“…Biotin, vitamin B7, is a significant vitamin for keratinization [ 19 , 30 , 61 , 73 , 75 , 81 ] and hoof integrity [ 26 , 75 , 81 , 93 , 118 , 128 ], which increases the importance of biotinidase, the enzyme responsible for recovery and recycling biotin [ 75 ]. This water-soluble vitamin [ 18 , 61 , 81 , 129 ], which is also called vitamin H [ 19 , 73 , 81 , 129 , 130 ], acts as a cofactor in gluconeogenesis, fatty acid, and protein synthesis [ 18 , 61 , 73 , 81 , 96 , 128 ].…”