IISTDEX OF DISEASES AND REMEDIES 797 



THROMBOSIS. 



Coagulation of blood in a vein or artery ; causing partial or complete 



obstruction. 

 Absolute rest, in order to diminish risk of a portion of clot being detached 



and obstructing circulation in the brain or pulmonary vessels. 

 When affecting main artery of a limb causes intermittent lameness, 



which is incurable. 

 The oedema frequently resulting is abated by carefully applied bandages. 



THRUSH IN MOUTH. See APHTHA. 



THRUSH IN HORSE'S FROG. 



A foetid discharge from the cleft of the frog. 

 A leather sole is sometimes placed under the shoe, while the animal is 



stabled, to keep the frog dry. 

 Cleanse and disinfect cleft. 



Calomel dusted over diseased surface ; dressings of tar or wood-tar oil. 

 Regulate feeding, exercise, or work. 

 Shoe with tips if feet strong and animal works chiefly on land. 



TICKS. 



Belong to the family Ixodidse, order Acarina. 



They have been proved responsible for the transmission of certain 



diseases caused by blood parasites. 



Ixodes ricinus and /. hexagonus attack dogs, cattle, sheep, deer and 

 horses, and Hcemaphysalis punctata attacks cattle. The parasite of 

 Redwater or bovine paraplasmosis is conveyed from diseased to 

 healthy cattle by /. ricinus, H. punctata (United Kingdom), Rhipi- 

 cephalus annulatus (U.S.A.), Rh. decoloratus and others (South 

 Africa), Rh. Australia or Scrubtick (Australia). Other ticks known 

 to carry disease-producing germs are : Rh. Evertsi (equine biliary 

 fever), Rh. bursa (ovine piroplasmosis), Rh. appendiculatus (East 

 Coast fever), Hcumaphy satis Leachi (canine piroplasmosis), Ambly- 

 omma hebrceum (Heart-water of cattle and sheep), Rh. simus, Rh. 

 capensis, Hyalomma ^Egyptium, and Argas reftexus, which attacks 

 birds. 



Destroy by volatile oils ; by smearing, spraying, or dipping. 

 When not numerous may be picked off, or snipped with scissors. 

 Bath of arsenic, potashes, soft soap and water. 



Dress with wood-tar, coal-tar, or petroleum oils, or 3 per cent, creolin 

 solution. 



TINEA TONSURANS. TRICHOPHYTOSIS. See RINGWORM. 



TOOTHACHE. 



Usually results from caries, attacking chiefly the molar teeth. 

 Extract diseased tooth with forceps ; when this cannot be done, in the 



horse, the jaw may be trephined and tooth punched out. 

 In dogs, freely moisten gum with tannin dissolved in alcohol and ether, 

 or with morphine solution ; or after scraping and disinfection, stop 

 carious tooth with dental amalgam. 



TREAD. 



A bruise of the horse's coronet, usually caused by the opposite foot, or 



by another horse. See BRUISE. 



Scarification, medicated fomentation, antiseptic dressings. 

 If sloughing occur, apply antiseptics and bandages. 



TUBERCULOSIS. 



A specific disease caused by the bacillus tuberculosis, which develops 



irritation either directly or by formation of toxins, or in both ways. 



The disease is distinctly contagious. The bacillus of one mammal 



multiplies in the bodies of other mammals ; dogs have been infected 



