Holstein is a world-famous breed of large dairy cows, with high milk volume, good comprehensive production performance and strong adaptability, and is currently the highest milk producing dairy cow breed. TPI is a comprehensive selection index for the genetic evaluation of Holstein cattle in dairy cattle breeding in the United States, and higher values indicate better genetic performance of cattle.
With the support of strong breeding technology, a breeding bull 551ho04170 (dykstra) tpi (verified comprehensive breeding value) value of 551ho04170 (dykstra) bred by Youran Dairy Saikexing in the United States joint venture station is +2908 ("+ means that it has a positive effect on the performance of offspring), and its TPI value ranks 54th in the global list of verified bulls recently released by the Holstein Society in the United States. This bull is also an A2 type bull that can be used to select cows from offspring to produce A2-casein specialty fresh milk, which has a breeding value of +1639 lbs and a proven milk yield of up to 137 tons, excellent breeding performance, is a rare all-round excellent breeding bull.
551ho04170 breeds of bulls bred by Youran Dairy Saikexing.
It is worth mentioning that in April this year, Youran Animal Husbandry Saikexing successfully bred a breeding bull that ranked 35th in the United States genome ranking in the same period and ranked first in China, creating a historic breakthrough for Chinese breeding cattle on the international stage. In recent years, Youran Animal Husbandry Saikexing has successively bred 3 top 100 breeding bulls in the world for TPI genetic evaluation, and has the technology and ability to continue to breed top 100 breeding bulls, helping China's "seed industry revitalization"!