AVS 355 Equine Nutrition

AVS 355 Equine Nutrition - AVS 355 Equine Nutrition...

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AVS 355 Equine Nutrition September 26, 2006 Never Ever Feed 1. Grain commodities 2. 4- Way – especially on the west coast 3. A and M 4. psyllium as a preventive 5. 100% alfalfa 6. rice bran as the only concentrate Nutrient Requirements and Industry Standards I. National Research Council a. Nutrient Requirements for horses, study in 1989 II. Research and practical applications by equine nutritionists a. Only 125 Nation wide nutritionists, very small amount practicing not more than 15 b. Equine Nutritionist – one who is trained in the sciences III. Industry Practices a. Cause of misinformation, what people do IV. NRC Subcommittee that put together nutrient requirements a. Ed Oh = U of Fl b. John Baker = U of Ky c. Gary Potter – A and M d. Howard Stowe – MSU e. Duane Ullrey – MSU f. Harold Hintz – Cornell V. Feeding Horses a. Fundamentals i. Body Weight ii. Condition Score iii. Feed Labels – what is the primary sources iv. Identifying energy demands VI. Standards for Production a. Maintenance – no or little work i. Most pleasure type horses ii. Non competing horses iii. Minimal feed requirements b. Growth – growth is not consistent i. Suckling ii. Weanling (4-6 months) iii. Yearling iv. Long yearling (18 months) v. Two year olds
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vi. > two year olds vii. Feed different at each growing stage c. Reproduction i. Stallion 1. Seasonal 2. non-seasonal 3. Increase feed demands during breeding season depending on number of mares being bred ii. Mare 1. Gestation a. 1-7 months (NRC says 1-8 months) b. 8-11 months 2. Lactation a. 1-12 weeks b. >12 weeks d. Work i. Light ii. Moderate iii. Moderate-intense iv. Intense VII. Evaluation Standards a. Nutrient Portfolio i. Feed consumption data (%BW) ii. Nutrient/calorie ratios iii. Considerations 1. Types of feedstuff 2. quality of feedstuff 3. forage – conc. Ratio 4. total nutrient intake 5. body weight (BW) 6. Condition score 7. level of production 8. nutrient/calorie ratios b. Helpful Hints – feeding Grain i. Feed Balance concentrates 1. not grains ii. Maximum per day 1. 1.25% BW iii. Maximum per meal 1. 5lb iv. Meal Frequency 1. > 10lb per day, at least 3 feedings: more is better September 28, 2006 I. Feeding Forages
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a. 50% Rule Alfalfa <50% Long-stem Hay >50% Processed Forages <50% - Long-stem hay = gut integrity - Forage portion >1.5% of BW II. Feed Changes a. Alfalfa to Grass .5lb/day b. Grass to Alfalfa .5lb/day c. Grass to Grass 1.0lb/day (+/-) d. Grain mixes .25lb/day e. Concentrates less than 10% fiber .25lb/day III. Challenges to Horse owners a. Seek simple solutions b. Seek nutritional solutions for non-related problems c. Seek guarantees d. Stray from logical senses IV. Nutrient intake comparison a. Feed total daily nutrient intake i. Requires 800g protein, 33g Ca, 18g P ii. Then feed diet that provides the amount required iii. Feed for energy but use diet that addresses the nutrient-calorie ratio 1. how nutrient relates to energy, relationship of amino acids 2. Nutrient:Calorie ratio
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This note was uploaded on 03/10/2008 for the course AVS 355 taught by Professor Reb during the Spring '07 term at Cal Poly Pomona.

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AVS 355 Equine Nutrition - AVS 355 Equine Nutrition...

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