MEDICINES AND RECEIPTS 601 



Dose. — For horses, 1 large teaspoonful ; cattle, 1 dessert- 

 spoonful ; sheep, 1 small teaspoonful; pigs and dogs, y 2 tea- 

 spoonful. These doses can be given every two or three 

 hours. 



19. Iodine. 



Source. — Iodine is obtained from sea plants, and is used 

 in the form of a dark brown tincture. 



Action and Use. — It is not often used internally, but is 

 used externally for sweat blisters for thickened glands by 

 painting the lump with a feather once a day until it blisters, 

 then greasing the parts and letting it go for two or three 

 days until it heals, then washing it off with lukewarm water 

 and soap and blistering again as before mentioned. 



20. Linseed. 



Source. — Linseed is used mostly in the forms of linseed 

 meal and raw linseed oil, obtained from flax seed. 



Action and Use. — Raw linseed oil is given as a very mild 

 physic, or what is called a laxative. The dose of the oil is 

 one pint poured down as a drench. In all cases, after giving 

 it to a horse or cow, allow them to stand in the stable the 

 next day -and feed light for a few days. Linseed meal is used 

 mostly, when given internally, for fattening cattle and for 

 animals recovering from weakening diseases. The flax seed 

 itself boiled is better for feeding young and sickly animals 

 than the linseed meal. Linseed meal is also used for drawing 

 poultices, and is one of the best that can be had. It should 

 always be mixed with boiling water. 



21. Laudanum. 



Source. — Laudanum is used in the form of a tincture. 

 and is a preparation from opium obtained from a plant that 

 grows in warm parts of Asia. 



Action and Use. — It is sometimes used externally for 

 rubbing- on painful swellings. In this way use one-third 

 tincture laudanum and two-thirds white liniment. Apply 

 three times a day after bathing. It is used internally in 

 almost every disease where there is pain, as it relieves pain 

 and spasms, and in this way helps greatly to check inflamma- 

 tion. 



Dcse. — For horses, 1 to 2 ounces or 4 to 8 dessertspoon- 

 fuls; cattle, 1 to 2 ounces or 4 to 8 dessertspoonfuls; sheep 



