Difficult Year For Weed Control

Sep 07, 2021

2021 was a difficult year for weed control.

Kim Brown-Livingston is the province's weed specialist.

"We were so very dry at the beginning. We didn't have a lot of weeds come up and then after that we got little flushes of rain and so some of the weeds were coming but it was really difficult for guys to spray...Then we had a terrible time in spray season. We did not have a lot a good days for spraying. We either had high winds or we had a lot of temperature extremes."

She reminds farmers to be on the lookout for waterhemp.

"We are finding pockets of it and it is a Tier 1 noxious weed. It must be destroyed, we can't let it go to seed. It has to be destroyed, there's no exception to that. These are terrible weeds. Tier 1 weeds are very competitive weeds that can cause an awful lot of economic loss and especially something like a waterhemp if it gets into our crop land and really limits growing crops like soybeans and corn and sunflowers, because a lot of our herbicide options are limited in those crops."

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Video: What Happens When Pigs Adapt to High Soybean Meal Diets? - Gustavo Lima

In this special rerun episode of The Swine Nutrition Blackbelt Podcast, Gustavo Lima, PhD candidate in Animal Science at Iowa State University, discusses how grow-finish pigs respond to high soybean meal diets. He explains the initial drop in feed intake, changes in backfat, later adaptation, energy efficiency, amino acid utilization, and the rise in nitrogen excretion at higher inclusion levels. Listen now on all major platforms!

Click here to read the full research article: https://academic.oup.com/jas/article/...

“Once they got adapted to the diet, they can handle higher levels of inclusion of soybean meal.”

Meet the guest: Gustavo Lima / gustavo-lima-a9867127 is a PhD candidate in Animal Science at Iowa State University whose work focuses on swine nutrition, ingredient characterization, energy metabolism, caloric efficiency, and applied data analysis. With more than 15 years of experience in swine production across Latin America, Gustavo also brings expertise in environmental control, performance evaluation, barn ventilation, and grow-finish housing. Learn more from Gustavo Lima on The Swine Nutrition Blackbelt Podcast, available on all major platforms.