成功与否，其最大关键就在此期内能否及时供给适当饵料，维持消化系统的正常代谢来决定。
This paper makes a review on the reproductive biology characteristics of grouper and on its current research situation in artificial breeding technology , meantime , puts forward the problems currently existing in research of artificial rearing 摘要就石斑鱼繁殖生物学特征以及人工繁育研究的现状进行了综述，并提出了当前人工繁育研究中存在的问题。
In the event of using wild the animals under domestication and artificial breeding and the plants under artificial cultivation , which enjoy the second - class national protection , and their products as health food raw materials , the applicant should provide the approval documents for the utilization issued by an agriculture ( fishery ) and forestry administration department above the provincial levels 使用人工驯养繁殖或人工栽培的国家二级保护野生动植物及其产品作为保健食品原料的，应提供省级以上农业（渔业） 、林业行政主管部门出具的允许开发利用的证明文件。
Both have been on the verge of extinction due to poaching and habitat fragmentation . in order to enlarge the population size and recover the wild populations , ex situ conservation strategy has been advocated by the governing agents in china through natural or artificial breeding in captivity 为了拯救此二物种，我国政府主管部门相继制定了人工易地保护的物种保护策略，以期通过人工圈养条件下的自然繁殖和人工繁殖，达到增加种群的数量，促进野生种群恢复之目的。
By the end of 1995 china had set up 175 zoological gardens and zoological exhibition sites in public parks , 227 artificial breeding centers for wild animals , more than 60 large botanical gardens and 255 wild plant gene and cell banks to ensure the continuation of rare and endangered species of plants and animals , including the giant panda , chinese alligator , chinese sturgeon , white - flag dolphin , manchurian tiger , crested ibis , cathay silver fir , dovetree , cycas revoluta and camellia chrysantha tuyama 到1995年底，中国共建动物园和公园动物展区175个、各种野生动物繁殖中心（场） 227个，建立大型植物园60多个、野生植物引种保存基地255个，使大熊猫、扬子鳄、中华鲟、白暨豚、东北虎、朱? 、银杉、珙桐、苏铁、金花茶等珍稀濒危动植物得到保护。
