Diseases of the horse and how to treat them; a concise manual of special pathology for the use of horsemen, farmers, stock-raisers, and students in agricultural colleges in the United States . and ifthe slight changes I have mentioned do not answer, Thorleys orHenris food may be tried with great probability of success. BOTS. The LARViE of the oestrus equi, a species of gadfly, are ofteofound in large numbers, attached by a pair of hooks with whichthey are provided, to the cardiac extremity of the stomach; theyare very rarely met with in the true digestive portion of thisorgan, but sometimes in
Diseases of the horse and how to treat them; a concise manual of special pathology for the use of horsemen, farmers, stock-raisers, and students in agricultural colleges in the United States . and ifthe slight changes I have mentioned do not answer, Thorleys orHenris food may be tried with great probability of success. BOTS. The LARViE of the oestrus equi, a species of gadfly, are ofteofound in large numbers, attached by a pair of hooks with whichthey are provided, to the cardiac extremity of the stomach; theyare very rarely met with in the true digestive portion of thisorgan, but sometimes in the duodenum or jejunum in small group of these larvae, which are popularly called bots, are repre-&e/itt^d on t)ic next page, but sometimes nearly all the cardiac ex- 73 THE HOKSE. tremity of the stomach is occupied with them, the interstices beingoccupied by little projections which are caused by those that havelet go their hold, and have been expelled with the food. Several3f these papillfe are shown on the engraving, which delineates blsothe appearance of the hots themselves, so that no one can fail loteognise them when he sees them. This is important, for it often. Fig. 18.—group of bots attached to the stomach. happens that a meddlesome groom when he sees them expelledfrom or hanging to the verge of the anus, as they often do for ashort time, thinks it necessary to use strong medicine; whereas inthe tirst place he does no good, for. none is known wh-ich will killthe larva without danger to the horse, and in the second, if he willonly have a little patience, every bot will come away in the naturalcourse of things, and until the horse is turned out to grass, duringthe season when the oestrus deposits its eggs, he will never haveanother in his stomach. The (ESTRUS equi comes out from the pupa state in the middleand latter part of summer, varying according to the season, andthe female soon finds the proper nidus for her eggs in the hair ofthe nearest horse turne
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Keywords: ., bookcentury1900, bookdecade1900, bookiddisease, booksubjecthorses
