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Animal Health

All Animal Health Content

small group of cattle and a young calf being moved away from a flooded area. FEMA News Photo

Managing Cow/Calf Pairs With Excess Spring Moisture

Flooding, blizzard conditions and excess snow can wreak havoc on livestock producers. While there is little one can do to stop the melting snow and rising waters, we can try to manage around the water by preparing alternative livestock and feeding areas.

Several young swine in a feeding facility.

Register Now for Concentrated Animal Feeding Operations Training on December 7

November 22, 2022

An environmental training session for operators of Concentrated Animal Feeding Operations (CAFOs) will be held Dec. 7 at the Crossroads Convention Center in Huron.

An ear of corn in a field with visible white mold on the tip of the ear.

Can Livestock Utilize Moldy Grain?

While livestock producers know that moldy grain and forage are not ideal feedstuffs, they also know that stored feed occasionally contains a small amount of visible mold, and that their animals consume it with no obvious adverse effects. The question arises, how much mold is too much for a feed to be unsuitable for animals?

From left: Meadow deathcamas in a South Dakota prairie rangeland. Silvery Lupine in a rangeland in South Dakota.

Poisonous Plants on Rangelands: Deathcamas and Lupine

With prolonged drought conditions throughout many areas of South Dakota, there is an increase of invasive weeds and poisonous plants on rangelands. Identification of poisonous plants is crucial to ensure livestock production is not compromised.

Three poisonous rangeland plants. From left: Hemlock, Halogeton and Buffalo Bur.

Poisonous Plants on Rangelands: Hemlock, Halogeton and Buffalo Bur

Several species of poisonous plants are invasive and can easily establish dense stands when there is a disturbance on rangelands. Hemlocks, halogeton and buffalo bur can all be found throughout South Dakota and are toxic to livestock.

Two poisonous rangeland plants. Left: Woolly Locoweed.  Right: Lambert Crazyweed (Purple Locoweed).

Poisonous Plants on Rangelands: Locoweed and Crazyweed

Locoweed and crazyweed are found throughout South Dakota rangelands, and both can cause livestock poisoning.The names locoweed and crazyweed are often used interchangeably. However, there are notable differences between the species.

Low larkspur and twogrooved poisonvetch plants growing in rangeland.

Poisonous Plants on Rangelands: Larkspur and Poisonvetch

Larkspurs are the second leading cause for all livestock deaths from toxic plant poisoning. Poisonvetches are considered accumulator plants that uptake excessive levels of selenium and cause toxicity problems in cattle.

Young, black calf being bottle fed in a pen.

Managing Orphaned Calves

With careful management and proper nutrition, calves orphaned by challenging winter weather can perform similar to calves still on the cow.

A small herd of cattle grazing on green pasture.

Protein Supplementation Options With Grazing Cattle

COVID-19 and the energy economy has had a dramatic negative impact on the ethanol industry, resulting in limited availability of corn distiller’s grains. This has changed availability and pricing of protein feeds.

Pieces of net wrap and forage wadded up together, with a nob approximately 6 inches across at the top and 4 inches long, with a 1 inch rope like structure that is 13 inches long leading to another nob that is approximately 2 inches across and 8 inches long.

Summary of Forage Binding Survey and Current Net Wrap Research

Recently, cattle producers and veterinarians have become more concerned with the possible ingestion of net wrap or twine from hay bales and the negative impacts it could have on cattle health and performance.