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Harrison's groove, also known as Harrison's sulcus, is a horizontal groove along the lower border of the thorax corresponding to the costal insertion of the diaphragm; it is usually caused by chronic asthma or obstructive respiratory disease. It may also appear in rickets because of defective mineralisation of the bones by calcium necessary to ...
The prominent knobs of bone at the costochondral joints of rickets patients are known as a rachitic rosary or beading of the ribs.The knobs create the appearance of large beads under the skin of the rib cage, hence the name by analogy with the beads of a Catholic Christian rosary.
Dictyocaulus viviparus found in the bronchi of a calf during necropsy (arrow). Parasitic bronchitis, also known as hoose, husk, or verminous bronchitis, [1] is a disease of sheep, cattle, goats, [2] and swine caused by the presence of various species of parasite, commonly known as lungworms, [3] in the bronchial tubes or in the lungs.
Original file (943 × 1,404 pixels, file size: 1.33 MB, MIME type: application/pdf, 20 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Bovine respiratory disease (BRD) is the most common and economically devastating infectious disease affecting beef cattle in the world. [1] It is a complex, bacterial or viral infection that causes pneumonia in calves which can be fatal. It also affects many other species of feedlot animals like sheep and pigs, but is most prominent in calves. [2]
Sweating sickness is "an acute, febrile, tickborne toxicosis characterized mainly by a profuse, moist eczema and hyperemia of the skin and visible mucous membranes." [1] It affects cattle, mainly calves, [2] mostly in southern and eastern Africa.
Publications include Nutrition and Disease – the Interaction of Clinical and Experimental Work (Edinburgh and London: Oliver and Boyd, 1934). In the work, he writes extensively on vitamin deficiency. He delivered the Harveian Oration to the Royal College of Physicians in 1938. Experimental Rickets (1925) The Fat-Soluble Vitamins (1933)
The disease is spread by various Amblyomma ticks, and has a large economic impact on cattle production in affected areas. There are four documented manifestations of the disease, these are acute, peracute, subacute, and a mild form known as heartwater fever.