As to Foot-and-mouth disease, it is a light matter among stirks and lean cattle—they will be little if any the worse of it; but it is very serious amongst heavy feeding cattle and milch cows. If fat cattle are attacked, they should have their turnips sliced, with crushed oilcake and meal. There is no treatment of any avail in the fever stages. When the fever is gone, there will be a beast or two out of a lot whose feet will require attention. The horn of the hoof gets loosened from the flesh. The animal may require to be thrown and the dead horn cut away. It must be remembered that it will never attach itself again. The veterinary surgeon should generally perform the operation, unless the owner is skilful himself. Cows require great attention. The disease seats itself in their udders, and unless they are most carefully milked out they may be rendered useless as milkers—losing one, two, or even all the quarters of the udder. The foot-and-mouth disease is very infectious. I recollect having carried it home from a neighbouring farm, by merely handling a bull which was down with the disease. I came straight home and handled the first beast opposite the door in one of my own byres; in three days he was seized with the complaint; and in two or three days thereafter nearly every beast through the steading was down with it. Out of forty fat cattle thirty-eight had it, only two escaping. Upon inquiry I found that one of them had had it before. I lost from £4 to £5 of condition on an average off every one of the thirty-eight. From the same farm and at the same time a veterinary surgeon had been called in. He went straight to another farm six miles distant, and in a few days every animal there was seized with the same complaint. It is the general belief that an animal will not take the foot-and-mouth disease twice. This is a mistake. I have a cow that took it twice, but there were seven years between the attacks.
I have had the Lung disease on two farms; all known treatment is unsatisfactory. I believe, if the attack be violent, no treatment will save the animal. It is sometimes difficult to know it at first. There will generally be a cough, but it is not the clear cough of the animal in health. It is compressed, and the animal coughs unwillingly and with evident pain. The particular cough cannot be mistaken, and the grunt is a never-failing symptom. There is generally one lung more affected than the other. The ear being applied to the chest will discover the impeded circulation. Many cattle take the disease so slightly that it is never discovered. Some have little if any cough, and the pile continues soft and healthy. I recollect a milking cow which I was suspicious had the disease. I made her be run out; there was no acceleration of breathing; her coat was fine, and there was no diminution of the milk; but she gave a grunt which confirmed me in my opinion that she had had a slight touch of the complaint. The grieve, a most intelligent man, was satisfied that the cow was healthy. I fattened her, and for my own information had her slaughtered at home. It was three months after, and the post-mortem examination showed one of the lungs, to the extent of about the size of a crown-piece, adhering to the ribs—a sufficient proof that my conjecture was correct. Many take the disease that are never suspected. I had a bullock showing some symptoms of the disease in a byre amongst ten. The others were, to all appearance, in perfect health. I sent them immediately to London. My salesman was instructed to inspect the carcasses after they were slaughtered, and to report. He did so carefully, and there was not one of the number but had their lungs more or less affected. Mr Collie, Ardgay, Morayshire, had a byre of cattle slaughtered under the same circumstances, and with the very same result. Pleuro-pneumonia is not so infectious as foot-and-mouth disease, but if it get into a farm-steading it is most difficult to get clear of. I have known cattle infected in three days. I had bought a lot of cattle from a farm in Morayshire where the disease has never been up to this hour. It was in the month of April. There were two or three of the lot that I did not think profitable to graze. I tied them in a byre where infected cattle had stood. They were only to be kept a week or two, and I had no idea of danger. One of them took the disease very badly in three days after he was tied up. I have known it lie dormant in the system (as to any visible appearance) for three months and a half. I found the general period of incubation from five to six weeks. I have taken the greatest pains with the byres where the infected cattle stood, having the wood-work taken out, the roofs and greeps carefully scraped and washed with soap and warm water, lime-water, and afterwards with chloride of lime; and yet, after all this labour, I have seen the disease break out again and again. After repeated outbreaks, I not only removed the wood-work, but the whole of the stones in the stalls and greeps, and buried them. I had the roofs and stone mangers, &c., carefully scraped, and washed with soap and warm water, and afterwards with chloride of lime. They were then closely painted, and lastly coal-tarred; but it was only after five or six months' perseverance that I got clear of it. Having heard a report that a cow belonging to my cousin, Mr M‘Combie, editor of the 'Free Press,' was labouring under pleuro-pneumonia, I went to see her. Mr Sorely, veterinary surgeon, was in attendance. As there had been no disease in the neighbourhood for five years, I was unwilling to credit the report. But a more marked case I have never witnessed; and the post-mortem examination showed all the symptoms of the fell disease. Mr Sorely, Mr M‘Combie's overseer, and I, all agreed that as a wood dividing-partition had been allowed to remain since the time of the previous infection, and the cow was seen chewing pieces of the wood that had got rotted at the base, the wood had retained the poison, and the cow had been infected from the chewing of it. The breath is the cause of the infection when cattle are housed together and the disease introduced. It generally attacks the animals standing at the walls first. The breath is driven by different currents through the building to the walls, where it is stopped; it rebounds, and hence the beasts at the walls generally fall the first victims—so, at least, I have found it in my experience. I had forty beasts divided by a stone-and-lime mid-wall to the level of the side-walls; up to the roof there was a strong and close division of wood. Unfortunately there had been a small aperture about two feet square left open. I made an observation to the cattleman that I should not be at all surprised if the disease came from the infected byre through the opening to the byre where the cattle were sound. The first or second day thereafter the animal standing below the aperture was seized, and got down in the disease.
In treatment I have no confidence, having tried everything that could be tried and completely failed. I would, however, recommend that neither hay nor straw be given to animals labouring under the disease. I lost a valuable bull, after he was recovering, from this cause. He was allowed to eat too freely of hay, which he could not masticate; and when opened after death, an ordinary bucketful of hay was found in his stomach, as dry as when it was eaten. I have come to the conclusion that no animal should be allowed hay or straw while unable properly to masticate its food. It is well ascertained that when the poison is lying dormant in an animal, it will infect the other cattle before it is visible in itself. As a confirmation of this fact, I had a sale of breeding stock after the Dumfries show, on Thursday, 30th August 1860. The cattle seemed to be in perfect health on the day of the sale; about three-fourths of them were removed on Friday. The day following—viz., Saturday—a cow was taken ill. I entertained fears that it might turn out pleuro-pneumonia; and circulars were sent to the parties who had removed their cattle. The buyers isolated the cattle bought at the sale from their own stock. Two of the beasts that had been removed died, other two took the complaint and recovered; but fortunately it did not spread amongst the buyers other stock. The cow first taken ill recovered, and another that was left over took the disease and recovered. But, further, a bull was withdrawn from the sale and sent home to Tillyfour from Dorsell the night of the sale, to all appearance in perfect health, though he afterwards died of the disease. He was watered at a watering-place on the roadside, where a crofter's cattle watered daily. The crofter's cattle went down in the disease, and one of them died. Many were the weary days and restless nights I endured when the disease got fairly developed through two of my largest steadings. It is in such cases that the value of a clear-headed veterinary surgeon is appreciated. I would not be well away from one steading, when a messenger would meet me with intelligence of some disaster at the other. I had many beasts being fed on other farms as well as those on my own—not fewer than 400 one way or other. I have said how much I am indebted in such emergencies to the advice and counsel of a clear-headed veterinary surgeon. The disease was in the midst of my breeding stock, and two or three had succumbed to it. Mr Sorely and I were brooding over this state of matters, when I asked him whether he could do anything to save the herd. He said, "I will think over it till to-morrow." He came on the morrow, and seven successive evenings, and administered to each animal a drench, and he would trust no one but himself to do it. I believe there were three changes of medicine; not one animal which got the medicine took the disease, although they had been standing in the midst of it. There was one worthless old milk cow amongst the others, that I did not think worth the trouble of giving the medicine to; she took the disease, and was fed with gruel for fourteen days, and recovered, while the others continued in perfect health.
I have related the diseases that are of a local character, as they have come under my own notice, without any desire to set myself up as an authority. My experience has led me to differ in many respects from eminent authorities. I have merely stated my own experiences during a lifetime that has been devoted to the management of cattle; they are written with no view of superseding the valuable assistance of the veterinary surgeon; but every farmer ought to know and be able to treat the local diseases incident in his neighbourhood which are not of a dangerous character. When they are dangerous, the owner ought to be able to distinguish them at once; and in that case not a moment should be lost in calling in the aid of a veterinary surgeon.
THE END.
PRINTED BY WILLIAM BLACKWOOD AND SONS, EDINBURGH.
FOOTNOTES
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As to giving potatoes to store cattle, since writing the above, I wish to modify the opinion I have expressed to a certain extent. I had a conversation with Mr Hope on the subject, and he states that his belief is, that potatoes are not prejudicial to the growth of store cattle when put to grass, and that his practice is to give them potatoes. I will admit that a few potatoes may not do a store beast much harm; but in my experience in Aberdeenshire I have found that in cattle which have been fed with potatoes the black colour changes to a dusty brown; they are also bad thrivers. A beast that sports that colour is never doing well. I shall, however, prosecute the inquiry.