20 



BULLETIN 144 



18. Shropshire ewes in Lots I and II cost 7.8 per cent more 

 for maintenance than Delaine-Merino ewes of Lots III and IV, 

 respectively. 



19. Early summer lambs should be fed grain, and they should 

 be marketed prior to the middle of July, if the flock or the pasture 

 is infested with sheep parasites 12 . 



20. Rape pasture for lambs after weaning, without grain, is 

 not as good as blue grass pasture during a wet season 13 . 



21. Shropshire lambs are worth from $.50 to $.75 more per 

 100 pounds liveweight than Delaine-Merino lambs. 



22. Sheep improve the stand of grass and eradicate weeds 14 . 



23. A high percentage of good market lambs is the most 

 important factor in profitable sheep raising. 



24. Exercise and care of breeding ewes are as important as 

 feeds in increasing the percentage of lambs. 



25. The increase in value of mutton, based on 1916 quota- 

 tions as compared with the averages of 1914 and 1915, was 15.1 per 

 cent in Lot I ; 16.6 per cent in Lot II ; 14.7 per cent in Lot III ; and 

 13.2 per cent in Lot IV. 



26. The increase in value of wool based on 1916 quotations 

 was 35.4 per cent in Lot I ; 36 per cent in Lot II ; 29 per cent in Lot 

 III ; and 26.4 per cent in Lot IV over the averages of 1914 and 1915. 



27. Feed racks which prevent seed and chaff from getting 

 into the fleece increase the value of wool from one to two cents 

 per pound 15 . 



28. Delaine-Merinos may be kept for breeding purposes until 

 seven or eight years of age, while Shropshires rarely exceed seven 

 years. 



29. Wool production as well as mutton production is an essen- 

 tial in profitable sheep raising. When 100% lambs were, raised 

 the income from mutton as compared with wool was: 



Lot III Mutton 62.2 per cent. 



Wool 37.8 per cent. 



Lot IV Mutton 60.8 per cent. 



Wool 39.2 per cent. 



Lot I Mutton . . . 



Wool 



Lot II Mutton . . . 

 Wool . . 



.68.3 per cent. 

 .31.7 percent. 

 .71.1 per cent. 

 .28.9 per cent. 



1213 Annual Report, Pennsylvania State College, 1915-16. 



14 Annual Report, Penna. State College, 1913-14, 1915-16. 



15 Annual Report, Penna, State College, 1915-16. 



