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Scald and Footrot Most outbreaks of lameness in sheep are caused by scald (interdigital dermatitis) or footrot. Scald and footrot share the same primary cause, the bacterium Fusobacterium necrophorum which cause damage to the superficial layer of the skin between the claws and enables the establishment of other bacteria, including Dichelobacter nodosus, which causes footrot.
Test your knowledge - Scald & Footrot Quiz
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Facial Necrosis As pigs struggle and compete to suck on a teat, piglet mouths are brought into close proximity with each other and there is a tendency for aggressive lunges or more sustained aggression leading to scrapes and lacerations of the cheek, jowl and side of the snout. The larger the litter the greater the competition and resulting facial damage.
Test your knowledge - Facial Necrosis Quiz
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Abortion in Cattle Infectious agents causing infertility/abortion may affect one or two individual animals in the herd but often cause widespread problems within a herd. It is very important to remember that many infectious causes of abortion can be transmitted to humans (referred to as zoonotic infections).
Test your knowledge - Abortion in CattleQuiz |
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Stillbirths - Pigs that are born dead may have died at any time during the farrowing process or before. If they have died in earlier pregnancy (up to 110 days gestation) there will be evidence of complete or partial mummification, whereby the fluid component of the foetus is reabsorbed leaving just skin and bone. If the piglet dies in the few days prior to birth, it is likely to be swollen, slimy and may show early signs of decomposition.
Test your knowledge - Stillbirths Quiz
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Parasitic gastroenteritis (PGE, gut worms) usually affects growing cattle grazing contaminated pasture during their first summer at grass, typically dairy calves where the same pastures are used for this class of stock every year. Typically these fields are too small, or are away from the home farm and not suitable for the main dairy herd.
Test your knowledge - PGE in CattleQuiz
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Preventing Lamb Losses Perinatal lamb mortality in the majority of UK flocks is quoted as 15 to 25 per cent which represents 3 to 7 million dead lambs annually. In well-managed UK flocks, vaccinated against toxoplasmosis and enzootic abortion (or EAE-accredited flock), lambing indoors (or outdoors during good weather) the target perinatal lamb mortality figure should be less than 7 per cent
Test your knowledge - Lamb Losses Quiz
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Navel Bleeding Following birth of the pig, a proportion of the blood volume will be left in the umbilical cord. This should constrict and “push” this blood into the body and the remaining blood immediately clots to prevent leakage. If this constriction does not occur fully – such as with the “black pudding” navel, or if relaxation recurs or if the blood fails to clot, loss of blood will occur.
Test your knowledge - Navel Bleeding Quiz |
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