Poultry Science Terminology - T

Table egg industry: produces infertile eggs for the retail consumer

Taeniasis: obsolete word for cestodiasis (tapeworm infection)

Tenderloin: boneless-skinless white meat is the pectoralis minor muscle. It comes from the inside of the breast adjacent to the keel bone

Tenosynovitis: inflammation of the synovial shield of a tendon

Testicles (Testes): paired male reproductive glands that produce sperm. Located internally alongside the backbone on a male fowl

Thermostat: device sensitive to temperature and used to control the operation of heat, ventilation, and air conditioning systems as well as water heaters and radiators

Three host tick: tick that spends the three stages of its life on three different hosts

Tin hen: slang for an incubator 

Toe clipping: removal of a bird's toes just behind the claw

Tom: adult male turkey (also referred to as a 'gobbler') 

Top dressing: adding a layer of clean litter on the top of used litter before placing a new flock

Torticollis: twisted or wry neck 

Toxemia: generalized poisoning resulting from circulation through the body of toxins produced by bacteria

Toxin: poison produced by microorganisms 

Toxoid: agent that confers immunity against toxins produced by bacteria

Trachea: part of the respiratory system that conveys air from the larynx to the bronchi in the lungs; windpipe 

Transovarian transmission: infection of a hen's egg prior to the shell being formed

Trap nest: equipment used to keep hens on the nest until caretaker releases them, allows egg production to be closely monitored and accurate production records to be kept by hen

Trauma: wound or injury that destroys tissue

Traumatic ventriculitis: piercing of the gizzard by a pointed object

Trematode: parasitic fluke

Triglyceride: compound composed of glycerol and three fatty acids, source of energy

Trio: male with two females of the same species, breed and variety; chickens for small farms are sold this way as a method of promoting genetic diversity

True fertility: measure of breeder flock or inseminating crew performance. Indicates the number of eggs that are fertile at the point of oviposition

Tubercle: tumor like mass

Tufted: 1) protuberance from the head with a tuft of feathers like Tufted Roman Geese 2). ear tufts of feathers which are located slightly below the ear like True Araucanas that are tufted and rumpless

Tumor: mass of tissue that develops and grows without benefit to surrounding tissue

Tunnel ventilation: fans placed at opposite end of the building from air inlets; negative air pressure pulls air from outside through the building length wise in the house and exhaust it through fans

Turn: act of turning incubated eggs to prevent the embryos from sticking to the shell membranes

Type: size and shape of a chicken that tells you what breed it is 

Turkey: large game bird native to North American (Meleagris gallopavo). Wild turkeys are found throughout North and South America and there are a number of domesticated breeds. They are a large, widely domesticated for food, most familiarly for Thanksgiving dinner celebrations. Males are called toms, females called hens and chicks are known as poults



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