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Re: [Killietalk] hybrid vigour
Thanks George, this morming I added the contents of a GMC cod liver oil tab and
also a GMC fish body oil tab to my microworm culture. Perhaps Eco-Systems would
be a better way to go.
George Slusarczuk <yurko at warwick_net>
Sent by: To: killifish discussion list <killietalk at aka_org>
killietalk-bounces+jim.clark.b=bayer. cc:
com at aka_org Subject: Re: [Killietalk] hybrid vigour
06/10/2004 05:58 PM
Please respond to killifish
discussion list
Hello Jim,
If you are interested in enriching Daphnia, with HUFAs, Aquatic
Eco-Systems, and others, sell self-emulsifying products to do just
that.
Best,
George
On Jun 10, 2004, at 3:07 PM, Jim Clark wrote:
>
>
>
>
> That's why I take fishbody oil tabs every morning. I wonder if I can
> feed them
> to my Daphnia.
>
>
>
> "Robert Goldstein"
> <rgoldstein at rjgacarolina_com> To:
> "killifish discussion list" <killietalk at aka_org>
> Sent by: cc:
> killietalk-bounces+jim.clark.b=bayer.
> Subject: Re: [Killietalk] hybrid vigour
> com at aka_org
>
>
> 06/10/2004 11:54 AM
> Please respond to killifish
> discussion list
>
>
>
>
>
>
> Yes. HUFAs are Highly Unsaturated Fatty Acids. Certain types (called
> omega-3
> and omega-6) of these fatty acids are needed in the diet (just like
> vitamins), because fish cannot synthesize HUFAs from normal diet
> intake, and
> they are important for nerve development and function, and for other
> purposes.
>
> ----- Original Message -----
> From: "Jim Clark" <jim_clark.b at bayer.com>
> To: "killifish discussion list" <killietalk at aka_org>
> Sent: Thursday, June 10, 2004 2:49 PM
> Subject: Re: [Killietalk] hybrid vigour
>
>
>>
>>
>>
>>
>> What are HUFA's? Some kind of Fatty Acid
>>
>>
>>
>> "Robert Goldstein"
>> <rgoldstein at rjgacarolina_com> To:
> "killifish discussion list" <killietalk at aka_org>
>> Sent by: cc:
>> killietalk-bounces+jim.clark.b=bayer.
> Subject: Re: [Killietalk] hybrid vigour
>> com at aka_org
>>
>>
>> 06/10/2004 10:58 AM
>> Please respond to killifish
>
>> discussion list
>>
>>
>>
>>
>>
>>
>> Tony reminded me of another recent publication relevant to fish
>> health.
> Many
>> of you are familiar with light shock, the sudden exposure to bright
>> light
> of
>> fish that have been in boxes for a few days. These fish (usually
>> discus
> or
>> angels, but I've seen this in young banggai cardinals and in
>> clownfish fry
>> too) go into tetanus, getting rigid, trembling, their gill plates
> extended.
>> They fall to the bottom and rarely recover. I've never thought of
>> this in
>> terms of anything but an effect of light causing stress-induced
>> mortality.
>> However, a recent publication showed that fishes fed a diet rich in
>> HUFAs
>> were resistant to light shock. So we see that diet can play an
>> important
>> role in how a fish responds to a physical stressor.
>>
>> ----- Original Message -----
>> From: "Tony Terceira" <terceira at ride_ri.net>
>> To: "killifish discussion list" <killietalk at aka_org>
>> Sent: Thursday, June 10, 2004 1:42 PM
>> Subject: RE: [Killietalk] hybrid vigour
>>
>>
>>> At 11:17 AM 6/10/2004 -0600, you wrote:
>>>> Gary Elson wrote:
>>>>
>>>>>
>>>>> can anyone point me to online resources or personal observations
>>>>> on hybrid
>>>>> vigour in population crosses in killies? I'm specifically curious
>>>>> about the
>>>>> effect such crosses have had on fry growth rates.
>>>>>
>>> Hi . I think the LAST thing we need to do is play with
>>> hybrids. We have worked for over 40 years, keeping populations
>>> isolated
>>> and not inter breeding them. We have an entire publication devoted
>>> to
>>> specific collection codes and sites where specific killies were
>>> collected....................... I can find no reason other than
>> scientific
>>> to play with hybridization.
>>>
>>> Killies are generally very vigors on their own.............
> some
>>> of the annuals have been in the hobby for over 80 years and they are
> doing
>>> fine as far as color and growth are concerned.
>>>
>>>
>>> We do not know enough about the concept of species to play with
> population
>>> hybridization........ I can tell you from early hybridization I did
>>> with
>>> the bivittatum species group. that results are totally
>>> unpredictable.......... Sterile at F1, fertile at F1 then sterile at
>>> F2
>>> etc........ ..
>>>
>>> Feed you killies a varied diet with as much live food as
>> possible,
>>> change water frequently and they will continue to be quite vigors for
> many
>>> years to come................
>>>
>>> Tony
>>> Tony Terceira
>>> Scituate, Rhode Island
>>>
>>> Visit our Web Site
>>> www.thefishwizards.com
>>>
>>>
>>> To join the AKA see http://www.aka.org/pages/join.html
>>> Archives are at http://fins.actwin.com/killietalk/
>>>
>>>
>>
>>
>>
>> To join the AKA see http://www.aka.org/pages/join.html
>> Archives are at http://fins.actwin.com/killietalk/
>>
>>
>>
>>
>> To join the AKA see http://www.aka.org/pages/join.html
>> Archives are at http://fins.actwin.com/killietalk/
>>
>
>
>
> To join the AKA see http://www.aka.org/pages/join.html
> Archives are at http://fins.actwin.com/killietalk/
>
>
>
>
> To join the AKA see http://www.aka.org/pages/join.html
> Archives are at http://fins.actwin.com/killietalk/
>
To join the AKA see http://www.aka.org/pages/join.html
Archives are at http://fins.actwin.com/killietalk/
To join the AKA see http://www.aka.org/pages/join.html
Archives are at http://fins.actwin.com/killietalk/