【摘要】 1996年 10月～ 2 0 0 0年 4月对蓝黑头牡丹鹦鹉在室内笼养条件下的繁殖特性、雏鸟生长和恒温能力发育进行了研究。结果表明 :在我国室内控温笼养条件下 ,其繁殖无明显的季节性 ,平均窝卵数 5 5枚 ( 3～ 8枚 ) ,卵均重 3 84 7± 0 2 0 0g ,平均量度 :长径为 2 2 98± 0 70mm ,短径为 17 3 6± 0 40mm。孵卵期 2 2 0 1±0 84d ,孵化率 88 89%。育雏期 4 3～ 4 8d ,年繁殖力 19 5 6只 /对。体长、翅长及 3 1日龄前的体重增长均呈“S”型 ,3 1d后体重下降。恒温能力发育分为三个时期 :快速发育期 ( 1～ 15d)、缓慢发育期 ( 15～ 4 0天 )和恒温期 ( 4 0d以后 )。 2 0日龄前雏鸟体温在上下午之间无明显变化。更多还原

【Abstract】 From November 1996 to April 2000,observations on the breeding habits,growth and development of homeothermal ability of the nestling on the condition of artificial breeding of Agapornis fischeri were made.The results were as following.It can breed in any season.The average number of egg of 26 clutches was 5.5(3～8).Average weight of egg(n=32) was 3.847± 0.200 g(3.450～ 4.100 g),egg length (n=32) 22.98± 0.70 mm(22.00～ 24.35 mm)and bredth 17.36± 0.40 mm(16.69～ 17.84 mm).The incubation period was 22.010±0.844 days (20.630～23.625 days).The survival rate in incubation period was 88.89%,body weight at birth was 2.76± 0.04 g (2.72～ 2.77 g,n=21).The water loss in incubation was about 15.78%.the length of nursing period is about 43～48 days.The increase curves of the wing length and body length of nestling wore “S",the increase curve of body weight of the nestling in 31 days after birth were “S",the weight of 31th day nestling(47.557±1.079 g,n=12) was about 81.88% of the adult weight (58.08±12.59 g,n=10).The body weight of the nestling after 31 days reducted.The process of establishment of homeothermal ability involved 3 periods:①the rapid growth period (1～15 day);②the slower growth period (15～40 day);③the homeothermal period (after 40 day).更多还原