Increase in parasitic burden in deer livers

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TankGunner

Well-Known Member
I recently came a cross a claim from a well known professional in the business, that there has been a steady increase in deer suffering from livers with parasitic burdens to varying degrees.

He put this mostly down to the general increase in the number dogs being walked in the countryside and the associated increased defecation levels.

Anyone else heard/read anything similar or have any information on the subject?
 
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jubnut

Well-Known Member
There is a definite increase in liver fluke burden. But I would seriously doubt that has anything to do with dogs at all, more like the wet weather.
 

TankGunner

Well-Known Member
I am of the same opinion. But readily admit that that opinion is based upon my own experiences.

I was hoping that someone could shed some light as to where this increase in the dog fouling/deer liver parasite burden concept sprung from.
 

Paul at Fechan

Well-Known Member
it's not domestics but rather the general increase in carrier species that act as hosts like deer, fox, badger etc. Liver fluke though needs the water snail to complete it's life cycle so over a few wet years where the snail population increases so will the parasite numbers that can transmit to mammal hosts. A dry run of years and the reverse.

But then that comes down to habitat and the more habitat that can sustain host populations there is then the easier and more widespread the distribution of parasites becomes. Everyone's planting trees and woodlands these days! The one I hate though is ticks and that's easy one as an example, the more adult female ticks that feed the worse it gets. The more hosts the worse it gets and lyme disease is scary stuff
 

TankGunner

Well-Known Member
Paul

I agree with you.
But it still leaves me no closer to discovering where the originator of the remark come up with the link in increased numbers of dogs being walking in the countryside and the corresponding increase in excreta and the increase in problems with deer livers.

Unfortunately, as my memory ain't what it once was. I'm having a problem tracking down a confirmable source for the remark. In order that I might go to the horses mouth. Hopefully it will come to me in the end.
 

srvet

Well-Known Member
Liver fluke have nothing to do with dogs. The population is dependent on the population of the water snail Lymnea truncatula which thrive in wet conditions. Therefore wet summer = more wet ground = more snails = more fluke. Hopefully the drier summer will redress the balance a bit
 

User00003

Well-Known Member
it's not domestics but rather the general increase in carrier species that act as hosts like deer, fox, badger etc. Liver fluke though needs the water snail to complete it's life cycle so over a few wet years where the snail population increases so will the parasite numbers that can transmit to mammal hosts. A dry run of years and the reverse.

But then that comes down to habitat and the more habitat that can sustain host populations there is then the easier and more widespread the distribution of parasites becomes. Everyone's planting trees and woodlands these days! The one I hate though is ticks and that's easy one as an example, the more adult female ticks that feed the worse it gets. The more hosts the worse it gets and lyme disease is scary stuff


good answer:tiphat:
 

David T

Well-Known Member
There is a definite increase in liver fluke burden. But I would seriously doubt that has anything to do with dogs at all, more like the wet weather.

+1. Fluke has been a real issue and it is no surprise to see an increase in deer. Has nothing to do with dogs though.
 

Buchan

Well-Known Member
The remark might have been in relation to lesions in the liver due to Cysticercus tenuicollis (Taenia hydatigena). This is a tapeworm in dogs and foxes that can be a cause of condemnation in livers of animals like sheep that are the intermediate host.
Srvet - it's now called Galba truncatula!!
 

TankGunner

Well-Known Member
Buchan

Thankyou for you post. I think we made now be getting somewhere, in regards the correlation between increased dog excreta/deer liver parasitic burden.

I'm wondering if there have been any studies done....
 

Apache

Well-Known Member
TankGunner - liver fluke is very very common. It is by far the biggest reason for the condemnation of any ruminant's liver.

The tapeworm are possible but tend to be occasional and very sporadic.

If we are talking big numbers I'd suggest the chap you were talking to may be getting mixed up with the two parasites and the likely cause being the fluke.
 

srvet

Well-Known Member
The remark might have been in relation to lesions in the liver due to Cysticercus tenuicollis (Taenia hydatigena). This is a tapeworm in dogs and foxes that can be a cause of condemnation in livers of animals like sheep that are the intermediate host.
Srvet - it's now called Galba truncatula!!

​Damn.......out of date again !! Why do the names have to keep changing!! I don't see many orthopaedic problems in snails!
 

TankGunner

Well-Known Member
TankGunner - liver fluke is very very common. It is by far the biggest reason for the condemnation of any ruminant's liver.

The tapeworm are possible but tend to be occasional and very sporadic.

If we are talking big numbers I'd suggest the chap you were talking to may be getting mixed up with the two parasites and the likely cause being the fluke.

Apache

Yes I am aware that liver fluke is extremely common, and thanks to the weather the UK has suffered in recent years increasingly so.
I accept that there could be some confusion between the two parasites. But I'm not sure that is the case in this instance, with this particular gentleman.

Having wracked my brains the last few days.I have determined that the statement made was on a you tube video presentation. I just need to recall which one ...........:doh:
 
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