Tag Archives: Mineral oil


Skin Scraping Patient Preparation None required. Technique Skin scrapings frequently are obtained to find and identify microscopic parasites or fungal elements in the skin. Material required includes mineral oil in a small dropper bottle, a dull scalpel blade, glass slides, coverslips, and a microscope. Select undisturbed, untreated skin for a scraping site. The best method… Read More »

Diseases Of The External Ear Canal Otitis Externa

Normal Anatomy and Physiology The external ear canal collects and delivers sound to the tympanic membrane. The ear canal is composed of auricular and annular cartilages that roughly approximate with the vertical and horizontal portions of the canal. The normal dog has a 45-degree angle of the horizontal canal; the angle is approximately 90 degrees… Read More »

Diseases of the Ear: General Principles Of Management

The therapeutic plan for otitis externa requires identification of the primary disease process and perpetuating factors. Ideally management is aimed at thoroughly cleaning and drying the ear canal, removing or managing the primary factors, controlling perpetuating factors, administering appropriate topical or systemic therapy (or both), and evaluating response to therapy. Ear Cleaning Ear cleaning serves… Read More »

Perineal Lacerations

Perineal lacerations occur during unassisted foaling, most commonly in primiparous mares. Lacerations are caused by a combination of foal limb malpositioning and the violent, unpredictable expulsive efforts that accompany equine parturition. The foal’s hooves can engage the roof of the vestibule during forceful contractions and may lacerate the dorsal wall of the vestibule. The resulting… Read More »

Postpartum Prolapse and Genital Tract Lacerations

Uterine Prolapse The veterinarian can be presented with a case of uterine prolapse under two conditions. The first is the prolapse that occasionally occurs under general anesthesia when the mare is in dorsal recumbency. The second is the prolapse that occurs during natural foaling. The former type of prolapse usually is associated with delivery of… Read More »

Rupture Of The Small Colon Mesentery

Rupture of the mesentery of the small colon can occur during parturition — after either rectal prolapse or an apparently normal foaling. Stretching of the mesentery during parturition tears the distal small colon mesentery from the bowel for a varying length. Rupture of the small colon mesentery can be difficult to diagnose. Clinical signs associated… Read More »

Diagnosis of Uterine Torsion

The clinical signs that first attract the owner’s attention are the result of abdominal pain. These signs may include restlessness, sweating, anorexia, frequent urination, sawhorse stance, looking at the flanks, and kicking at the abdomen. When the veterinarian is first summoned the signs may have been present for a couple of hours, but sometimes for… Read More »

Impciction, Anal Sacculitis, and Abscessation

Several common infectious or inflammatory diseases affect the anal sacs, including anal sac impaction, anal sacculitis, and abscessation of the anal sacs. These diseases are more common in dogs than cats, affecting up to 12% of the canine population. History and Physical Examination The most common clinical signs of anal sac disease are anal pruritus… Read More »


Chemistry A vitamin D analog, dihydrotachysterol (DHT) occurs as odorless, colorless or white crystals, or crystalline white powder. It is practically insoluble in water, sparingly soluble in vegetable oils, and soluble in alcohol. Dihydrotachysterol may also be known as dihydrotachysterol, dichysterol, or dihydrotachysterol- Storage – Stability – Compatibility All dihydrotachysterol products should be stored at… Read More »