University:
Sam Houston State University
Course:
BIOL 2413 | General Zoology
Academic year:

2019
Views:

111

Pages:

10
Author:

Clint W.

Poultry Objectives • Define poultry terms. • Differentiate between a productive hen and a non- laying hen • Identify parts of a chicken. • Evaluate eggs. Basic Terms • Scientific Name: Galine • Chick: Newborn chicken • Pullet: Young, immature female chicken less than 5-6 months of age • Hen: Mature female chicken • Rooster: Mature male chicken • Roaster: male or female chicken 3-5 months of age and raised for the production of meat More Terms • Capon: Castrated male chicken • Layer: Hen used for laying eggs • Broiler/Flyer: Chickens grown for meat production • Group Name: Flock • Candling: examining a shell egg’s content by holding it between one’s eye and a light source • Clutch: Nest of eggs More Terms • Egg: hard- shelled; reproductive body produced by a bird • Green: description of chicks that have recently hatched • Axial feather: short wing feather that separates primaries from secondaries • Molt: To shed feathers periodically • Oviposition: laying of an egg by a bird • Plumage: Feathers of a bird Egg- Type Hens • Characteristics to look for when examining hens:  Bleaching of yellow pigment in the shanks, feet, and beak  Condition and capacity of the abdomen  Condition of plumage and rate of molt of the wing primaries  Vigor and vitality  Head characteristics Bleaching of Body Pigment • Order that the body pigment fades: ▫ Vent ▫ Eye Ring ▫ Earlobe ▫ Base of Beak ▫ Tip of Beak ▫ Bottom of Foot ▫ Shank ▫ Hock and Tip of Toe Bleaching of Body Pigment • Hens that show signs of returning pigment are decreasing in egg production • Pigment returns to the body parts in the same order it faded ▫ Returns 3 times quicker ▫ Four factors:     Amount of pigment in feed Health and vitality of hen Whether the hen is confined or not Size and coarseness of the hen