摘要
利用人工繁殖的 9月龄扬子鳄 480 1条 ,分三批作不同方法的对比试验饲养和越冬处理。结果得出 :采用按不同体长大小分开放养、投喂较多混合饲料和依据温度决定投食情况 ,加上适当的越冬处理等方法 ,能有效地提高 9~ 2 0月龄幼鳄的成活率 ,成活率达 90 %以上 ,并使幼鳄生长加快。其中采用 10月中旬将幼鳄抓回越冬和越冬中以贮水方式补充鳄水分的处理 。
WT5”BZ]:Hatchlings of Alligator sinensis that their age was nine months and numbers were 4 801 were divided into three groups for a comparative test of their rearing and spending winter with different methods.These methods included that hatchlings were breeded separately depending on different size of their bodies,and fed mostly on mixture feed including several sonts of food,and given food depending on natural temperature,and conducted suitable measures in spending winter.These were able to raise effectively the survival rate of hatchlings aged from 9 months to 10 months,Which was over 90%,and promote growth of hatchlings.During artificial spending winter of alligators,it was marked to decrease death numbers of hatchlings that hatchling were removed from pool outdoor to subterranean in mid october and kept their bodies humidity by means of water deposit in trough.
出处
《动物科学与动物医学》
2000年第6期30-32,共3页
Animal Science & Veterinary Medicine
关键词
扬子鳄
幼鳄
成活率
饲养
Alligator sinensis
hatchling
survival rate
studiT