Nov., 1910.] ANNUAL REPORTS. 39" 



3. Tobacco Feeding for the Eradication of the Stomach Worm in Sheep 



Haemonchus contortus). 



For years all manners of remedies have been tried for the prevention and 

 destruction of the stomach worm in sheep. Pome have proven fairly suc- 

 cessful; others, even after a limp period of general use, have been discarded aa 

 ineffectual or, if effective, difficult to administer satisfactorily. Within recent 

 years the feeding of tobacco for this purpose has gained high favor with many 

 shepherds. However, little evidence emanating from systematic experimental 

 work and setting forth the vermifugal qualities of tobacco when the crude 

 unaltered product is fed, has thus far been recorded. By actual feeding tests 

 this station hopes to discover the true merits of tobacco in this regard. The 

 experiment was commenced last summer. 



The main source of tobacco is the stems or midribs that are taken from the 

 leaves when cigars are made. These can be bought from any cigar manu- 

 facturer at an exceedingly low price, usually about half a cent a pound. Sev- 

 eral different methods have been tried of placing the tobacco before the sheep, 

 so that they will eat abundant quantities of it at will. Results so far show- 

 that they take to it most readily when the material is dipped in salty water. 

 This is kept constantly before the sheep. They receive no other salt. The 

 sheep become very fond of it and will eat large quantities. No injurious effect 

 has as yet been observed upon the sheep. For the experiment aged ewes 

 and lambs, showing every indication of being badly infested with stomach 

 worms, were purchased. The test will be continued for a year or more, 

 until some satisfactory result can be attained. 



Extension. 



The animal husbandman and his assistant delivered a number of lectures on 

 livestock topics at grange and other farmers' meetings during the past year. 

 These lectures represent a most popular means of bringing before farmers 

 instruction in up-to-date agricultural methods. Extensive growth in the corre- 

 spondence handled by this department last year has been a source of keen satis- 

 faction. Letters of inquiry have been received and answered upon almost 

 every phase of the livestock industry. Moreover, this department is at all 

 times willing to give assistance to farmers seeking information upon the 

 feeding, management and diseases of all classes of animals and poult ry. 



REPORT OF THE DEPARTMENT OF 

 ENTOMOLOGY. 



w. c. o'kane. 



The work of this department for the biennial period ending October 30, 

 1910, falls into three groups, as follows: 



1. Major investigations. These are exhaustive studies, earned on under 

 the Adams Fund, and are undertaken with the purpose of conducting extended 

 experiments that shall cover all aspects of the subject involved 



