Questions and Answers
Which breed of chicken is favored by commercial egg producers in Australia?
HyLine Brown
What percentage of an avian egg is comprised of albumen?
52-58%
Which component of egg yolks has been shown to potentially prevent atherosclerosis?
Liposoluble glycoproteins
What is the average protein content of a medium-size egg?
Signup and view all the answers
What is the main function of the waxy hydrophobic, proteinaceous layer on an eggshell?
Signup and view all the answers
Which of the following is true about egg consumption in ancient humans?
Signup and view all the answers
Which of the following is NOT a factor that can damage the cuticle of an egg?
Signup and view all the answers
What is the purpose of the lysozyme, avidin, and protease inhibitors found in egg white?
Signup and view all the answers
Which technology is used to detect internal defects in eggs?
Signup and view all the answers
What is the Haugh unit a measure of?
Signup and view all the answers
Which environmental factor can reduce egg quality and increase the risk of Salmonella contamination?
Signup and view all the answers
Which of the following is NOT a factor affecting egg production?
Signup and view all the answers
What is the major route for disease/pathogen transmission in poultry?
Signup and view all the answers
What is the main concern driving welfare considerations in the egg industry?
Signup and view all the answers
Which disease has been detected in poultry egg facilities in NSW and Victoria?
Signup and view all the answers
What is the main method mentioned to safeguard egg production and the supply chain?
Signup and view all the answers
Which disease can cause big liver and spleen in chickens?
Signup and view all the answers
Which disease is caused by bacteria and can result in sticky eyes and respiratory symptoms in chickens?
Signup and view all the answers
Which disease is caused by parasites and can lead to weight loss and poor growth in chickens?
Signup and view all the answers
Which disease is caused by a virus and can result in tumors in chickens?
Signup and view all the answers
Which of the following statements about ancient Egyptian food sources is true?
Signup and view all the answers
What was the average number of eggs laid per year by hens in the 1900s?
Signup and view all the answers
When did intensive egg production, with commercial farms housing 500,000 hens, get introduced?
Signup and view all the answers
What is the current trend in Australia regarding caged hen production?
Signup and view all the answers
What is the impact of free-range farming on chicken productivity, mortality, health, and welfare compared to conventional farms?
Signup and view all the answers