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I hope that makes sense?
Fish losing weight on hempseed surprises me, being something like 30% oil among other things.
Interesting stuff, thanks
In fact most fish lose weight after being caught. I do remember when Simon was pioneering the Cherwell back when God was a boy, that his recaptures were consistently losing weight which, as I recall, we put down to him using lots of hemp to locate and hold the fish. Simon will be better qualified to shine light on this than me though, as I've not used hemp for babel for many years, except on the Trent where, so far, recaptures have not been evident as I've not spent enough time there.
Hi Darren,
I remember haveing pretty much this same disscussion a couple of seasons back remember the thread ?
As i understand the nutritional requirements of fish, or more importantly Cyprinids, which mostly i've gleaned from reading published research papers on the subject, carbohydrates are used by cyprinids, they are even an essenstial part of their diet, but they utilise them in incredibly small quantities, what is not reqired for virtually immediate use is excreted.
Now this bit i don't know for a fact it's supposition, but i take that ( above ) to mean that much in the same way mammals use carbohydrates, within the fish it is broken down by enzymes which convert the carbohydrate to sugar, the only purpose for which ( i assume ) is for instant use as energy.
From all that i have read as i understand it, it is not neccesary to - balance as you put it, the diet of a fish with carbohydrate considering that they will, - unless being fed soley on an artificial diet will still eat their own natural food, they will obtain plenty enough carbohydrate from from that, thats probably true even for artificially fed pond fish.
However what they require and what appeals to them may be 2 different things, as i said in that other thread, i often include a vegatable indredient in my bait that they appear to be very attracted to, but i doubt whether as a long term food they get very much from it, and again as i remember saying in that other thread, a bait is just that a bait, which i use to attract the fish, and then catch it ! the fact that other ingredients in the bait may be highly benificial to the fish, from my point of view ( my need to catch them ) is a plus which adds to the long term appeal of the ... BAIT in order that i can keep catching them.
As Dave quite rightly pointed out, in the past much of the bait ( boillies ) being sold were bulked out with ingredients which whether were attractive to the fish or made so either by supplement by artificial means, or whether these ingredients were in themselves attractive to fish, were in fact harming them becauise of the quantities they were being used, mostly the damage was i believe from depriving the fish of the essential nutrients that they require for long term health, essentially because the baits were being used in massive quatities, and in turn the fish were feeding probably almost exclusivley on this manufactured food.
The problem i believe was most appartent on overstocked waters where the natural food had all but been eaten, leaving the fish with no choice in their diet, .... boillies or nothing !
From a point of view with Barbel fishing ( apart from stillwaters )
this senario i would guess be a near impossibilty in a natural flowing water enviroment.
So in a nutshell what i'm saying is that in the context of Barbel fishing especially balancing your bait with carbohydrate is irrelavent, infact if you were to balance it properly to the proportions that were required nutrionally by the fish you would need to add it in volume not more than 5%, but if they like it ... give it to 'em
Ian.