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There are a number of parasites found in pets, some are passed from the mother to her offspring and some are picked up from the environment. It is important for the health & wellbeing of your pet, as well as you and your home, that he/she is properly treated. Prevention is definitely the most effective method and regular flea and worm control will help to protect your pet and also reduce environmental contamination.




The larvae of these worms are often passed across the placenta from mother before birth or via the milk when suckling; they migrate around the body until they become adult worms in the intestines. Once these worms have reached maturity, they start producing large numbers of eggs. Animals re-infect themselves by ingesting these eggs during grooming. Heavy worm burdens can cause poor growth and diarrhoea. Humans too can be at risk from these worms especially children who inadvertently ingest the eggs after handling pets or playing in contaminated gardens or play areas. Roundworms cause Toxocariasis. This usually affects children under the age of 10 years where the larvae can cause organ damage particularly to the eye resulting in impaired vision.




These are flat segmented worms which need an intermediate host – generally a flea or a small rodent - to complete their life-cycle. They attach themselves to the small intestine and can grow up to 5 metres long. They appear as flat ribbon-shaped pieces or pale segments the size of a grain of rice in the faeces. Pets can become infected whilst grooming, by ingesting fleas which are carrying tape worm larvae or in the case of cats by catching infected prey such as mice. These larvae soon turn into adult worms.




The larvae of these worms are carried by slugs and snails and can be ingested by dogs unsuspectingly whilst licking or eating grass. Disease appears to be most common in young dogs and can be fatal. Signs vary from coughing and breathing problems to bleeding and neurological problems.




Fleas are the primary cause of skin problems in animals. Some pets suffer from an allergic reaction to the flea saliva and need only a couple of bites from a flea to trigger a severe reaction. Pet fleas can also bite people although they can’t live on us. If there are large numbers you may spot one or two but they are designed to run rapidly through the hair, so it may be easier to look for flea dirt. This is black gritty material which if placed on a damp tissue will turn red.


Each adult female flea will take a blood meal, then mature and lay thousands of eggs which are shed into carpets, laminate floors and furnishings. These eggs hatch into larvae which feed on skin detritus and flea faeces. In the pupal stage they can lie dormant for up to a year until the correct conditions of warmth, humidity and vibration occur for them to hatch into adult fleas. This dormant phase can result in a severe flea epidemic rapidly developing. Only adult fleas, which make up less than 5% of the total flea population, live on our pets. Consequently correct environmental treatment is an essential part of successful flea control.




Ticks are not only a nuisance and an irritation to your pet but they can also in some instances transmit diseases. Ticks are generally found in grassland, scrub, shrubs and low hanging branches waiting for animals to brush against them so that they can climb on board. The tick then burrows its head parts into the skin to suck a blood meal and become engorged. At this point they look like a silvery grey or brown bubble or wart like lesion. The commonest problem associated with ticks is the sores and secondary infections at the site of attachment. Please contact us if you think your pet may have a tick as they should not be pulled off.


Ear Mites


These mites are found in the ear canal and may occasionally colonise the adjacent skin of the head. The mites cause irritation of the lining of the ear canal which then becomes full of a crusty black discharge. It can give rise to intense irritation causing head shaking, scratching of the ears and secondary infections.




This is caused by Sarcoptic mites which live under the skin. They cause intense itching leading to hair loss and self trauma. The mites are typically picked up when the dog walks over ground recently visited by foxes.


As with most things, prevention is better than cure.  Regular worming and flea control will help to prevent many of the internal and external parasites that your dog can acquire.  We can give advice on the most suitable worming and flea control for your dog and if you find it difficult to administer the treatment we offer complimentary appointments with one off our Veterinary Nurses who will be able to do it for you*.


* worming and flea products will be charged for.

Fleas and Worms