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Tape Worm, Ewww!

2001-11-19 at 9:35 p.m.

After reading this, I have no idea why ANYONE would want to use it as a diet aide.

More importantly, why they still do.

It's gross. Bugger has these. He came with them, it wasn't from anyone here. We don't have fleas or bugs here. Ewwwww. He and Yoda are getting treated next Saturday, thank goodness. Yoda is just a precaution. I haven't seen any signs of her being infected, but you never know.

THE COMMON TAPEWORM (Dipylidium caninum)

Biology of the Parasite

The adult Dipylidium caninum lives in the small intestine of the dog or cat. It is hooked onto the intestinal wall by a structure called a rostellum which is sort of like a hat with hooks on it. The tapeworm also has six rows of teeth to grab on with. Most people are confused about the size of a tapeworm because they only see its segments which are small; the entire tapeworm is usually 6 inches or more. (Bugger's body is only about a foot long, this thing must encompass his entire body. Poor guy!)

Once docked like a boat to the host intestinal wall, the tapeworm begins to grow a long tail. (The tapeworm�s body is basically a head segment to hold on with, a neck, and many tail segments). Each segment making up the tail is like a separate independent body, with an independent digestive system and reproductive tract. The tapeworm absorbs nutrients through its skin as the food being digested by the host flows past it. Older segments are pushed toward the tip of the tail as new segments are produced by the neckpiece. By the time a segment has reached the end of the tail, only the reproductive tract is left. When the segment drops off, it is basically just a sac of tapeworm eggs.

The sac is passed from the host�s rectum and out into the world, either on the host�s stool or on the host�s rear end. The segment is the size of a grain of rice and is able to move. Eventually the segment will dry and look more like a sesame seed. The sac breaks and tapeworm eggs are released. These eggs are not infectious to mammals. The tapeworm must reach a specific stage of development before it can infect a mammal.

Larval fleas are generally hatching in this vicinity and these larvae are busy grazing on organic debris and flea dirt (the black specks of digested blood shed by adult fleas to nourish their larvae). The flea larvae do not pay close attention to what they eat and innocently consume tapeworm eggs.

As the larval flea progresses in its development, the tapeworm inside it is also progressing in development. By the time the flea is an adult, the tapeworm is ready to infect a dog or cat. The young tapeworm is only infectious to its mammal host at this stage of its development. The flea goes about its usual business, namely sucking its host�s blood, when to its horror, it is licked away by the host and swallowed.

Inside the host�s stomach, the flea�s body is digested away and the young tapeworm is released. It finds a nice spot to attach and the life cycle begins again. It takes 3 weeks from the time the flea is swallowed to the time tapeworm segments appear on the pet�s rear end or stool.

The common tapeworm of cats and dogs, is harmless to people.

Well that's wonderful to know. Can't harm me. Groovy. Doesn't make this any less Eww!

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