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Describe the dairy farm tour. Why did the chicken cross the road?

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Presentation on theme: "Describe the dairy farm tour. Why did the chicken cross the road?"— Presentation transcript:

1 Describe the dairy farm tour. Why did the chicken cross the road?
Early Work Monday Describe the dairy farm tour. Why did the chicken cross the road? (chicken dance)

2 Animal Science- Chicken/Egg Industry
Monday, January 31st, 2011 Animal Science- Chicken/Egg Industry

3 Problem Statement Objectives
 What can Payton learn about the Chicken and Egg Industry? Objectives 1. Introduce poultry unit. 2. Discuss aspects of the chicken industry.



6 Always gets the chicks


8 Why did the chicken cross the road?








16 Poultry Enterprises Three General Types of Chicken Enterprises
1. Egg Production Laying hens produce eggs Confined cages or free-range After production cycle, hens sold for meat

17 2. Broiler Production 3. Replacement Pullets Raising chickens for meat
High quality rations fed to secure rapid, efficient gains 3. Replacement Pullets Raising chicks for egg production or broiler production

18 Production/Consumption Trends
# of farms with laying hens decreased # of chickens raised per farm  increased Eggs-- Slight decline in popularity Cholesterol concerns Chicken Meat– Major increase in popularity Perceived to have less cholesterol than beef/pork

19 Laying Hens & Egg Production
Leading States Laying Hens & Egg Production

20 Videos
Chick Production Broiler Production

21 Poultry Terms

22 CHICKENS Gallus

23 CHICKENS Male- Not castrated, Can be a father Rooster
Male- Castrated, Cannot father Capon

24 CHICKENS Female- Has had offspring Hen Female- Has not had offspring
Pullet Young Male or Female Offspring Chick

25 CHICKENS Parturition Hatching/Laying Gestation 21 days







32 Early Work Wednesday 2-2-11
Which came first… the chicken or the egg? Which area of the United States is the Poultry industry heavily concentrated?

33 Animal Science- Chicken/Egg Industry
Wednesday, February 2nd, 2011 Animal Science- Chicken/Egg Industry

34 Problem Statement Objectives
 What equipment could Brennan use in the PoultryIndustry? Objectives 1. Identify Poultry Industry equipment. 2. View Mike Rowe clip about Egg Farming.

35 Beak Trimmer Trims peak Machine with foot pedal

36 Chick Starter Feeder Feeding dish for baby chicks

37 Chicken Feeder Feeding dish for older chicks

38 Egg Scale Weighs and classifies eggs

39 Leg Bands Identification tool Circular, numbered bands

40 Open Jug Waterer Watering dish

41 Nipple Waterer Watering device Minimizes waste

42 3 Tier Coop Layered chicken cages

43 Advantages to raising poultry
High feed efficiency Fast return on investment Low land requirements Mechanized operation

44 Disadvantages to raising poultry
Disease and parasites Initial capital investment is high Limitations of zoning Death losses from predators Waste disposal and odor



47 Early Work Thursday What are leg bands used for in the poultry industry? What is the purpose of an egg scale?

48 Animal Science- Chicken/Egg Industry
Thursday, February 3nd, 2011 Animal Science- Chicken/Egg Industry

49 Problem Statement Objectives
 What are the most common breeds of chickens? Objectives 1. Identify chickens breeds. 2. Create chicken breed profile page.

50 Black Cochin

51 Silver Campine

52 White Dorking

53 Grey Jungle Fowl

54 Single-Comb White Leghorn

55 Turken

56 New Hampshire Red

57 Rhode Island Red

58 White-crested Black Polish

59 Sumatra

60 White-faced Black Spanish

61 Facebook Chicken Profile Page


63 Early Work Friday Which breed of chicken did you do your Facebook Profile page about? What is the relationship status of your chicken? What color of eggs does your chicken lay?

64 Animal Science- Chicken/Egg Industry
Friday, February 4th, 2011 Animal Science- Chicken/Egg Industry

65 Problem Statement Objectives
 What can Roger learn about the egg industry? Objectives 1. Identify anatomy of an egg. 2. Examine internal and external egg parts.

66 Egg Anatomy


68 Air Cell -Blunt end -Contraction of egg during cooling -Size increases as egg ages

69 Germinal Disc -genetic information from female -sperm fertilizes egg within the germinal disk -white spot on the yolk

70 Thick and Thin Albumen -egg white -source of protein

71 Chalaza -Twisted and cord like - Anchors yolk in center of egg

72 Shell - Calcium Carbonate -Has pores -Color determined by breed

73 Shell Membranes -Attached to shell -Encloses contents -Protects albumen from bacteria

74 Vitelline (Yolk) Membrane
- Surrounds and seals in the yolk -thin, elastic

75 Yolk - Color varies by feed source - Source of vitamins, minerals & fat

76 Grades of Eggs Appearance determines grade External and Internal AA A
B Inedible

77 EGGS AA A B Clean, no cracks, correct shape Albumen tight around yolk
Mostly good, clean Albumen a little spread out B Not clean, misshapen Albumen spread out, flat yolk

78 Jumbo= 30 oz. Extra Large= 27 oz. Large= 24 oz. Classes
Ounces of weight/Dozen Eggs Jumbo= 30 oz. Extra Large= 27 oz. Large= 24 oz. Medium= 21 oz. Small= 18 oz. Peewee= 15 oz.

79 External Clean Shape Cages Scratches Cracks Weak Spots

80 Internal Candling= shine bright light through egg Identify defects
Yolk Color Blood Spots Size of air cell Embryonic development

81 Blood Spots *Capillary burst in reproductive system
*Doesn’t mean embryo is growing

82 Air Cell Size Larger = older New Eggs= Float Old Eggs= Sink




86 Early Work Tuesday What did your parents say when you described the internal egg to them?  What is candling? What are the 3 main grades of eggs? Which is best?

87 Animal Science- Candling/INcubation
Monday, February 8th, 2011 Animal Science- Candling/INcubation

88 Problem Statement Objectives
 How will Cameron candle and incubate eggs? Objectives 1. Identify candling techniques and incubation guidelines. 2. Candle and label eggs. 3. Starts eggs in the incubator.

89 Candling Eggs Shining a light through eggs to determine internal characteristics

90 Freshly laid egg is about 107 degrees- same as hen
Egg cools to surrounding temperatures, egg contents shrink, shell remains the same, more pores at the large end of the egg– air enters and fills the space left by shrinking contents Chicken pips through membranes to air cell– first breath of air in this space

91 Air Cell Increases during incubation Not too small Not too big
Chick will be strangled on fluids Not too big Fluids will be dried up and chick will be weak and may stick to the shell

92 Incubation Heating of eggs to hatch chicks

93 Incubation of Eggs Dry Bulb Wet Bulb Humidity
100 degrees heat Wet Bulb 86 degrees humidity Humidity Too high= chick drowns in fluids Too low= chick sticks to side of shell

94 Hatching Do not bother the thermostat unless it is absolutely necessary. The working of the machine may be affected if the thermostat is tampered with excessively. Keep the eggs clean. Perspiration or grease from the hands is not good because it can stop up the pores of the shells. After each temperature adjustment, allow ample time for temperature to stabilize. Avoid opening the lid after each hatch.

95 Albumen Chalaza Chick develops in this fluid
Food and protein for the chick Chalaza Turns as the chick is rotated Allows yolk to turn so chick is always on top

96 Incubation Large end up, small end facing down
Pores are bigger and more numerous Pores allow carbon dioxide and moisture to be released, oxygen to enter the egg shell 3 days before eggs are to hatch Remove from turner



99 Break Out= Cracking egg to see albumen
Tight albumen High yolk

100 How the chick hatches Using its egg tooth (a tiny sharp horn on the top of its beak) the chick pecks at the shell thousands of times. Finally it pips through the shell and begins to breathe air directly from the outside. After it has made a hole in the shell, the chick stops piping for a few hours and rests while its lungs are getting used to the outside atmosphere. There is a high level of carbon dioxide in the egg compared with the outside environment. This actually causes the neck muscles of the chick to jerk and allow him to peck through the eggshell. After resting the chick continues to pip by beginning to turn slowly inside the egg. As it turns, usually counter-clockwise, the egg tooth continues to ship away. In about 5 hours, the chick has made about three quarters of a turn inside the egg. As the chick moves around the shell it begins pushing on the egg cap. Squirming and struggling the chick pushes the cap for about one hour. Finally it breaks free from the shell,still wet and panting.

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