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- Breeding bird of Parent generation 父母代种鸡
- Immune experiment of parental breeding birds and commercial chickling were studied in this experiment. 摘要试验对患沙门氏菌病的父母代种鸡和商品代雏鸡进行了免疫试验研究。
- Among 55 species of breeding birds,38 species(69.1%) are Palaearctic ones,indicating that Palaearctic species is the major component in the avifauna. 55种繁殖鸟类中古北种有38种;占繁殖鸟总数的69.;1%25;区系上明显以古北界成分为主。
- Among breeding birds, the rate of the Palaearctic species and Oriental species is 1: 3.87, which showes more characseristics of Oriental realm. 在繁殖鸟中古北界种类与东洋界种类之比为1:3.;87,偏重于东洋界。
- The composition of avifauna is mostly Oriental species. 292 Oriental species account for 83% of breeding birds in the area. 区系成分以东洋界物种为主,有292种,占繁殖鸟类总种数的83%25。
- Among 74 species breeding birds, 58 species (78.4%) are Palaearctic species,8 species(10.8%) Oriental species and 8 species(10.8%) cosmopolite species. 74种繁殖鸟中古北种58种(78.;4%25)、东洋种8种(10
- The penguin is a flightless bird. 企鹅是一种不会飞的鸟。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- The bird flapped its wings and flew away. 那鸟振翅飞去。
- Key techniques for increasing artificial insemination rate of breeding bird 提高种鸡人工授精率的关键技术
- The islanders are a strong breed of people. 这些岛上的居民是一种体格强壮的人。
- The bird is building a nest of straw and twigs. 这只鸟在用稻草和小树枝筑巢。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The bird caught a bug on the fly. 那鸟在飞行中捉住了一只昆虫。
- The bird settled on the topmost bough. 这只鸟儿在最高的权枝上停了下来。
- Measures of Inspecting and Cleansing Epidemic Diseases in Breeding Bird Farm 种鸡场疫病监测净化措施
- Of this breed we can make short shrift. 这个品种,我们能很快解决。
- I asked him for some money and got the bird. 我向他借些钱,但是碰了钉子。
- I saw the bird at the very top of the tree. 就在那棵树顶上我看到那只鸟。
- The bird flies out when he opens the window. 当他打开窗户时鸟就飞出去了。