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34 Cards in this Set
- Front
- Back
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What is the livability % from 16 wks & 60 wks?
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98% & 97%
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What is the body weight for a pullet at 16 wks & 70 wks?
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2.71 lb & 3.68 lb
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What is the egg laying period?
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60 wk to 80 wk
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How many days does it take to get to 50% production (from hatch)?
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138 days
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What is the % peak?
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93.5%
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What is hen-day eggs to 60 wks & 80 wks?
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252 eggs & 355 eggs
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What is hen-housed eggs to 60 wks & 80 wks?
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248 eggs & 346 eggs
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What is the total feed consumption to 16 wks?
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11.1 lb
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What is the daily feed consumption? (17 to 80 wks)
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0.15 lb. to 0.23 lb.
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What is the feed consumption per pound of eggs?
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1.87 lb
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What is the feed consumption per dozen eggs?
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3.01 lb
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What is the egg weight per case at 70 wks? (65.6 grams per egg)
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52.1 LBS.
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The first ____ wks of the flock's life determine if the birds will live up to their genetic potential.
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16
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Chicks require special care during ______, and any mistake during this critical time period cannot be corrected later.
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Brooding
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Almost ______ of all replacement egg-type chickens are raised in cages, a popular brooding system.
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50%
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Floor brooding is a conventional practice used for nearly _____ of the egg-strain pullets raised in the U.S.
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50%
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Permanent beak trimming is successful if performed on chicks between ____ to ___ days.
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7 to 10
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The blade to use for beak trimming should be how hot?
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1,100 degrees F (595 degrees C)
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How many beak trimmings are required?
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2
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When should the 2nd beak trimming be performed?
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4 wks of age
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What should be the R.H. levels for cage and floor brooding?
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40% to 60%
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____,______, and _____ control are the most effective and least expensive tools in a disease prevention program.
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cleanness, sanitation, and strict traffic control
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disease vaccination...
1 day should be what vaccination(s)? How should they be transmitted? |
Marek's, HVT(Turkey Herpesvirus), SB-1(viral vaccination to treat mareks), +-Rispen's
Subcutaneous |
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pullets are usually transferred to cages at ______ wks of age.
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18
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what are the advantages of caged laying hens?
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are easier to manage, floor eggs are eliminated, eggs cleaner, less feed required for a dozen of eggs, broody hens are eliminated, more hens per house, internal parasites eliminated, mortality is lower, labor is lower.
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what are the disadvantages of caged laying hens?
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damp manure requires frequent removal, flies are a problem, initial investment is higher(50 to 100% higher), hens produce fewer eggs, eggs get shell marks, interior egg qualities deteriorate quicker, hens tend to have fragile bones, some birds dont adapt
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2 rules of lighting for pullets what are they?
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Never increase light duration during the growing phase, never decrease light duration or light intensity during the laying phase.
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what are causes of cracked eggs?
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genetics, time of laying within a clutch, length of lay, temp., disease, relative humidity.
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what are the occurrence of cracked eggs?
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body checks, cracked during oviposition, cracked when rolling on cage floors, cracked during handling and processing.
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up to ___% of all eggs laid are uncollectable, and the hen's egg production is not credited
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7
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2 rules of lighting for pullets what are they?
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Never increase light duration during the growing phase, never decrease light duration or light intensity during the laying phase.
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what are causes of cracked eggs?
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genetics, time of laying within a clutch, length of lay, temp., disease, relative humidity.
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what are the occurrence of cracked eggs?
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body checks, cracked during oviposition, cracked when rolling on cage floors, cracked during handling and processing.
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up to ___% of all eggs laid are uncollectable, and the hen's egg production is not credited
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7
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