動(dòng)物與飼料ppt課件(2)(參考版)
2025-05-06 18:10本頁面
【正文】 Minerals168。 Lipids168。 Water168。 Minerals168。 Lipids168。 Water168。 Minerals168。 Lipids168。 Water168。Basic Nutrition基礎(chǔ)營養(yǎng) : characterization of the nutrients and theirfunction in the body 動(dòng)物體中營養(yǎng)素的特征和功能Chemistry, biochemistry, physiology, statistics, physics etc…Nutrient Requirements營養(yǎng)需要Nutrient ContentOf Feedstuffs andTheir Feeding Value飼料營養(yǎng)量和效價(jià)Feeding飼養(yǎng)DietFormulation飼糧配方Major Points on Introductionn How and what you feed animals has a big effect on profit 經(jīng)濟(jì)效益n What you eat affects your health and life span 影響健康和壽命n The animal’s efficiency of converting feed to edible products is low 動(dòng)物的轉(zhuǎn)化率是很低的n Nutrients classes have different physical and chemical properties which determine their function in the body 營養(yǎng)分類n Value of a feed or food is based on the relative amounts of the different nutrients it contains 飼料價(jià)值依據(jù)所含不同營養(yǎng)n The function of the animal determines the amount of each nutrient the animal needs 動(dòng)物需要的營養(yǎng)Feeding Farm Animals Requires a Knowledge of飼喂動(dòng)物需要了解 :n Fundamentals of nutrition and factors affecting requirements營養(yǎng)和影響需要量的因素n Characteristics and nutrient content of feedstuffs飼料原料的特征和營養(yǎng)含量n Feed milling and processing 飼料加工n Animal production systems 畜牧生產(chǎn)系統(tǒng)n Cost of feedstuffs and prices of product sold 飼料價(jià)格和產(chǎn)品售價(jià)Nutrient營養(yǎng)素n Substance obtained from food or feed and used in the body to provide energy and structural materials for synthesis of body ponents and to regulate maintenance, growth and repair of tissue.nDIET飼糧 : what an animal eats。 for example, a diet for feedlot steers may consist of 82% steamflaked corn, 10% cottonseed hulls, 5% cottonseed meal, 1% urea, and 2% mineral and vitamin nRATION日糧 : the amount of diet an animal consumes in a given period of time, usually one day. For example, one day’s ration for a horse coul
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