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Do We Still Need The AM-PM Rule?

For over a half century, dairy producers have been indoctrinated in the use of the AM-PM rule for AI 12 hours after being observed in estrus.  If a cow is seen in estrus in the AM, she should receive AI that PM, and conversely cows seen in estrus in the PM should receive AI the following morning.

Written by UW-Extension St. Croix County Agriculture Agent Ryan Sterry, Do We Still Need the AM-PM Rule factsheet describes the research that determined the AM-PM rule and the impact it has on today’s herd.


Source:uwex.edu


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How Swine Nutrition Can Revolutionize Biogas Production - Dr. Felipe Hickmann

Video: How Swine Nutrition Can Revolutionize Biogas Production - Dr. Felipe Hickmann


In this episode of The Swine it Podcast Show Canada, Dr. Felipe Hickmann from Laval University explores how nutritional strategies and manure management impact biogas production in pig farming. He breaks down the science behind anaerobic digestion at low temperatures and explains how dietary adjustments affect methane production and environmental sustainability. Learn how producers can reduce emissions and improve resource efficiency. Listen now on all major platforms!

"Lowering crude protein can reduce nitrogen in manure, but only if animal intake doesn’t compensate by increasing feed consumption."

Meet the guest: Dr. Felipe Hickmann / felipe-hickmann-963853a6 is a PhD research assistant at Laval University, specializing in swine and poultry sustainability. With extensive experience in manure management, nutritional strategies, and precision livestock technologies, he contributes to improving environmental outcomes in animal agriculture.