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Preparing to Deal With New World Screwworm: The Next Generation

By Abbey Canon

Biosecurity measures at this time should be monitoring and education; know which pigs have open wounds and monitor if they are not healing.

In 1976, some livestock producers in the Southwest were still struggling with infestations of New World screwworm on their farms, despite a USDA eradication program that had almost completely driven the parasite south out of the United States several years earlier. That year, Texas producers reported about 1.5 million cattle and 333,000 sheep and goats had been infested with NWS larvae.

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Genetics vs Genomics in Swine - Dr. Max Rothschild

Video: Genetics vs Genomics in Swine - Dr. Max Rothschild



In this episode of The Swine it Podcast Show Canada, Dr. Max Rothschild, Distinguished Professor at Iowa State University, explains how genetics and genomics have transformed swine production. He explores genomic selection, key gene discoveries, and the role of gene editing in improving disease resistance and productivity. Practical insights on litter size, meat quality, and industry adoption are also discussed. Listen now on all major platforms!

"Genetic improvement in swine production accelerated significantly once molecular tools enabled identification of DNA level variation influencing growth, reproduction, and meat quality across commercial populations."

Meet the guest: Dr. Max Rothschild / max-f-rothschild-b3800312 earned his PhD in Animal Breeding from Cornell University and has spent over four decades at Iowa State University advancing swine genetics and genomics. His research focuses on genetic improvement, disease resistance, and molecular tools for swine production. A leader in pig genome research, his work has shaped modern breeding strategies.