580 HORSE AND CATTLE MEDICINES. 



be administered in feed, if the animal will eat it; if not, 

 give it in gruel in the form of a drench. Twelve grains 

 is the dose required to kill a full grown horse. 



Arsenite of Strychnia is recommended by the French 

 veterinary surgeons, in nasal discharges, but with what 

 effect is not stated. If it does not cure, as I suppose 

 it does not, it only serves to show to my mind how utterly 

 ignorant veterinary surgeons are in regard to tlie true 

 pathology of these discharges, supposed to be glanders. 

 Mr. Gamgee, on the International A^eterinary Congress, 

 held at Hamburg, says, " when the subject of glanders was 

 mentioned, no one responded.'' Why? certainly not that 

 they knew all about it. No, the contrary is the case, for 

 they knew notliing at all about its nature, and hence we 

 have the French using a drug the least of all likely to 

 change, arrest, or cure tlie disease. Prussian bhie is said 

 to contain ten per cent, of strychnia; some packages 

 contain as high as sixty grains. 



Oak Bark. — Quercus Cortex. This is a good astringent 

 for outward use, or for sores which discharge or run 

 matter. Tlie bark is boiled : half an ounce to a pint of 

 water. This decoction is an excellent remedy for drying 

 up the moisture of greasy heels, so troublesome in horses. 

 In diarrhoea in calves, given in four drachm doses, much 

 good Avill result. 



Oils. — Tliere are two varieties of oils used in medicine 

 — fixed and volatile. 



Fixed Oils. — Castor, olive, linseed, croton and neats'- 

 foot oil. The uses of these oils will be found treated of 

 under their respective heads. 



Opium. — Papaver Somniferum. The dried juice of the 

 white poppy, and is one of the most remarkable substances 



