ANSC 303 1st Edition Lecture 2Outline of Last Lecture I. What is Animal Nutrition?II. Efficiency of Animal NutritionIII. Importance of Animal NutritionIV. Animal Nutrition is Global V. Definitions VI. NutrientsVII. Physiological Functions Require NutrientsOutline of Current Lecture I. Why do animals digest food?II. Functions of Gastrointestinal System III. Basic OrganizationIV. You are what you eat…Current LectureI. Why do animals digest food?A. Ingested so the food can be broken down into something smaller and more manageableB. Food not ingested in a suitable stateC. Physical nature of feed determines:a Gathering apparatus:i. Mouthii. Teethiii. Jawiv. Tongueb Type of digestive system required for digestioni. Monogastric - increased variationii. Ruminent - most similar of the two II. Functions of Gastrointestinal SystemA. Gastrointestinal system is one of the most important parts of the immune systemB. DigestionThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.a Most of the time is spent hereb Enzymaticc FermentationC. AbsorptionD. Protective barrierE. Removal of undigested material and wasteF. Immunological functionG. MetabolismH. Endocrine (hormone)a Insulinb GlucodonIII. Basic OrganizationA. Arrangement of organs:a Mouthb Esophagus: transport from mouth to stomachc Stomach: primary differentiation between monogastric and ruminentsd Small intestinee Large intestinef AnusB. Size relates to functionC. Size matters!!D. Associated structures:a Salivary glandsb Pancreasc Liver: most pivitol for absoprtion and metabolismd GallbladderIV. You are what you eat…A. Looking at what animals eats gives nutritionists an idea of what the GI tract lookslikeB. Herbivoresa Consume only eat plant material b Ruminents allow for the fermentation of plant material C. Carnivoresa Only consume meatD. OmnivoresaConsume both meat and
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