The Holstein Friesian is an international breed or group of breeds of dairy cattle. It originated in Frisia, stretching from the Dutch province of North Holland to the German state of Schleswig …

2019年1月30日 · HF cows come from a region in northern Germany, while Friesians originally came from the Netherlands. The two breeds have been so commonly crossbred that the …

The Holstein Association offers dairy cattle identification, genetic evaluation, type evaluation, mating programs and inbreeding management programs to improve dairy herd management.

Holstein cattle are the most prominent of the seven major dairy breeds in the United States, easily recognizable by their distinctive black and white markings. Cows of Holstein descent make up …

全基因组关联研究确定了所有四个性状的标记-性状关联。 对于 HFN ( h 2 = .89)，确定了 6 个 QTL，其中包括 7B 染色体上的一个主要基因座，解释了 49% PVE 并将 HFN 减少了 44 秒。 …

2019年9月18日 · Today most of the dairies in India produce milk from cows like Gir, Jersey and HF cows (Holstein Friesian). Now we will know about the major difference between the Gir and …

2024年3月24日 · Also known as Holstein cattle, Friesian cattle, and Black and White cattle, pure H F cow breed is the best dairy breed in the world. The widespread distribution of HF cows …

Zeleny 沉降值 (ZSV) 和 Hagberg-Perten 下降值 (HFN) 是帮助确定小麦烘焙质量等级的最重要参数，从而影响种植者的经济效益。我们使用了已发表的 372 个欧洲小麦品种数据集，这些数据 …

2023年6月22日 · The results from this study provided new evidence and understanding about the genetic variants and genome regions affecting the three fertility traits in U.S. Holstein cows. …

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