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Clinical signs of Foot and Mouth Disease - Pigs

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Photo of one day old unruptured vesicles on a pigs snout
Plate 33 - One -day-old unruptured vesicles on the snout of a pig.
Photo of one day old vesication of pigs snout, gum and lips
Plate 34 - One-day-old vesication of a pig's snout, gum and lips.
Photo of two day old vesicles on a pigs snout
Plate 35 - Same animal as shown im Plate 34, 1 day later, i.e. 2-day-old vesicles. Note necrosis of ephithelium at lesion sites.
Photo of three day old lesions on a pigs snout
Plate 36 - Same animal as in Plate 35 with 3-day-old lesions. Note extensive necrosis of affected epithelium.
Photo of a pigs snout with four day old lesions
Plate 37 - The same animal as in Plate 36, 1 day later i.e. 4-day-old lesions. Scab formation and healing evident.
Photo of pigs tongue with one day old unruptured vesicle
Plate 38 - Mouth of pig showing single, 1-day-old, unruptured vesicle at edge of tongue.
Photo of pigs tongue with three day old lesions
Plate 39 - Three-day-old lesions on the tongue of a pig. Sero-fibrinous in-filling and early healing are evident in the lesions at the edge.
Photo of pigs tongue with four day old lesions
Plate 40 - Four-day-old lesions on the tongue of a pig. Fibrinous in-filling is extensive.
Note similarity with bovine lesions of same age in plate 6.
Photo of pigs tongue with healed eight day old lesions Plate 41 - Tongue of pig showing 8-day-old healed lesions.
Photo of one day old coronary band lesions on a pigs foot Plate 42 - One-day-old coronary band lesions on a pig’s feet.
Photo of two day old unruptured vesicle on supernumerary digit of a pigs foot Plate 43 - Unruptured vesicle on the supernumerary digit of a pig’s foot. Two days of age.
Photo of a pigs foot with three day old lesions along the coronary bands of main and supernumerary digits Plate 44 - Pig’s feet with 3-day-old lesions along the coronary bands of main and supernumerary digits.
Photo of a pigs foot with six day old lesions Plate 45 - Six-day-old lesions on a pig’s feet.
Note sero-fibrinous in-filling.
Photo of a pigs feet with eight day old lesions Plate 46 - Pig’s feet with 8-day-old lesions. Under-running of horn tissue is evident as well as extensive scab formation and healing.
Photo of a pigs feet with nine day old lesions Plate 47 - Pig’s feet with 9-day-old lesions.
Photo of front of pigs feet with nine day old lesions Plate 48 - The same pig’s feet as shown in Plate 47, also at 9 days.

 

All of the above images are Crown Copyright. Information on Crown Copyright and the use of this material is available on Defra website.

The images on this page are taken from the 'Foot and Mouth Disease Ageing of Lesions' Adobe acrobat pdf file (1.3 MB - Please note this is a large file) publication which was revised in January 2005.

 

Page last modified: 14 January, 2008

Department for Environment, Food and Rural Affairs