BIF Genetic Prediction: Genetic Evaluation at Neogen

John Genho
Neogen/GeneSeek

Genho works with American breeds and smaller breed associations to provide them with genetic evaluations. He implemented single-step BLUP to use genomic information.

Brangus and Santa Gertrudis have monthly genetic evaluations. Brangus has over 21,000 animals genotyped. Other clients range from 3,000 to 6,000 animals genotyped.

A lot of the problems with genomic prediction is having lots of animals in the pedigree, but with relatively small proportion of animals genotyped. However, Genho works with commercial ranches who have genotyped every living animal. This simplifies many of the struggles with single-step BLUP. Genho wonders what the next iteration of models will look like given the entire dataset is genotyped.

All of the American breeds have Bos indicus influence. However, there are very few pedigree connection between these breeds. Genho wonders if identifying marker effects that could be shared across breeds could be an opportunity to share data across breeds.

Agri Beef owns a Wagyu herd. They provide bulls to cooperating ranches. The cattle from these cooperating ranches go to cooperating feedlots. The feed cattle then go to a packing plant owned by Agri Beef. This means there is no barrier to data flowing from the feedlot and packing plant into the genetic evaluation. The Agri Beef genetic evaluation is not concerned about marbling score. They are more concerned with small flecks of marbling that are spread throughout the muscle.
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