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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