There may be more than 1000 breeds of cattle around the world. Many of these breeds are used for milk production, along with other purposes. However, there is a subset of these breeds that are specifically bred for milk production. Many, though not all, of these breeds are prevalent in ...
Scottish highland cattle Bos taurus taurus. Old breed of cattle from Scotland with long fur. Herbivores ungulates and gregarious animals.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先
(PCR-RFLP) technique to screen for DNA polymorphisms of the leptin gene in 403 cattle belonging to various breeds of Bos indicus (Hariana, Sahiwal, Gir and Nimari cattle), Bos taurus (Holstein Friesian (HF) and Jersey cattle) as well as Bos taurus x Bos indicus crossbreds (陆 HF x 陆...
Response of Bos taurus cattle to fescue toxicosis and heat stress comparing differences by region and breedAnimal sciencesAnimal diseases Response of Bos taurus cattle to fescue toxicosis and heat stress comparing differences by region and breed UNIVERSITY OF MISSOURI - COLUMBIA Don Spiers Johnson...
1983 to 1997 in three large scale farms (Ngongogeri, Tatton Demonstration Unit - TDU and Laikipia) belonging to Egerton University, Njoro, Kenya were used to estimate the productive and reproductive performance of the Friesian (F), Ayrshire (A), Guernsey (G) and Jersey (J) cattle breeds. ...
Using these datasets with high power and dense mapping resolution, GPSM detected a total of 294 unique loci actively under selection in two cattle breeds. We observed that GPSM has a high power to detect selection in the very recent past (< 10 years), even when allele frequency changes ...
DNA samples were collected from 540 animals belonging to four breeds of riverine buffalo (Bubalus bubalis), three breeds of Indian zebu cattle ( Bos indicus) and three synthetic cattle breeds (Bos indicus x Bos taurus). PCR-RFLP with Cfr I restriction enzyme was performed to detect polymorphism...
Cattle Breeds of cattleAberdeen Angus, Africander, Alderney, Ayrshire, Blonde d'Aquitaine, Brown Swiss, Belted Galloway, cattaloorcatalo, CharolaisorCharollais, Devon, dexter, Durham, Friesian, Galloway, Gelbvieh, Guernsey, Hereford, Highland, Holstein, Illawarra, Jersey, Kerry, kyloe, Limousin, long...
Taurine cattle (Bos taurus taurus) 这种牛也是近东地区驯化的,从野牛aurochs (Bos primigenius) 驯化而来。一万多年前开始驯化,驯化过程持续了大概1.5千年,地点在Levant、中部安纳托利亚、西部伊朗范围内。...
Inbreeding and population dynamics of the Chillingham cattle (Bos taurus), (1988). Journal of Zoology London, 216:479-493.Hall S.J.G., Hall J.G. 1988. Inbreeding and population dynamics of the Chillingham cattle (B. taurus) // J. Zoology. Vol. 216. P. 479-493....