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Open AccessArticle by Dalton Obermier 1, Melanie Trenahile-Grannemann 1, Ty Schmidt 1, Tom Rathje 2 and Benny Mote 1,* 1 Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE 68588, USA 2 DNA Swine Genetics, 2415 13th Street, Columbus, NE 68601, USA * Author to whom correspondence should be addressed.
By Dalton Obermier – University of Nebraska, PhD student in breeding and genetics Pigs/sow/year (PSY) or pigs weaned/mated female/year are common benchmarks that define sow efficiency. Toward the top of the list of constraints producers face in maximizing those traits are piglet mortalities. In years past, genetic selection has focused on production traits, such as litter size at birth, resulting in an increase in both total number born (TNB) and number born alive (NBA).
By Mark Knauer, Dalton Obermier and Zack Peppmeier, North Carolina State UniversityThe show pig sector of the swine industry is often thought to be quite different than modern commercial production. While show pig breeders tend to focus on the appearance of an animal, swine geneticists focus on selecting for traits of economic importance. Hence, in theory, modern commercial genetic lines should have superior economic value when compared to show pig genetics.
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