■ • • 



• ■•■ : :• : • 



4 Departnu'it Cx'r£WdK|f, T$J$. Department of Agriculture. 



Doubt as to the cause of the trouble ran be removed by an exami- 

 nation of the fourth stomach. For examination purposes, any one 



unfamiliar with the ailment can well afford to kill an affected lamb. 

 If there is any uncertainty as to the position of the fourth stomach 

 it can be ascertained by taking hold <»f any part of the -mall intestine 

 and following it forward. The fourth stomach is one of the 4 com- 

 partments into which the stomach is divided ami i- the portion con- 

 tinuous with the forward end of the -mall intestine. When the 

 fourth stomach is found, it should be held bo .1- to prevent the 

 fluids from leaving it at either end, and an incision made along 

 nearly the full length of the upper part. When this is done the 

 stomach worms, if present, can be seen, often in large numbers, 

 wriggling around in the fluids. They are from one-half to 1} inches 

 long, about as thick as an ordinary pin, and spirally striped with 

 red and white. It is often necessary to look closely for some time 

 in order to distinguish them. When the stomach is emptied some 

 of the worms can be seen adhering to the inside walls. 



HOW DO THE WORMS INJURE THE SHEEP? 



The injurious action of the stomach worms may be attributed to 

 two things: First, the loss of blood abstracted by the parasites, and 

 second, the destruction of red corpuscles by a poisonous substance 

 which is secreted by the parasites and taken up by the blood. Evi- 

 dently the older, stronger, and larger sheep are better able than the 

 lambs to withstand the loss of blood, and can better endure the I 

 duo to the destruction of red corpuscles. Furthermore, in the blood 

 of adult sheep there may be substances tending to neutralize the 

 poisonous matter produced by the parasites that are absenl from the 

 blood of lambs, or that, if present, occur in smaller quantities. 

 Besides the direct injury caused by stomach worms it is nof unlikely 

 that damage is also done by bacterial infection through the wounds 

 the worms make in the mucous lining of the stomach. 



HOW SHOULD INFESTED SHEEP OR LAMBS BE TREATED? 



MEDICINAL TKi: A I U INT. 



[f taken in time, most cases of stomach worms can be treated 

 successfully according to the following directions: 



Dissolve one-fourth pound (avoirdupois) of the powdered crystals 

 of copper Bulphate (bluestone) in I pint of boiling water, using a 

 porcelain or enamel-ware di h, as the Milestone corrodes most metals. 



Then add cold Wiiler enough to make the solution up to ;; gallons, 



using Wooden, cart lienw ale, or other iinelallic recept acles. This 



will make approximately a I percent solution and will be enough to 

 (lose 1(H) adult sheep, allowing Id per rent u a le. In the preparation 



of the dose use onlj clear-blue crystals of copper sulphate. Crush 



the crystal to a line powder when reads to make up (he solution. 



