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URI AVS 324 - Review of Material & Broiler Housing

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AVS 324 1st Edition Lecture 4Outline of Last Lecture II. Diagram of inside of eggIII. Its partsOutline of Current Lecture IV. Review of material (on chickens)V. MoltVI. “Free-Range”VII. Digestive systemVIII. Broiler housingCurrent Lecture- Molt turn off the lights, take away most of the food supplyo Gives them a rest periodo Lasts normally for 2 weekso Messy, feathers everywhereo When price of eggs goes up, increase molt to get it done fastero Natures rest period winter Start laying in march againo After molting grow back feathers- Disease goes through flock fast in close quarters- “Free-Range” o Susceptible to disease outsideo Expensiveo Susceptible to predators - California Biggest consumer of eggs in country- McDonalds: no longer buys from battery facilities- Battery Facilities: These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Chicken omnivore, monogastrico Digestive systemo Crop sticks, stones, food  Holds food until hungry then releasesit into the “stomach”o Proventriculus (true stomach) Mixes food with acido Gizzard (most powerful muscle in body) Grinds food into small pieceso Ceca(2 of them) (equal to appendix inhumans) When looking for disease look in thececa & you’ll find it because they’re“dead end” ventso Cloaca and digestive system share the vent- Broiler housing (10,000 birds on floor)o Get there at 1 day of age o No corners in building Young chicks will pile upin the corner when scared& will suffocate eachothero Key to broiler housing is biosecurityo Factors… High Growth Rate Feed efficient Amount of meat (muscle) Quality of meat (flavor)o Birds raised well a lot of fato Boneless & Skinless breast no fato 6 weeks alive before killed After this feed efficiency decreases Muscle gets so big heavier than bones- 12-14 weeks old will suffocateo Cornish game hen just a 4 week old chicken with a fancy nameo Perdue chickens best raised chicken More iron in meato Birds go all in at the same time and are sent to market at the same timeo Take out testes bigger, more fato Turkey huge breasts Cannot mount female So Artificial Insemination has to be


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