Heat, humidity kill hundreds of US cattle during world's hottest month
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[August 07, 2023]
By Tom Polansek
CHICAGO (Reuters) - Hundreds of cattle died in Iowa from extreme heat
and humidity in late July, the state and livestock producers said, as
the world recorded its hottest month ever.
The deaths show the toll of severe weather on farm animals and food
production. The losses further trim the U.S. cattle herd, which is
already the smallest in decades after drought drove ranchers to
slaughter more cows due to a lack of pasture to feed them.
While not massive in number, producers said the recent deaths were
unusual. Cattle also died from heat in Kansas and Nebraska, state
officials said.
Iowa's Department of Natural Resources told Reuters it received a
request on July 31 "to dispose of approximately 370 cows that died due
to heat in western Iowa recently."
Gary Vetter, who raises cattle in western Iowa, said he worked to
protect local herds but about 53 cattle died at three of his neighbors'
feedlots during the last week in July.
"They just start dropping and there was nothing you could really do
about it," Vetter said. "I've never seen anything like it."
Heat is usually most dangerous for the heaviest cattle that weigh more
than 1,000 pounds (450 kg), but temperatures and humidity spiked so high
that even lighter 700-pound cattle died, Vetter said.
![](http://archives.lincolndailynews.com/2023/Aug/07/images/ads/current/beasonag_sda_FAIR_2023.png)
In Carroll, Iowa, near Vetter's farm, the heat index climbed to 117
degrees Fahrenheit (47 degrees Celsius) on July 28, the National Weather
Service said.
Two hundred miles away (322 km), in the northeastern Iowa city of
Riceville, Bob Noble said two of his cattle died in different pens, the
first deaths he has linked to heat in years. The 1,100-pound to
1,200-pound carcasses will be composted.
"They just couldn't handle the extra stress of the heat and humidity,"
said Noble, president of the Iowa Cattlemen's Association.
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![](../images/080723PIX/news_o39.jpg)
Cattle congregate in mid-day heat at a
pasture water pond near Gackle, North Dakota, U.S., July 30, 2021.
REUTERS/Dan Koeck/File photo
![](http://archives.lincolndailynews.com/2023/Aug/07/images/ads/current/debbiesfloral_lda_060123.png)
Iowa is the fifth largest cattle-producing state and had 630,000
cattle in feedlots on July 1, according to the U.S. Department of
Agriculture.
The USDA offers disaster assistance that may help compensate
producers whose cattle died.
Kansas received a request for disposal of 50 cattle due to heat
stress this summer, said Matthew Lara, spokesman for the Kansas
Department of Health and Environment. Last summer, the state had at
least 2,000 cattle deaths when an early June heat wave caught
producers off guard.
In Nebraska, phones started ringing at the state's Department of
Environment and Energy on July 26 or July 27, spokeswoman Amanda
Woita said. On the line were "informal phone calls from producers
who have experienced cattle deaths due to heat," she said, without
providing death tolls.
Nebraska feedlots house 2.3 million cattle, while Kansas feedlots
have 2.4 million cattle.
To prevent losses, Kansas State University in June updated an online
weather tool, Kansas Mesonet, to use National Weather Service
forecasts to predict comfort levels for cattle a week ahead of time.
Previously, the tool provided day-of weather data, said Christopher
"Chip" Redmond, a meteorologist and manager of Kansas Mesonet.
"By then it's too late," he said.
(Reporting by Tom Polansek; Editing by Marguerita Choy)
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