animal feeds: intro,
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| show | ∙ agronomic features, nutritive value, special properties, processing needs, suitability for particular livestock, deleterious or toxic factors, etc.
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| show | ∙ 1870 vs 2024: fewer individuals involved in ag but improved methods and technological information - university research, production systems, scientific advances
∙ standards of living for animals have improved as demand for ag products rockets
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| main challenge of livestock producers and nutritionists | show 🗑
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| show | ∙ one U.S. farm feeds 166 people annually (global)
∙ farm/ranch families make up <2% of the population
∙ biggest commodities: corn, soybeans, cattle/calves
∙ LA's commodities: forestry, sugarcane, poultry, rice, feed grain crops
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| nutrition | show 🗑
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| nutrient | show 🗑
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| feed/feedstuff | show 🗑
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| show | ∙ natural: corn, soybean, wheat
∙ natural processed: soybean meal (SBM), wheat bran, corn gluten feed
∙ synthetic: crystalline amino acids, vitamins
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| show | ∙ any combination of feedstuffs used to nourish the animal
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| show | ∙ amount of diet consumed in a 24 hour period
∙ ex. 5 kg of steer feed per animal per day
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| show | ∙ protein
∙ carbohydrates
∙ lipids
∙ vitamins
∙ minerals
∙ *water*
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| water as a nutrient | show 🗑
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| show | ∙ solvent for many biological systems
∙ medium to transport materials and wastes
∙ body temp. regulation - evaporative cooling
∙ lubricates and cushions joints and organs within body cavities
∙ helps define cellular shape
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| sources of water for animals | show 🗑
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| show | ∙ chemically bound, released when nutrients of body tissues are broken down by metabolic processes
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| show | ∙ urine, feces, lungs, skin, sweat, eggs, milk
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| show | ∙ often affects feed consumption and animal health
∙ should contain less than 2,500mg/L (0.25%) dissolved solids
∙ materials may affect palatability or be toxic
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| water as a source of minerals | show 🗑
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| factors that affect an animal's water intake | show 🗑
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| water availability | show 🗑
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| carbohydrates | show 🗑
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| types of carbs | show 🗑
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junoreg
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