What is Nitrate Poisoning?

Nov 30, 2020


Nitrate poisoning occurs when animals consume hay containing high levels of free nitrates. Under drought conditions, both sorghum X sudangrass hybrids and pearl millet have the potential to accumulate high levels of nitrates, especially if they have been fertilized with nitrogen.

Animals suffering from nitrate poisoning often exhibit labored breathing, muscle tremors, and staggering. Membranes of the eyes and mouth are bluish because of the lack of oxygen, and death can occur relatively quickly.

Prevention is key! Nitrate toxicity is the most common toxicity during a drought, and the chances for high nitrates are increased if the crop has been fertilized with nitrogen. Avoid fertilizing summer grasses with nitrogen if you don’t have adequate moisture for growth. Don’t cut or graze the crop until it starts to grow after a rain. If you have any suspicions that nitrate levels may be high, contact your local Extension office for information about getting forage tested for nitrate levels. Prevention is best — test your hay!
 

Read More News

Jul 13, 2026

The election of pork producer delegate candidates for the 2027 National Pork Producers (Pork Act) Delegate Body will take place at 9:30 a.m. (CST), Fri., July 31, 2026, in conjunction with an Executive Committee/Membership meeting of the Tennessee Pork Producers Association at the Drury Plaza Conference Room, 1874 McEwen Dr., Franklin, TN 37067. The 2027 National Pork Forum is scheduled for Arlington, TX, on March 3-5, 2027.  

Jul 08, 2026
Although many producers welcome warm, sunny conditions after a hard winter, the summer season can be stressful and challenging for our animals. While cattle and most other livestock do well under 68° F, periods of high humidity, reduced air movement, insignificant cloud cover, and little overnight cooling relief can lower productivity in your herd. There are several strategies that should be implemented to protect livestock during these conditions.
Jun 15, 2026
A water trough that is always full, stays clean, and keeps water at a comfortable temperature is an attractive offering to livestock. Especially during the summer months, it is important to encourage your animals to drink by preventing any water conditions that could turn them away, like stale and stagnant water or contaminants such as algae.