搜索结果: 1-2 共查到“动物学 Australia”相关记录2条 . 查询时间(0.062 秒)
New research shows how songbirds island-hopped out of Australia
songbirds island-hopped out Australia
2016/9/12
While it is widely accepted that songbirds originated from the Australian continent, how and when they diversified and colonized the rest of the globe has remained a mystery.Researchers from the Unive...
Efficiency of Calf Production from Twin-bearing Beef Cows on an Intensive Pasture System in Subtropical Australia
Twinning Forage Intake Pastures Calf Growth Efficiency Beef Cattle
2016/4/20
Forty-two single-bearing and 42 twin-bearing mature Angus횞Hereford cows were allocated, seven per cell to 3 replications of 2 stocking rates (3.2 cows/ha; medium stocking rate [MSR], and 3.8 co...