10 The University of New Hampshire [Bulletin 338 



tgg production characteristics and represent a satisfactory sample of 

 the strains of birds on the University Poultry farm. Their general 

 performance records are listed in the summary table, No. 4. 



Feeding- procedure followed the recommendations of the New 

 England College Feed Board, consisting of mash and grain, plus pel- 

 lets and condensed buttermilk as supplementary feeds. The laying 

 mash used consisted of yellow corn meal — 632 lbs ; wheat bran — 300 

 lbs; standard middlings — 300 lbs; ground whole oats — 300 lbs; al- 

 falfa leaf meal — 50 lbs; soy bean oil meal — 100 lbs; dried skim milk 

 — 50 lbs; meat scraps, 50% protein — 150 lbs; fish meal. SO^o protein 

 — 50 lbs ; limestone with manganese — 50 lbs ; salt — 10 lbs ; fortified 

 cod- liver oil — 8 lbs. The grain formula consisted of whole yellow 

 corn — 1000 lbs., wheat — 500 lbs., and whole oats— 500 lbs. 



The hard grain was hand fed in the litter three times daily, the 

 mash, grit, and oyster shell -w^ere hopper fed. 



General management of all pens was similar with the exception 

 of litter treatment. This is outlined as follows: 



LITTER TREATMENT 



A Original litter plus additions when necessary with no removals. 



I Conditions of management 



a Pen cleaned thoroughly at start of test and new litter added 

 to the depth of two inches. 



b Additions of fresh litter made when deemed desirable for 

 the improvement of litter conditions. 



1. Each addition not to exceed 30% of the original litter 

 in the pen. 



c No removal of litter from the pen throughout the test per- 

 iod, except for samples which are returned. 



d No raking over of the litter. 



e Droppings boards to be cleaned regularly at about two 

 month intervals (wire below rails prevents access of birds 

 to droppings) 



B Regular routine of litter management as normally practiced. 



I Conditions of management 



a As seen fit by the foreman of the poultry plant, 

 b All litter additions to be of same kind as the original, 

 c As followed on most commercial poultry farms. 

 C Optimum conditions of litter. 

 I Conditions of management 



a Pen cleaned thoroughly at start of test and new litter added 



to a depth of two inches, 

 b All additions of fresh litter to be of a similar kind. 

 c Entire pen to be raked over frequently to aerate and re- 

 distribute litter over pen floor, 

 d Optimum of litter condition to be maintained, 

 e Additions or removal of litter to be made as fre(|uently as 

 necessary to maintain an apparent "dry" condition. 



