31/07/2025
โ 1 & 2 - Ammonium Propionate (buffered propionic acid) & Propionic Acid (more corrosive) are organic acids and the most common main ingredients in hay preservatives. Propionic acid was 1st registered as a pesticide in the early 1970โs. In a chronic feeding study using propionic acid, the high dose rats had hyperplasia, ulcers and other effects in the forestomach. Both can cause skin irritation, serious eye irritation, and respiratory irritation. Classified by the U. S. Food and Drug Administration as "generally recognized as safe" (GRAS) but is not authorized as a food additive in Europe.
โ 3 - Propylene Glycol is used in antifreeze and is classified by the U. S. Food and Drug Administration as "generally recognized as safe" (GRAS) for use as a direct food additive. It is prohibited for use in food for cats due to links to Heinz body anemia. Possible adverse reactions are: skin and digestive tract irritation, allergic reactions, potentially toxic to the kidneys and liver, neurological symptoms, cardiovascular problems, respiratory issues, potentially bio accumulative.
โ 4 - Ammonium Hydroxide is a colorless liquid chemical solution. It forms when ammonia dissolves in water and is found in many industrial products and cleaners. Some of these are flooring st*****rs, brick cleaners, and cements. Ammonium hydroxide is poisonous. FDA regulations classify ammonium hydroxide as safe (โgenerally recognized as safeโ or GRAS) at certain levels. Potential adverse reactions are skin irritation, serious eye irritation and respiratory irritation.
โ 5 - Food Dyes: Green No. 3, Yellow No. 5 and Blue No. 1 are commonly added to hay preservatives to present a fresh green appearance and improve marketability. These are carcinogenic.
๐๐ค๐ข๐ ๐๐ ๐ฃ๐ค๐ฉ ๐๐ก๐ก ๐ค๐ ๐ฉ๐๐๐จ๐ ๐ข๐๐ฎ ๐๐ก๐จ๐ค ๐๐๐ช๐จ๐ ๐๐ ๐ฉ๐ง๐๐๐ฉ ๐๐ง๐ง๐๐ฉ๐๐ฉ๐๐ค๐ฃ, being most noticeable to individuals who may have ulcers or a poor gut flora population.
Preservatives in hay can have an adverse effect on you and your horse's health. Learn what hay types are likely to contain preservatives and what the 5 common ingredients are๐ https://www.thehaypillow.com/blogs/news/hay-preservatives-5-ingredients-you-need-to-know-about
