Identifying Fish Digestion and Feeding

What are the parts of the fish digestive system? The digestive system is similar to other animals. Size and shape of each component of the system will vary with the type of fish and its diet. Carnivores Fish that eats meat. Have a large stomach and short intestines.

What does a feed label tells us? Net weight Product name Brand name Guaranteed analysis Drug additives www.ag.ohio-state.edu/~4hansc/ 2000minumumteachingrequirenmen...

What must the guaranteed analysis section contain? Minimum % of crude protein Maximum & minimum % of protein from non-protein nitrogen Minimum % of crude fat Maximum % of crude fiber Minimum and maximum % of salt and calcium Minimum % of phosphorus Other minerals Vitamin content

What must be included on label if feed has drugs in it? The word “medicated” Purpose of medication must be stated. Directions and precautions for medication. Listing of all active drug ingredients. www.gardenponds.com/fish.htm

What are the parts of the fish digestive system? Parts include: Mouth Teeth Tongue Branchiospines Esophagus Stomach Intestines Anus

What are the parts of the fish digestive system? Mouth Entry point of system. Carnivores mouth Have many teeth that point inwards. Not used for chewing. Used to capture and hold prey. Other fish Few or no teeth. www.vrmlsite.com/dec96/spot5.html

What are the parts of the fish digestive system? Tongue Helps move food around in the mouth. Branchiospines Act as filters to capture small food from water as the fish swims. Part of the gill structure that helps fish swim. Esophagus Short tube that connects mouth to stomach.

What are the parts of the fish digestive system? Stomach Organ where digestion begins. Some stomachs will expand greatly. Allows them to eat large quantities of food. Other stomachs are small that will accommodate small amounts of food. Some fish have almost no stomach. Esophagus connects directly to intestines.

What are the parts of the fish digestive system? Intestines Site of food digestion and nutrient absorption. Anus Exterior opening of system. Unused food and wasted material is exited. www.mariner.org/library.html

What does a feed label tells us? Fish farming utilizes prepared feeds. A feed that is produced by a feed mill and then sold in bags or bulk. Required to have a label.