Therefore, the rapid, sensitive and stable semi-nested PCR are the effective methods for detecting trace bovine and sheep derived materials in feedstuff.

该技术具有快速、灵敏和结果稳定的特点，是检测饲料中痕量牛羊源成分的一种有效方法。

youdao

The 9 microsatellite markers on chromosomes 1 were used to construct a linkage map of Liangshan semi-wool sheep with a 387 members half-sib pedigrees after paternity testing.

选择绵羊1号染色体上的9个微卫星标记，采用父系半同胞家系群体(共387个个体)构建凉山半细毛羊1号染色体遗传连锁图。

youdao

Most of the great sheep countries of the world are semi-desert. The ground around Bethlehem, for example, is brown and sunburned.

其实世界各地以牧羊著名的国家大多数是在半沙漠地区，例如伯利恒附近，便是一片干旱褐色之地。

youdao

Expect to meet the semi-nomadic Merak people, who hold deep animist beliefs and make their living herding sheep.

FORBES: Trekking In Bhutan

Their new 12-day trek is not a cushy luxury trip, but rather a high-altitude hiking adventure and a cultural adventure, since guests spend their nights camping in tents or staying in the homes of local villagers, including the semi-nomadic Merak people, who hold deep animist beliefs and make their living herding sheep.

FORBES: Trekking in Bhutan