Published at Saturday, July 21st, 2018 - 03:26:43 AM. . By Marquita Sanford.
Feeding Dogs Dairy Products! Whether or not dogs can eat dairy products such as milk, Yoghurt and cheese is one of the most commonly asked questions from new dog owners. Unfortunately there is no concise answer to this, since individual dogs vary. The most abundant sugar in dairy products is lactose, which is a disaccharide that consists of bonded galactose and glucose fragments and which requires an enzyme called lactase to be able to digest it. The enzyme cleaves the lactose molecule into its two subunits, the simple sugars glucose and galactose, which can then be readily absorbed. When a mammals body does not secrete the lactase enzyme from their intestinal villi, they are unable to digest lactose and may suffer from unusual digestive symptoms.
All mammals have high levels of lactase when they are young - they do, after all, drink their mothers milk. However, this ability to digest lactose generally decreases with age because most mammals do not drink milk in the wild after weaning. For example, there is decreased lactose tolerance in up to 75% of humans (this rises to 90% in some Asian and African countries). The amount of lactase present in the digestive system of any given dog is thought to vary as widely as it does in humans. Even lactose-intolerant dogs probably usually have small amounts of lactase activity in their gut. When there is insufficient lactase activity to process the amount of ingested lactose, the lactose is not broken down into its constituent components and is therefore not absorbed by the dogs intestine. When lactose is not absorbed by the body, unusual digestive symptoms can arise and the animal is said to suffer from \"Lactose Intolerance\".
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