1921.\ THE DISEASES OF ANIMALS OBDINANCE. 12 



Treatment — Isolation of animals and Mallein tests. Slaughter 

 affected animals. 



N.B. — ^There is a disease known as Epizootic Lymphangitis or South 

 African Farcy. In this condition there in cording of the lymphatics 

 with buds along their course, but these buds contain thick rich pus and 

 in this pus the organisms that cause the disease can easily be seen with 

 the use of the microscope. Animals suffering from this disease do not 

 react to Mallein. 



This disease is contagious and it is proposed in the near future to 

 have it included in the list of diseases in the Ordinance. 



Foot and Mouth Disease. 



Definiilon — A contagious and eruptive fever due to an undiscovered 

 infective agent. 



Animals affected— Csd,t\e, sheep and pigs, ;but all animals and even 

 human beings may suffer from it. 



Symptoms — It is not a very fatal disease, but it spreads with alarming 

 rapidity and stock lose condition to a marked extent when attacked. 

 The temperature rises, there is marked salivation, lameness is present, 

 and at times it is the first symptom. In cattle blebs are found on the 

 lips and tongue, at times between the toes and on the teats of the coav. 

 Milk, saliva, and the secretions of the vesicles are highly infectious. 



Fost mortem— ^IwcowH membranes are congested. The pharynx, 

 stomach and intestines blood tinged. The heart pale and lungs swollen. 



Treatment— Isolation and slaughter of affected animals. Destruction 

 of manure, bedding and all pen utensils. 



Sheep Pox. 



Definition— \ contagious eruptive fever caused by^in agent which 

 is as yet undiscovered. 



Animals aff^ected—On\y sheep are as a rule liable to'contract this 

 disease. Goats occasionally become affected as a result of contact with 

 sheep affected with pox. 



/S'//»/^>^o/*;s— Sometimes the disease runs a very rapid course which 

 ends fatally in a few days. This form is seen chiefly in lambs. The 

 -chief symptoms are tliose of fever, intoxication and paralysis. An 

 eruption in the form of red spots appears on the membranes of the eyes 

 and nose and on the hairless parts of the skin. In older sheep the 

 disease begins by signs of serious illness, the temperature is Ihigh and 

 there is loss of appetite. Eruptions appear on the nmcous men:ibranes 

 of the nose, eyes and mouth and on the hairless parts of the skin— inside 

 the thighs, elbows and under the belly. These eruptions start as 

 pimples with a reddened base. 



Fost mortem — One finds the above described pimples and eruptions 

 on the skin. The throat is inflamed and ulcerated. Tlie cavities of the 

 -chest, heart sac and abdomen contain a reddish coloured fluid. 



