By Christian Luckstadt
This compilation of papers from study institutes and the global animal foodstuff offers an summary at the use of acidifiers in animal food and their worthwhile results on farm animals and aquaculture.
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Additional info for Acidifiers in Animal Nutrition: A Guide to Feed Preservation and Acidification to Promote Animal Performance
Consequently, both nutritionists and feed manufacturers have been challenged to search for new, “safe” alternative growth promoters. Particular attention has been paid to organic acids, which are widely distributed in nature as constituents of plants, animal tissue or common metabolites of microbial fermentation in the digestive tract (Partanen and Mroz, 1999; Mroz, 2003). They are considered to be weak acids containing up to seven carbon atoms, such as formic, sorbic, citric, propionic, fumaric and lactic acid (table 1).
Organic acids can also stimulate the exocrine pancreatic secretion of enzymes and bicarbonate, assisting fat and protein digestion. Additionally, at lower gastric pH conditions the proliferation and/or colonization of undesirable microbes in the gastro-ileal region are inhibited. This effect has been referred to as the ‘bacteriocidal’ or ‘bacteriostatic’ effect of organic acids (Partanen and Mroz, 1999). Such activity is specific towards certain bacteria only, as the development of beneficial bacteria, such as lactobacilli spp.
The treatments included a basal diet as negative control and a diet supplemented with 3 kg/t inorganic acid blend on the other hand. Each pen held 10 piglets, with 3 replicate pens per treatment. The experiment lasted for 28 days. 6m, and faced in the same direction to avoid climate factors that could influence piglet performance. All pigs had ad libitum access to feed and water in each pen. The second trial was run at Tan Trung farm, belonging to the Saigon Agriculture Corporation, and examined the effects of the inorganic acidifier fed at a lower inclusion rate of 2 kg/t, against a commercial piglet diet.
Acidifiers in Animal Nutrition: A Guide to Feed Preservation and Acidification to Promote Animal Performance by Christian Luckstadt