High Efficiency Feed Gives Better Egg Production 27 



Immunization of Two-Day-Old Chicks Against Infectious Bronchitis and 



Newcastle Disease by the Spray Technique 28 



Influence of Egg Holding-Room Environment upon the Hatchability of Eggs 



and the Quality of Chicks Hatched 28 



Frequency of Gathering Eggs and Its Effect on Hatchability 29 



Wing-web Vaccination of Day-old Chicks for Newcastle Disease 29 



Eflfect of Nitrophenide (Megasul) Drug When Fed at Different Levels to 



Birds Through to Maturity 30 



Abnormal (Bulging) Eye in New Hampshire 30 



Restricted Feeding to Delay Pullet Maturity 31 



How Much Protein for Egg Production with Meat-type New Hampshires? 31 

 Intensity of Artificial Illumination and Its Effect upon Production by New 



Hanipshires ^- 



Shank Pigmentation in Broilers 32 



Better Methods for the Application of Bi Newcastle Virus for the Prevention 



of Newcastle Disease ^^ 



Other Active Projects 33 



STATE SERVICES 



Inspection of Fertilizers and Feedingstuffs ^^ 



Soil Testing — 1952-1953 34 



Seed Inspection 34 



Diagnostic Service Performed at the Poultry Laboratory 34 



Pullorum Testing 35 



Infectious Bronchitis Virus 35 



National Poultry Improvement Plan 35 



ADDENDA 



Publications 36 



Changes in Personnel ^' 



Agricultural Experiment Station Staff ^' 



Evpenditures for the Fiscal Year Ending June 30, 1953 40 



