Supporting pig performance during heat stress

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When temperatures rise, pig performance often drops. Roger Arentson explains how producers can use environmental controls, feeding strategies and products like Skycis to minimize losses and keep pigs growing efficiently through the summer.

The labels contain complete use information, including cautions and warnings. Always read, understand, and follow the label and use directions.

Skycis® (Narasin) Important Safety Information:

CAUTION:
Do not allow adult turkeys, horses, or other equines access to narasin formulations. Ingestion of narasin by these species has been fatal. Not approved for use in breeding animals because safety and effectiveness have not been evaluated in these animals.
Swine being fed with Skycis (narasin) should not have access to feeds containing pleuromutilins (e.g. tiamulin) as adverse reactions may occur. If signs of toxicity occur, discontinue use.
WARNING: No withdrawal period is required when used according to the label.

Skycis, Elanco and the diagonal bar logo are trademarks of Elanco or their affiliates.
©2025 Elanco or its affiliates.

Related Resources

Speakers

Roger Arentson

Swine Technical Consultant, Elanco Animal Health

Dr. Roger Arentson is a Swine Technical Consultant at Elanco Animal Health with advanced degrees in Animal Nutrition (M.S. 1990, Ph.D. 1993) from Iowa State University. Roger’s areas of interest include swine nutrition, pork production, nutrition research and growth and economic modeling.

Sarah Muirhead

Managing Director and Editor, National Hog Farmer

Sarah Muirhead is managing director of the Farm Progress Livestock Group, which brings together BEEF magazine, National Hog Farmer and Feedstuffs. She has more than 40 years of editorial and communication experience in the feed industry and animal agriculture. Sarah grew up directly involved in her family’s seed and pork production operation.

Skycis Detailer

Skycis Iowa Select Farm Trial

Skycis Label

Roger Arentson

Sarah Muirhead