Poultry Science Final Exam with correct answers 100% 2026

Poultry Science Final Exam with correct answers 100% 2026 list three things supplied or removed by ventilation in a hatchery - Correct Answer 1) supply oxygen 2) remove carbon dioxide 3) remove undesirable gases give 2 advantages of raising broiler-breeders on a slat and litter floor - Correct Answer 1) long term storage of waste material 2) higher fertility give 2 disadvantages of raising broiler-breeders on a slat and litter floor - Correct Answer 1) females can track contamination into nesting areas 2) heavy weight birds can experience foot problems the flow of a hatchery should allow no _____________ to decrease contamination - Correct Answer backtracking eggs being held in the egg holding room at the hatchery should be kept at or below __________ degrees F - Correct Answer 65 which of the following is an acceptable method(s) for determining fertility of hatching eggs - Correct Answer breaking out freshly laid eggs, candling eggs after incubation, breakout of unhatched eggs on hatch day when breaking out eggs, you must see the presence of the __________ for the egg to be fertile - Correct Answer germinal disc which of the following is a disadvantage of determining fertility by candling eggs - Correct Answer have to incubate eggs for a minimum of 5 days the practice of rearing young chickens for meat production is known as which of the following - Correct Answer broiler production broilers are typically reared for ______ to _______ weeks before reaching market weight - Correct Answer 5 to 10 after 6 days of production, the broiler's head and neck should be at a ________ degree angle when drinking from the waterlines - Correct Answer 45 providing the least amount of air to supply oxygen and remove undesirable gases is called - Correct Answer tunnel ventilation when poultry personnel are required to move from one poultry farm to another they should go from __________ to ______ - Correct Answer youngest to oldest the proper rooster to hen ratio in a broiler-breeder house is - Correct Answer 9-10 to 100 which of the following would not be a recommended source of litter material for rearing broiler chickens - Correct Answer hardwood shavings the latin term, ad libitum, refers to feeding broiler __________ - Correct Answer at one's pleasure __________ is the most critical factor to manage during incubation - Correct Answer temperature _______ is the most critical factor that affects hatchability - Correct Answer fertilization infertile eggs emit _____ light than fertile eggs - Correct Answer more hatching eggs should always be incubated with the ______ end of the egg pointing up - Correct Answer large mortality is greatest during the _______ week of broiler production - Correct Answer first the addition of fresh males into the broiler-breeder house to increase fertility as the egg production cycle progresses is called _________ - Correct Answer spiking male broiler-breeders will only complete approximately ______ of their attempted matings with the females - Correct Answer 2/3 an enlargement of the footpad, mostly with male broiler-breeders, caused by walking on slats, wire floors, or wet flitter conditions is called _________ foot - Correct Answer bumble broiler-breeders are most commonly raised on a floor containing both ______ and ________ - Correct Answer litter and slats T or F: a male breeder's sperm count is higher in the morning than it is in the afternoon - Correct Answer true Tor F: personnel delivering hatching eggs to the hatchery from the breeder farms should always enter the hatchery - Correct Answer false explain the difference between a T-shaped and a rectangular hatchery design - Correct Answer a T-shaped is the most common that provides good biosecurity with no backtracking and a rectangular hatchery possess the same advantages as a T-shape but a slightly higher opportunity for bacterial contamination explain the purpose of the broiler-breeder stage of production - Correct Answer rearing males with females to create fertilized eggs for hatching explain why the control of humidity is important during the incubation of eggs - Correct Answer humidity is important because if its too high the internal temperature of the egg can dry out the embryo and if it too low the embryo can drown