8 UNIVERSITY OF NEW HAMPSHIRE [Bulletin 335 



milk groups showed the lowest total feed consumed, 277.198 pounds, 

 whereas the fish meal groups had the greatest total consumption, 

 282.553 pounds. 



In a consideration of laying house mortality Table 5 indicates the 

 mixed protein groups to have suffered least, followed by the fish 

 meal, meat scrap and dried skimmilk fed groups, respectively. The 

 range by groups was quite wide being from 5.8 per cent in Group 10 

 to 33.3 per cent in Groups 2 and 7. 



Table 6 presents a cost comparison of feed consumption and egg 

 production per bird for all groups. 



As reported in Bulletin 312 there is a direct relationship between 

 production and type of animal protein supplement. However, with 

 birds managed in floor pens the relationship is not the same as when 

 birds are in cages. We find, according to Table 6, that the mixed 

 protein fed groups were most efficient in utilization of feed re- 

 quired to produce one dozen eggs with a figure of 7.33 pounds. The 

 meat scrap groups were least efficient requiring 8.73 pounds of feed 

 while the dried skimmilk and fish meal fed birds were intermediate 

 with 7.86 and 8.41 pounds, respectively. Under cage management the 

 dried skimmilk fed birds were relatively inefficient but under floor 

 pen management they were the second most efficient in utilization 

 of feed. 



The rate of production was found to be in the same order as that 

 of feed efficiency with the mixed protein groups leading. These show 

 an average production per bird of 151.38 eggs whereas the meat 

 scrap groups averaged but 127.27 eggs per bird. 



A comparison of feed cost per dozen eggs produced is also pre- 

 sented. As protein content of ration is increased just so is the cost 

 of that ration. Generally speaking, as the content of animal protein 

 in the ration was increased, the feed cost per dozen eggs produced 



TABLE 2D. SUMMARY OF WEIGHT RECORDS IN POUNDS PER BIRD BY STATED 

 WEEKLY PERIODS FOR PROTEIN MIXTURE GROUPS 



Age Group 10 Group 11 Group 12 



1 day X)917 ^922 .0917 



4 weeks .4000 .3055 .5990 



8 weeks 1.330 1.576 1.674 



12 weeks 2.625 2.750 2.825 



16 weeks 3.000 3.425 3.725 



19 weeks 3.650 3.900 4.150 



23 weeks 4.350 4.525 4.825 



27 weeks 4.650 4.550 5.150 



31 weeks 5.450 5.250 5.450 



35 weeks 5.300 5.200 5.600 



39 weeks 5.200 5.200 5.500 



43 weeks 5.350 5.300 5.700 



47 weeks 5.700 5.500 6.000 



51 weeks 5.700 5.750 6.000 



55 weeks 5.600 5.250 6.000 



59 weeks 5.400 5.400 5.900 



63 weeks 5.050 5.150 5.450 



67 weeks 5.650 5.500 5.700 



70 weeks 5.357 5.321 5.393 



