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Course: AGC ANSC 102, Winter 2009School: Purdue
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Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
What You Must Know to Balance RationsMinimum daily requirements of the animal you are feedingoProtein Energy Vitamins Minerals Feedstuffs available to you Chemical composition of the feedstuffs as it relates to the animals you are feeding Expected feed
Purdue - AGC ANSC - 102
VitaminsVitamin A: Carotene Vitamin D: Most feeds are low in vitamin D. Must supplement in confinement. Vitamin E: Requirement is variable Vitamin K: Is produced in the gut B-vitamins: Generally added to pig and chick rations
Purdue - AGC ANSC - 102
Roughage FeedstuffDry roughages Pasture and green crops Silages Pasture hay and silage Contains more than 18% fiber Provides bulk in ruminant rations Legumes usually good source of protein
Purdue - AGC ANSC - 102
Mineral SourcesCalcium: steamed bone meal, ground limestone Phosphorous: bone meal, dical phosphate Sodium and Chlorine: common salt, iodized salt, trace mineralized salt Trace minerals
Purdue - AGC ANSC - 102
Feed AdditivesAntibiotics: Penicillin, Aureomycin, Terramycin Hormones (growth/ steroid) Antioxidants: Vitamin E Flavor agents
Purdue - AGC ANSC - 102
FocusQuestions:CyclesofMatterandEnergy1.Whatareheterotrophs?Autotrophs?Whatdistinguishesthem? Autotrophsarecapableofproducingtheirownorganicmoleculesfrominorganiccompounds. Theygettheenergytodosoeitherfromthesun(photosynthesis)ortheoxidationofinorganic c
Purdue - AGC ANSC - 102
ConcentratesEnergy feeds Protein Supplements Contains less than 20% protein and 18% fiber High in energy, low in fiber Protein quality is variable and generally low Low in Ca Corn, oats, barley, wheat, molasses are examples
Purdue - AGC ANSC - 102
6 Classes of NutrientsWater Fats Carbohydrates Protein Minerals Vitamins
Purdue - AGC ANSC - 102
Animal Health and Well BeingDr. Mickey A. Latour Purdue UniversityAnimal Health and Well Being Losses caused by animal disease ~ 15% in the U.S.Animal Health and Well BeingSome diseases can be transmitted between human and animal, called zoonoses.Di
Purdue - AGC ANSC - 102
Animal Environment and AdaptationDr. Mickey Latour Purdue UniversityAnimal Environment and Adaptation Performance and prediction of our domesticated animals are influenced by both genetics and environment.Animal Environment and Adaptation Animal prod
Purdue - AGC ANSC - 102
Animal Science 10-9-08A single layer hen consumes 185 grams of feed per day and there are 325 million layers in the US, then how many tons of feed are consumed by layers in the US in a single day? 325,000 x 185 454g/lb. 2000lb./ton = _56 lbs. in a bushe
Purdue - AGC ANSC - 102
Animal Science 9-30-08Poultry Production Most vertically integrated livestock industry Live I ProcessingChicksBroilersIProcessingSupermarket Layers Turkeys Ducks I I I Restaurant Economic advantages and CONSISTENCY Must be very good communication betwe
Purdue - AGC ANSC - 102
Animal Science 9-25-08 Artificial vagina has to be properly prepped: Size Temperature Birds only have one functional ovary: the left ovary Birds only lay 1 egg per day 300 eggs per year from the best birds Gonadotropin-releasing hormone (GnHR) Is prod
Purdue - AGC ANSC - 102
Animal Science 9-23-08 Cont.Sperm Production Scrotum-aids in sperm production by keeping the testicles 4-8 cooler than the body temperature Cremaster muscle-the muscle which allows the testicles to move closer to the body (cold weather) or away from the
Purdue - AGC ANSC - 102
Animal Science 9-23-08Reproductive Physiology The role of the male = less complicated than that of the female Whether boar to stallion, they must be able to: Produce ample amounts of viable sperm Be willing and able to deliver sperm Male reproductive sy
Purdue - AGC ANSC - 102
Animal Science 9-17-08Digestion Bile acids do two things: Emulsify fat into small particles and targeted for absoption A means for excretion of waste products (i.e. bliruben) Gall stones What are gall stones? Crystal-like particles that form in the gal
Purdue - AGC ANSC - 102
Animal Science 9-16-08There are 4 steps in digestion: Digestion Absorption Circulation of absorbed nutrients Cellular metabolismWhat are nutrients? Parts of food which provide for growth, maintenance, body functions Carbohydrates Fats Proteins Vitamins
Purdue - AGC ANSC - 102
Animal Science 9-11-08 Production goals of nonruminant animals Should have a high average daily gain (ADG) Should have a low feed conversion rate (FCR) o Amount of feed body weight Nutrition of Ruminants Nearly all the milk and 50% of the total meat con
Purdue - AGC ANSC - 102
Animal Science 9-9-08Minerals Inorganic Compounds No carbon which means that they dont burn like organic compounds commonly referred to as ash. Two types of minerals for diets (Macro and Micro): Micro Copper Iron Manganese Molybdenum Silicon Zinc Chromi
Purdue - AGC ANSC - 102
Animal Science 9-4-08Nutrition Nutrients are a food constituent that aid in the support of life There are six classes of nutrients:-Carbohydrates -Fats -Proteins -Minerals -Water -VitaminsCarbs and Fats = Energy Carbohydrates Proteins and Minerals = S
Purdue - AGC ANSC - 102
Animal Science 9-2-08Livestock Value Cattle and Calves = 41% During 1999 there were 6 billion people and by 2010 there will be approximately 7 billion Europe-.8% change Africa54% change The Hatch Act1887: establishment of research dollars for universitie
Purdue - AGC ANSC - 102
Animal Science 8-28-08Food the prima ry product of agriculture Natural Fibers-wool, cotton, and leather are also important products, valuable to society and the economy. Plant and Animal Productscereals, veggies, fruits, meat, etc. all provide nutrients
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102
Purdue - AGC ANSC - 102