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Indietro

basic terms in animal nutrition

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  • Nutrient


    chemical substance in food that provides nourishment and growth

  • Feed


    Any material given to animals for consumption

  • Food


    substance consumed to provide nutritional support

  • Feed Stuff


    single ingredient or material used in animal feed

  • Forage


    plant material eaten by grazing animals

  • Diet


    total feed consumed by an animal over a period of time

  • Ration


    Amt of feed given to an animal in 24hrs

  • Absorption


    process by which digested nutrients move from the digestive tract into bloodstream or circulation

  • Digestion


    physical and chemical breakdown of food into nutrients that can be absorbed

  • Macro nutrient


    nutrient required in large amounts, such as carbohydrates, proteins, fats, and water

  • Micronutrient


    nutrient required in small amts such as vitamins and minerals

  • Macrominerals


    Minerals required in large amts like calcium, phosphirus, potassium, sodium, and magensium

  • Microminerals


    Minerals required in very small amounts; also called trace minerals.

  • trace minerals


    Essential minerals needed in tiny quantities, such as iron, zinc, copper, iodine, selenium, and manganese

  • vitamins


    organic compounds

  • Water Soluble Carbohydrate (WSC)


    carbohydrates that dissolve in water like sugars, starches that provide energy

  • Forgut


    digestion where microbial fermentation happens before small intestines in ruminants

  • Hindgut


    digestion where microbial fermentation happens in the cecum/ large intestine after small intestine.

  • Ruminant


    animal with multicompartment stomach that ferments feed before digestion like cattle sheep goat

  • coprophagy


    The consumption of feces to recover nutrients not absorbed during the first passage through the digestive tract.

  • Crop


    An enlarged pouch in the esophagus of birds used for temporary food storage

  • Rumen


    largest compartment of a ruminant stomach where microbial fermentation happens

  • Gizzard


    muscular stomach in birds the grinds food

  • sacculated


    pouch like compartments used to increase fermentation capacity

  • Producer


    organism that makes its own food usually through photsynthesis

  • Consumer


    organism that obtains energy and nutrients by eating others

  • Gel Electrophoresis


    A laboratory technique used to separate molecules such as DNA, RNA, or proteins based on size and charge.

  • Chromatograph


    technique used to separate and identify components of a mixture

  • Gravimetric Procedures


    Analytical methods that determine an amount by measuring weight.

  • Mass Spectrometry


    A technique used to identify and quantify compounds by measuring their mass-to-charge ratio.

     

  • Colorimetry


    A method that determines the concentration of a substance by measuring color intensity.

     

  • Kjeldahl Method


    A laboratory procedure used to determine nitrogen content and estimate protein levels.

     

  • Ash


    The mineral residue remaining after organic matter is completely burned.

  • Crude Protein


    An estimate of total protein content based on the nitrogen content of feed

  • Crude Fiber


    A measure of the less digestible structural carbohydrates in plants.

  •  Lignin


    A complex compound in plant cell walls that is largely indigestible and reduces feed digestibility.

  • Cellulose


    A structural carbohydrate in plant cell walls that can be digested by microbial fermentation.

  • ERDN


    estimate of digestible nitrogen in feed

  • UDN


    Nitrogen remaining unavailable for digestion

  • Bypass protien


    protien that esapes breakdrown in the rumen and is disgested in the small intestine