QUESTIONS AND ANSWERS 199 



presence of the ova in the faeces, usually terminates in death. Some 

 recover to be reinfected the following year and then succumb. 



Treatment: Prevention; drain soils, avoid low, damp, infected 

 pastures, give common salt in feed, feed well and fortify the system ; 

 tonics, vermifuges. Treatment is unsatisfactory. 



State the effects of overfeeding cattle and swine with cotton-seed meal. 

 May produce garget and mammitis in cattle. Will destroy the life 

 of swine with symptoms of scurvy and grave constitutional disorders. 

 In both animals, it may produce diarrhoea, lachrymation, abscess for- 

 mation, ulceration of the cornea, staphyloma, fever, oedema of the 

 legs, congestion of the liver and spleen, and high-colored urine. 



Diseases op the Neevous System 



What is loco poisoning? Where and when is it enzootic and how can 

 it be prevented? 

 Loco poisoning is a disease of animals, manifested by cerebral 

 disturbances, caused by eating a certain variety of leguminous 

 plants. After once eating these plants, a desire for more becomes 

 a veritable craze or neurosis and the patient becomes unmanageable, 

 vicious and loses flesh. 



It is enzootic in the summer and fall of the year in the Rocky 

 Mountain states and Pacific coast region. To prevent the disease, 

 do not pasture animals on fields where the plant is present, nor 

 feed hay and grasses from such fields. 



Describe immobility. Give its causes, symptoms, diagnosis and treat- 

 ment. 



Immobility, chronic hydrocephalus, is a chronic disease of the 

 braip. 



Causes: Heredity, congestion of the brain, traumas, venous 

 obst^niction, tumors, insolation, hepatic, gastric and pulmonary 

 disorders. 



Symptoms: Stupid expression, sluggish movements, dulled re- 

 flexes, slow mastication, failure to respond to commands, standing 

 with legs crossed or in other abnormal positions for long periods of 

 time, incoordinate movements. 



Diagnosis: Easy in well-marked cases. The above symptoms, 

 together with a normal temperature, are almost conclusive. 



Treatment: Derivatives, nux vomica, purgatives, potassium 

 iodide and other drugs may relieve, but the disease is incurable. 



Describe abdominal vertigo. Give causes, symptoms, prevention and 

 treatment. 

 Abdominal vertigo, stomach staggers, is a complication of gastric 



