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“Lucerne Disease.”
TRAUMATIC SALIVARY CYST
Clinical
36
Jlrticl~s
"Lucerne Disease." (Aphis D:sease, Leaf Louse Disease.)
By MAJOR H. ALLEN, R.A.v.e., Remount Depot , M ona, Punjab. I ndia. SEVERAL writers h ave recorded the occurrences, amongst imported cattle in hot countries, of a peculia r derm a titis whi ch affects the unpigmented pa rts of th e skin and is induced aft er the ingestion of quantities of certain foodst uffs, such as green clover, lucerne, trefoil or buckwheat. The wh ite parts of t he skin become covered with irrita ting sores, which a re sharply limi terl. to these parts, and do not f'xtend to the coloured portions. The writer had similar cases in his segregation paddocks at Mona I:{emount Depot during 1927, amongst the young stock horses, fed on lucerne heavily infested with Aphis in large quantit ies. Th e white parts of the head and limts on ly were affected. The inflammation of the parts, however, very soon disappeared , and this was fo ll owed by prolonged disquamation. It is inte resting to consider th e possibility t hat a photo-sensitive substance absorbed with the foodstuffs is excreted t h rough the skin and, unde r the action of t he strong direct rays of t he sun , is converted into something which p roduces t h e i rritating efiects upon the white patches. Hlltyra and Marek.
\'0 1.
iii, 1!)26, p. 633.
"Traumatic Salivary Cyst, with Calcareous De .. posits on Outer Wall, Occluding Stenson's Duct." By MAJOR H. ALLEN, R.A.V.e., R emount Depot,
~Mona,
P unjab, I ndia.
SUBJECT.-Ches tnut country- bred gelding aged four years, seven and a half m ont hs. HISTORY.-Was ad mitted fo r Bast ard Strangles involving the face a rea on Ap ril 4th , 1925, a nd was disch arged convalescent on \ [ay 4th , 1925. Block age of Stenson 's d uct in the shape of a soft movable painless swelling a bout the size and sh ape of a guinea-fowl's egg, was noticed on October 17th , 1927 , lying over the posterior edge of the left ramus , associa ted with distension of the d uct behind th e swelling and damming of the sali\·a .
Clinical
36
Jlrticl~s
"Lucerne Disease." (Aphis D:sease, Leaf Louse Disease.)
By MAJOR H. ALLEN, R.A.v.e., Remount Depot , M ona, Punjab. I ndia. SEVERAL writers h ave recorded the occurrences, amongst imported cattle in hot countries, of a peculia r derm a titis whi ch affects the unpigmented pa rts of th e skin and is induced aft er the ingestion of quantities of certain foodst uffs, such as green clover, lucerne, trefoil or buckwheat. The wh ite parts of t he skin become covered with irrita ting sores, which a re sharply limi terl. to these parts, and do not f'xtend to the coloured portions. The writer had similar cases in his segregation paddocks at Mona I:{emount Depot during 1927, amongst the young stock horses, fed on lucerne heavily infested with Aphis in large quantit ies. Th e white parts of the head and limts on ly were affected. The inflammation of the parts, however, very soon disappeared , and this was fo ll owed by prolonged disquamation. It is inte resting to consider th e possibility t hat a photo-sensitive substance absorbed with the foodstuffs is excreted t h rough the skin and, unde r the action of t he strong direct rays of t he sun , is converted into something which p roduces t h e i rritating efiects upon the white patches. Hlltyra and Marek.
\'0 1.
iii, 1!)26, p. 633.
"Traumatic Salivary Cyst, with Calcareous De .. posits on Outer Wall, Occluding Stenson's Duct." By MAJOR H. ALLEN, R.A.V.e., R emount Depot,
~Mona,
P unjab, I ndia.
SUBJECT.-Ches tnut country- bred gelding aged four years, seven and a half m ont hs. HISTORY.-Was ad mitted fo r Bast ard Strangles involving the face a rea on Ap ril 4th , 1925, a nd was disch arged convalescent on \ [ay 4th , 1925. Block age of Stenson 's d uct in the shape of a soft movable painless swelling a bout the size and sh ape of a guinea-fowl's egg, was noticed on October 17th , 1927 , lying over the posterior edge of the left ramus , associa ted with distension of the d uct behind th e swelling and damming of the sali\·a .