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Feed testing is probably one of the more important things you can do for your cows

Producers taking part in the Foraging into the Future Conference were reminded about the importance of feed testing. 

The nutrient content of feed will vary from year to year, field to field, species, climate conditions, fertilization, stage of maturity
when it was cut and processed, as well as storage management.

In order to balance rations for livestock it's key to know exactly what you're working with.

Livestock and Feed Extension Specialist Adriane Good says this is where a feed test can help.

"When we look at feed tests the things you're going to look for are crude protein and energy. There's a lot of different ways energy is measured, probably the easiest one for the average producer is total digestible nutrients (TDN). Then you're going to take a look at vitamins and minerals. Vitamins aren't going to be present on a feed test, but a lot of the minerals are. We just want to make sure we've got enough minerals, but also not too much of some."

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Methionine Requirements for Lactating Sows - Cierra Kozole

Video: Methionine Requirements for Lactating Sows - Cierra Kozole


In this episode of The Swine Nutrition Blackbelt Podcast, Cierra Kozole, PhD candidate in Swine Nutrition at the University of Guelph, explains how methionine supports lactating sows beyond milk protein synthesis. She discusses updated requirement estimates, source comparisons, methylation demand, and why modern sow genetics may require more precise amino acid strategies. Listen now on all major platforms!

"Methionine supports protein synthesis while also serving critical functions through methylation pathways that influence multiple biological processes."

Meet the guest: Cierra Kozole / cierra-kozole-772b64253 is a PhD candidate in Swine Nutrition at the University of Guelph in Canada. Her doctoral research focuses on refining estimates of methionine requirements for primiparous lactating sows, including evaluating methionine sources, nutrient partitioning, methylation reactions, and the links among amino acid supply, milk production, and sow protein retention. Learn more from Cierra Kozole on The Swine Nutrition Blackbelt Podcast, available on all major platforms.