ADSC 3300 Lecture 6: ADSC 3300 Lecture Notes 3:8
8 Mar 2017
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Document Summary
Vitamins are divided into two groups based on their solubility: lipid-soluble and water-soluble. Main problem is with vitamin a and d: composition, c, h, and o, synthesis in hindgut: only one made in animals is vitamin k (made in hindgut of non- ruminants and the rumen of ruminants) Fat-soluble: gene expression (vitamin a, hormone like activity (vitamin a, d, and k, anti-oxidant (vitamin e) Water-soluble: function as cofactors for enzyme reactions, pathways such as kreb cycle, glycolysis. The year they were isolated were in the late 20-40"s: this was a time when we were moving animals out doors to more confined housing (decreased sunlight, soils, etc. ) So we started to see vitamin deficiencies: synthesized usually came after the discovery. Factors: heat, light, oxygen, moisture, exposure to metals (fe, cu, zn) Vitamin requirements in the diet of the pig. Supplies the following per kg complete diet. *choline- difference in broilers and swine because broilers need it.
