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| Fahrenheit (F) |
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The temperature scale in which water freezes at 32 degrees F and boils at 212 degrees F under normal atmospheric conditions. °F = (°C x 1.8) + 32.
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| Fan pitch |
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The angle of the fan blades measured one-third of the fan radius in from the tip.
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| Fans, variable-speed |
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Fans whose motors turn at infinitely variable speeds by varying the line frequency of the power source.
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| Farm-made Feed |
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Feeds consisting of one or more artificial and/or natural feedstuffs, produced for the exclusive use of a particular farming activity, not for commercial sale or profit.
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| Fat sprayer |
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Equipment that applies liquid fat and/or flavors to the outer surface of feed. Types include vacuum infusion, high speed mixing, nozzles/rotating reels and curtain/spinning discs.
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| Fed cattle |
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Steers and heifers that have been fed concentrates, usually for 90-120 days in a feedlot.
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| Feed |
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Edible material that provides nourishment in the form of energy and for building tissues. Contributes to the normal physiological function and metabolic homeostasis of an organism, by the oral provision of nutrients to any kind or class of animal.
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| Feed blocks |
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Nutritional materials pressed into a block form which animals lick or nibble. Used usually as a vehicle for protein and mineral-vitamin mixes with a variable amount of carbohydrate in the form of cereal grain or molasses.
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| Feed budget |
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Comparison of feed required with feed available and likely to be grown during the time of the budget projection.
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| Feed Contaminant |
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A substance contaminating animal feed and can threaten animal and/or human health. Contaminants can be naturally or non naturally occurring.
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| Feed conversion |
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Units of production (lb or kg weight gain) per unit of feed fed (lb or kg weight of feed fed) during a specified time period.
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| Feed efficiency |
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The amount of feed required to produce one unit of product, such as pounds (kg) of feed to produce one pound (kg) body weight gain, or one pound (kg) of milk or one dozen eggs. Also referred to as feed conversion rate (FCR).
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| Feed formula |
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The list of ingredients and their inclusion levels that are required to make up a ration.
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| Feed grade |
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Said of a consignment of grain. Suitable for animal feed but not for human consumption.
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| Feed grain |
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Any of several grains most commonly used for livestock or poultry feed, including corn, grain sorghum, oats, rye, and barley.
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| Feed ingredient group |
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Ingredients fall into different categories - i.e. grain, forage, protein, fat, vitamin or mineral.
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| Feed label (feed tag) |
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The details of a specific ration that should contain information such as: animal the feed is designed to be fed to, ration purpose, nutrient levels, ingredients, feeding rate, special warnings, batch number.
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| Feed management |
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The attention to detail on all aspects of feeding an animal.
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| Feed mill |
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A place where animal feeds are manufactured.
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| Feed poisoning |
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A group of acute illnesses due to ingestion of contaminated food. It may result from allergy, toxemia from foods such as those inherently poisonous or those contaminated by poisons, foods containing poisons formed by bacteria or bloodborne infections.
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| Feed speed |
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The speed of a machine centre (canter, planer, etc.) usually expressed in feet per minute.
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| Feed standards |
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Sets of tables published by the National Research Council/National Academy of Sciences giving the amounts of each nutrient required by an animal for body maintenance, growth and production.
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| Feedback (or feedback signal) |
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The output signal from a feedback element.
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| Feedback loop |
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Any closed circuit consisting of one or more forward elements and one or more feedback elements.
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| Feeding rate |
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The amount in pounds or kilos that a specific animal must be fed per day.
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| Feedlot |
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Enterprise in which cattle are fed grain and other concentrates for usually 90-120 days. Feedlots range in size from less than 100-head capacity to many thousands.
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| Feedstock |
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A material used as a raw material in an industrial process.
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| Field corn |
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Any variety of corn that is grown extensively in large fields primarily for livestock feed, as contrasted with the horticultural varieties, such as sweet corn or popcorn. Most field corn is of the dent variety.
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| Filter |
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A device whose primary function is the retention by a porous media of insoluble contaminants from a fluid.
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| Finished cattle |
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Fed cattle whose time in the feedlot is completed and are now ready for slaughter.
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| Fishmeal (Fish Meal) |
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A protein-rich meal made from processing whole fish (usually small oily and bony fish such as menhaden or anchovy) and its byproducts. Fishmeal is used as an ingredient in animal feed.
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| Flow control valve |
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A valve which controls the rate of oil flow.
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| Flow rate |
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The volume, mass, or weight of a fluid passing through any conductor per unit of time.
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| Fluid |
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1. A liquid or gas.
2. A liquid that is specially compounded for use as a power-transmitting medium in a hydraulic
system.
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| Fodder |
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Any foodstuff used to specifically feed livestock. The food is given to the animals rather than having to forage for themselves. Includes hay, straw, silage, pelleted feeds, oils, mixed rations, etc.
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| Follow valve |
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A control valve which ports oil to an actuator so the resulting output motion is proportional to the input motion to the valve.
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| Food grain |
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Cereal seeds most commonly used for human food, chiefly wheat and rice.
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| Foot (ft) |
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A linear unit of length equal to 12 inches or a third of a yard (0.3048 m).
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| FOPS |
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Falling object protective structure.
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| Forage |
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Feedstuffs composed primarily of the whole plant, including stems and leaves eaten by grazing animals. Includes grasses and legumes (clovers).
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| Force |
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Any push or pull measured in units of weight. In hydraulics, total force is expressed by the product P (force per unit area) and the area of the surface on which the pressure acts. F = P x A.
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| Four-way valve |
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A directional valve having four flow paths.
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| FPM |
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Feet per minute.
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| Frequency |
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1. The number of cycles per second of alternating current (example: 60 cycles per second or 60
hertz per second).
2. The number of times an action occurs in a unit of time. Frequency is the basis of all sound.
A pump or motor's basic frequency is equal to its speed in revolutions per second multiplied
by the number of pumping chambers.
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| Front connected |
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A condition wherein piping connections are on normally exposed surfaces of hydraulic components.
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| Front end loader |
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A mobile machine mounted on a wheeled or tracked chassis, equipped with a grapple, tuck, bucket, or fork-lift device, and employed in the loading, unloading, stacking, or sorting of logs or materials.
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| Full flow |
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In a filter, the condition where all the fluid must pass through the filter element or medium.
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