Layer Flashcards
What is the medication and route is administered during 5-12 days?
NCD/Avian Pest Vaccine through intranasal/intraocular
What is the space requirement of Layers in cage?
5.0 SQM/100 Birds
T or F: Pullet developer has a high CP% than of the other stages.
False
What is the reason that CP% in pullet developer is decreased?
For preparation for egg production, high CP% may lead to early maturity.
T or F: You should increase day length exposure during growing period.
False.
What are the effects of excessive lighting to the pullets?
Leads to premature laying and small eggs.
T or F: High-protein feeds may lead to early egg laying.
True, it can result in smaller pullets and eggs.
What are the description of healthy pullets?
Vigorous & active
Have bright eyes & alert eyes
Prominent red comb & wattles
Well developed body & deep yellow pigmented beak and shanks
T or F: Revaccinate NCD vaccine before transferring to the laying house
True
What are the sings of sexual maturity in pullets during 16 weeks?
- Comb & wattles increase in size, becomes red
- They become friendly & cackle
Instinctively look for a nest - Docile & gregarious
- Vent & abdomen become enlarged
T or F: Egg-type breeds typically reach production around 44 weeks of age.
False.
Egg-type breeds reach production around 22 weeks of age. (5 and 1/2 months)
Too early maturity leads to:
- Production of small eggs
- Obtain lower egg production rate
- Higher mortality
- Higher incidence of prolapse
How much feed to mature laying hens consume per day?
Around 90-140 grams of feed per day.
Annual feed consumption per hen ranges from 40-42 kilograms.
T or F: In brooding stage they require 9 kg of feeds.
False
3 kg - Chicken starter mash
What kind of feed is given to a pullet?
Pullet developer - 1.5 kg
How much percent water does an egg consist?
60-70% water
What kind of feed is given to a grower?
Grower mash - 7 kg
T or F: On average, 100 layers can consume around 15 gallons of water daily.
False, 100 layers can consume around 7 gallons only.
What time does oviposition typically occur?
7:00am - 4:00 pm
Most hens lay between 10am to 2 pm
T or F: Eggs should not be stored for more than 7 days.
True
What is the ideal storage condition of eggs?
40 F & RH of 80-85%
T or F: High humidity can lead to moisture loss from eggs.
False, high humidity may cause mold growth on the egg’s surface.
T or F: Low humidity can lead to moisture loss from eggs.
True
T or F: A good layer remains yellow after laying.
False. a good layer after laying is bleached or white.
