digestion and examples

protein: digested in stomach and duodenum by protease enzyme. breaks peptide bonds between plypeptide chains to form amino acids whcih are absorbed in the jejunum.

examples:

Chicken meal

Soya bean meal

Fish meal

Dried egg

Sunflower meal

Starch and sugar: starch - storage polysaccharide. 4+ monosaccharides joined together. sugar - mono or disaccharide. Digestion starts in mouth with amylase in saliva. digestion halted in stomach due to low pH (1-2). digestion continues in duodenum by amylase which breaks down polysaccharides into smaller chains and monosaccharides which are then absorbed in the jejunum as monosaccharides.

examples:

Micronised maize

Oats

Barley

Wheat

Micronised peas

Fats/oils: digestion begins in duodenum by lipase enzyme. Fats are also emulsified by bile produced by the liver and released from the gall bladder where it’s stored. This increased the surface area for faster digestion.

Examples:

Fibre: structural polysaccharide. Present in plants with high lignin content. Digestion occurs in

into volatile fatty acids (butyric, propionic, acetic) which are absorbed in the large intestine

Examples:

Alfalfa chaff

Oat straw

Oat feed pellets

Alfalfa pellets

Sugar beet

Soya bean hulls