COMPOSITION OF COW’S MILK

COMPOSITION OF COW'S MILK

COMPOSITION OF COW’S MILK   Defination = Cow’s milk composition can vary widely between different breeds and during different stages of lactation. In the first few days after birth, a special type of milk  colostrum is excrete which is rich in fats and protein. Colostrum also contains important infection – fighting antibodies which strengthen the immune system of the young mammal. coleastrum also provide energy to youn one for his daily growth and fulfill the daily energy requirement of young one of animal . it is important to give colestrum to new born calf within 30 minutes to 60 minutes .COMPOSITION OF COW’S MILK

COMPOSITION OF COW'S MILK

  1. Water=All milk produced by animals contains carbohydrate, protein, fat, minerals and vitamins but the major component is water. Water Cow’s milk contains a similar amount of water to human milk around 87 percent
  2. CARBOHYDRATE=The major carbohydrate in mammalian milk is a disaccharide (or sugar) called lactose. For lactose to be digest it must be broken down in the intestine by the enzyme lactase to its compone nt monosaccharides glucose and galactose. Glucose can then supply energy to the young animal

COMPOSITION OF COW'S MILK

  1. PROTEIN =Protein provides energy and is require for the growth and repair of tissue such as skin and muscle. Caseins are the primary group of proteins in cow’s milk, making up around 80 percent of the total protein content in milk of cow .
  2. FAT=The principal fat in milk is a complex combination of lipids  triglycerols (esters of three fatty acids with one molecule of glycerol). There are more than 400 fatty acids in cow’s m ilk ranging in carbon atom chain length. Fatty acids are describe as saturate or unsaturate depending on the amount of hydrogen in the carbon chain of the molecule; milk contains both saturate and unsaturate fatty acids in it .
  3. MINERALS AND VITAMINS =Mineral s found in cow’s milk include sodium, potassium, calcium, magnesium, phosphorus and chloride, zinc, iron (although at extremely low levels), selenium, iodine and trace amounts of copper and manganese in it . Vitamins in cow’s milk include retinol, carotene, vitam in E, thiamin, riboflavin, niacin, vitamin B6, vitamin B12, folate, pantothenate, biotin, vitamin C and trace amounts of vitamin D in it.
  4. FIBRE= Milk contains no dietary fibre  in it.

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