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A feed additive is an additive of extra nutrient or drug for livestock. Such additives include vitamins, amino acids, fatty acids, minerals, pharmaceutical, fungal products and steroidal compounds. The additives might impact feed presentation, hygiene, digestibility, or effect on intestinal health. [1] [2]
Insulin from cattle and pigs has been used since the 1920s, and was the predominant form of insulin used for decades. The first synthetic human insulin was created using bacteria in 1978. [ 10 ] In the United States, the manufacture of beef insulin was discontinued in 1998, and the manufacture of pork insulin was discontinued in 2006.
Alfacalcidol (or 1-hydroxycholecalciferol) is an analogue of vitamin D used for supplementation in humans and as a poultry feed additive. Alfacalcidol has a weaker impact on calcium metabolism [ 3 ] and parathyroid hormone levels [ 4 ] than calcitriol ; but significant effects on the immune system , including regulatory T cells . [ 5 ]
nitarsone – feed additive used in poultry to increase weight gain, improve feed efficiency, and prevent histomoniasis (blackhead disease) nitenpyram – insecticide; nitroscanate – anthelmintic used to treat roundworms, hookworms and tapeworms; nitroxynil – anthelmintic for fasciola and liver fluke infestations; nystatin – antifungal
The compound is variously known as vitamin K 3 [7] and provitamin K 3. [8] Proponents of the latter name generally argue that the compound is not a real vitamin due to its artificial status (prior to its identification as a circulating intermediate) and its lack of a 3-methyl side chain preventing it from exerting all the functions (specifically, it cannot act as a cofactor for GGCX in vitro ...
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Biodyl is formulated as a powder to be given in water, and as an injectable solution. The injectable solution is given under the skin, in the muscle, or in a vein, depending on the species of animal. [1] Its intended uses include reducing physiological stress such as due to being transported, and preventing azoturia in performance animals.
The Marburg virus, which causes bleeding from the eyes, nose, and mouth, can be fatal in up to 90% of those infected