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Science Forum Index » Agriculture - Poultry Forum » blotchy shells
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| rumblings |
Posted: Tue Mar 18, 2008 10:08 am |
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| Amy Blankenship |
Posted: Tue Mar 18, 2008 10:08 am |
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"rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a43qF2a40hcU1@mid.individual.net...
That looks like a weak spot in the egg, which ahs probably let all sorts of
contamination in. I wouldn't expect this egg to hatch, and would never have
selected it for incubation myself.
-my |
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| rumblings |
Posted: Tue Mar 18, 2008 11:09 am |
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Amy Blankenship wrote:
Quote: "rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a43qF2a40hcU1@mid.individual.net...
I've got some purchased eggs in my incubator which don't look good at all
when candled. Several of them have blotchy and wrinkly shells. Here is a
pic:
http://www.flickr.com/photos/24804480@N04/2342612563/
Are those markings of any significance??
That looks like a weak spot in the egg, which ahs probably let all sorts of
contamination in. I wouldn't expect this egg to hatch, and would never have
selected it for incubation myself.
Oh I see! I wondered if it indicated some sort of disease of the hen.
Looking more closely I see that 5 of the 6 eggs have these marks and
there is even a partial crack line running away from one area - so I
suspect you are right. These are actually replacements for the first
(expensive) batch which didn't hatch either. Thanks for providing an
explanation. |
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| Amy Blankenship |
Posted: Tue Mar 18, 2008 11:42 am |
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"rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a7o1F2aqd47U1@mid.individual.net...
Quote: Amy Blankenship wrote:
"rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a43qF2a40hcU1@mid.individual.net...
I've got some purchased eggs in my incubator which don't look good at
all when candled. Several of them have blotchy and wrinkly shells. Here
is a pic:
http://www.flickr.com/photos/24804480@N04/2342612563/
Are those markings of any significance??
That looks like a weak spot in the egg, which ahs probably let all sorts
of contamination in. I wouldn't expect this egg to hatch, and would
never have selected it for incubation myself.
Oh I see! I wondered if it indicated some sort of disease of the hen.
Looking more closely I see that 5 of the 6 eggs have these marks and there
is even a partial crack line running away from one area - so I suspect you
are right. These are actually replacements for the first (expensive) batch
which didn't hatch either. Thanks for providing an explanation.
I get eggs like these a lot between molting in the fall and when production
picks up in the spring. I think it may have to do with what forage is
available to supplement their layer pellets or possibly may relate to the
length of days. Depending on the seasons in your area, it may just be too
early for the person's hens to be laying decent quality eggs.
Where are you and what kind of eggs are these? Maybe someone on the group
can find you some better quality eggs. |
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| Jill |
Posted: Tue Mar 18, 2008 1:09 pm |
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Amy Blankenship wrote:
Quote: "rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a43qF2a40hcU1@mid.individual.net...
I've got some purchased eggs in my incubator which don't look good
at all when candled. Several of them have blotchy and wrinkly
shells. Here is a pic:
http://www.flickr.com/photos/24804480@N04/2342612563/
Are those markings of any significance??
That looks like a weak spot in the egg, which ahs probably let all
sorts of contamination in. I wouldn't expect this egg to hatch, and
would never have selected it for incubation myself.
Yup -- That looks like it might be concussion damage on an egg that does not
have as thick a shell as it might have.
Buying eggs that are then sent by the post are always fraught with potential
problems, however genuine the seller. The post office can do so much damage
to eggs even if they are not actually broken - they can get rattled, shaken,
bounced, and twirled -- none of which does eggs for hatching any good at
all.
Shell quality is one of the reasons why early eggs are not considered to be
good to hatch from. Its still winter. That and the natural vits and mins
that birds get from the sunlight and the ranging that give so much better
quality of eggs and chicks in the spring.
Candling eggs before incubating with a proper strong egg candler can help to
prevent starting eggs like this.
--
regards
Jill Bowis
Pure bred utility chickens and ducks
Housing; Equipment, Books, Videos, Gifts
Herbaceous; Herb and Alpine nursery
Working Holidays in Scotland
http://www.kintaline.co.uk |
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| rumblings |
Posted: Tue Mar 18, 2008 3:31 pm |
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Jill wrote:
Quote: Amy Blankenship wrote:
"rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a43qF2a40hcU1@mid.individual.net...
I've got some purchased eggs in my incubator which don't look good
at all when candled. Several of them have blotchy and wrinkly
shells. Here is a pic:
http://www.flickr.com/photos/24804480@N04/2342612563/
Are those markings of any significance??
That looks like a weak spot in the egg, which ahs probably let all
sorts of contamination in. I wouldn't expect this egg to hatch, and
would never have selected it for incubation myself.
Yup -- That looks like it might be concussion damage on an egg that does not
have as thick a shell as it might have.
Buying eggs that are then sent by the post are always fraught with potential
problems, however genuine the seller. The post office can do so much damage
to eggs even if they are not actually broken - they can get rattled, shaken,
bounced, and twirled -- none of which does eggs for hatching any good at
all.
Shell quality is one of the reasons why early eggs are not considered to be
good to hatch from.
Nevertheless, four other batches of Ebay eggs in with these ones
averaged over 60% hatch rate whereas I now know of three batches of his
eggs giving zero and one resulting in a single chick.
Quote: Its still winter. That and the natural vits and mins
that birds get from the sunlight and the ranging that give so much better
quality of eggs and chicks in the spring.
Oh I didn't know that. That might explain why the home produced eggs I
put in with the Ebay ones only gave a 50% hatch rate - I've had 100%
from them before (under a hen). Seems I've been stupid to buy in
February. The price has dropped now as well. I see another buyer has
left him a neutral for shell quality (and received a neg in response)
Quote: Candling eggs before incubating with a proper strong egg candler can help to
prevent starting eggs like this.
I didn't know that either - I suppose you mean to detect shell faults.
Fine and good for home produced eggs but a bit too late when they've
made it through the post.
Are shell problems more common in older hens?? I ask as the eggs were
huge (one weighed 87gms) so I presume they must be from older hens. |
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| rumblings |
Posted: Tue Mar 18, 2008 3:32 pm |
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Guest
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Amy Blankenship wrote:
Quote: "rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a7o1F2aqd47U1@mid.individual.net...
Amy Blankenship wrote:
"rumblings" <rumblingsDELETE@gmailDELETE.com> wrote in message
news:64a43qF2a40hcU1@mid.individual.net...
I've got some purchased eggs in my incubator which don't look good at
all when candled. Several of them have blotchy and wrinkly shells. Here
is a pic:
http://www.flickr.com/photos/24804480@N04/2342612563/
Are those markings of any significance??
That looks like a weak spot in the egg, which ahs probably let all sorts
of contamination in. I wouldn't expect this egg to hatch, and would
never have selected it for incubation myself.
Oh I see! I wondered if it indicated some sort of disease of the hen.
Looking more closely I see that 5 of the 6 eggs have these marks and there
is even a partial crack line running away from one area - so I suspect you
are right. These are actually replacements for the first (expensive) batch
which didn't hatch either. Thanks for providing an explanation.
I get eggs like these a lot between molting in the fall and when production
picks up in the spring. I think it may have to do with what forage is
available to supplement their layer pellets or possibly may relate to the
length of days. Depending on the seasons in your area, it may just be too
early for the person's hens to be laying decent quality eggs.
Where are you and what kind of eggs are these? Maybe someone on the group
can find you some better quality eggs.
I'm in Scotland and the (6) eggs are Barred Rock - for which I was
stupid enough to pay the grand total of £33.23 on Ebay. The seller made
them sound really special and I always think it is worth paying over the
odds for good breeding stock. There was a 0% hatch rate from those eggs.
I did have five other batches of eggs in the incubator - four of them
also bought on Ebay. Hatching from them was as follows:
Home eggs 50%, Ebay Light Sussex 83.3%, Ebay Rhode Island 66.6%, Ebay
Silkies 50%, Ebay Runner Ducks 42.8%
Seller at first blamed me but when I pointed out that other batches had
been OK he replaced the eggs (for £6 postage plus return of originals)
and those are the eggs in the photo.
Seller has no mention of successful hatching from Barred Rocks this year
in his feedback, so I emailed someone else who bought at the same time;
it turns out he had got the same result - zero and he also had other
eggs which hatched fine, in with them. |
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| A_ L _P |
Posted: Tue Mar 18, 2008 4:37 pm |
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rumblings wrote:
Quote: Are shell problems more common in older hens?? I ask as the eggs were
huge (one weighed 87gms) so I presume they must be from older hens.
Yes, that's something I'd like to know too. My second-hand Orpington
lays huge eggs which I suspect may be big even for and Orp. Didn't
hatch though. And a friend reported the other day that he'd tried to
get chickens from a (I forget the breed) hen who'd wandered down from a
ramshackle lifestyler's property up the hill some time ago, the father
being one of the same breed that he already had. The eggs were very
big, my friend said. And very useless. I asked him if he had any idea
of the age of the chook because they lay bigger eggs when they are old,
but given the way she had migrated and joined his free rangers he didn't
know.
A L P |
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| Jill |
Posted: Tue Mar 18, 2008 4:48 pm |
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rumblings wrote:
Quote:
Nevertheless, four other batches of Ebay eggs in with these ones
averaged over 60% hatch rate whereas I now know of three batches of
his eggs giving zero and one resulting in a single chick.
It can be the Post office route.
I stopped sending eggs out when we stopped being able to get 24 carrier
service. Even then we had customers who would get 100% hatch and the same
week others would get grotty ones. Hatching is a black art and there are
more things that can go wrong than right.
I know that for many places in the UK eggs from our location can go through
4 different najor hubs -- thats a lot of bouncing.
Others are not so unfortunate.
Birds can produce eggs that have thinner shells for many reasons, age -
young and old, genetics, time of year, diet .....................
The eggs can seem to have very normal shells to anyone hatching, who is not
putting their eggs through the vagaries of the postal system etc.
If you get one bird out of ebay eggs then you have not lost out.
Eggs on ebay are cheap, they are a gamble and they should never be treated
seriously.
Its an auction [its also illegal for auction sales but ebay have decided to
ignore that little fact intentionally]
If you are serious about your breeding, find serious breeders who are
interested to share their knowledge and their genetics.
If you enjoy having some fun with birds, then take the gamble with the
inherent risks.
Chickens are not machines, they are affected by alot -- no hatching can ever
be guarenteed and adding strangers and the post office into the mix just
makes for more variables.
Quote:
Candling eggs before incubating with a proper strong egg candler can
help to prevent starting eggs like this.
I didn't know that either - I suppose you mean to detect shell faults.
Fine and good for home produced eggs but a bit too late when they've
made it through the post.
Its always a gamble -- one decent cockerel out of ebay eggs and they have
paid themselves back
Quote:
Are shell problems more common in older hens?? I ask as the eggs were
huge (one weighed 87gms) so I presume they must be from older hens.
Maybe, and quite possibly -- which would be at least proven birds, the
breeder might consider. The best old breeders would never consider hatching
from a bird less than a year old. She had to prove her worth first. -- egg
numbers, colour, size, quality etc
They could be any birds coming into lay for the season just not getting the
recipe quite right.
For hatching I would want as many of my ducks in a row that I can.
--
regards
Jill Bowis
Pure bred utility chickens and ducks
Housing; Equipment, Books, Videos, Gifts
Herbaceous; Herb and Alpine nursery
Working Holidays in Scotland
http://www.kintaline.co.uk |
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| Jill |
Posted: Tue Mar 18, 2008 5:15 pm |
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rumblings wrote:
Quote:
I'm in Scotland and the (6) eggs are Barred Rock - for which I was
stupid enough to pay the grand total of £33.23 on Ebay. The seller
made them sound really special and I always think it is worth paying
over the odds for good breeding stock.
Did you buy these recently ?
There isn't a matching priced listing on the completed items that I can see.
I can see a breeder who matches your description of special but not with a
past listing matching yours. If he is who I think he is, I would be
surprised if you were having problems with 'him' but I have to admit I am a
tad out of the loop of that arena these days.
--
regards
Jill Bowis
Pure bred utility chickens and ducks
Housing; Equipment, Books, Videos, Gifts
Herbaceous; Herb and Alpine nursery
Working Holidays in Scotland
http://www.kintaline.co.uk |
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| Jill |
Posted: Tue Mar 18, 2008 5:20 pm |
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A_ L _P wrote:
Quote: rumblings wrote:
Are shell problems more common in older hens?? I ask as the eggs were
huge (one weighed 87gms) so I presume they must be from older hens.
Yes, that's something I'd like to know too.
Its one of the reasons that commercial birds are culled before their third
season - the shell quality is so poor that too high a percentage are cracked
so making them uneconomic, a high percentage of birds die of egg
peritonitis.
- resources get depleted
- the recipe gets made wrong
;)
--
regards
Jill Bowis
Pure bred utility chickens and ducks
Housing; Equipment, Books, Videos, Gifts
Herbaceous; Herb and Alpine nursery
Working Holidays in Scotland
http://www.kintaline.co.uk |
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| rumblings |
Posted: Tue Mar 18, 2008 5:29 pm |
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Jill wrote:
Quote: rumblings wrote:
I'm in Scotland and the (6) eggs are Barred Rock - for which I was
stupid enough to pay the grand total of £33.23 on Ebay. The seller
made them sound really special and I always think it is worth paying
over the odds for good breeding stock.
Did you buy these recently ?
There isn't a matching priced listing on the completed items that I can see.
I can see a breeder who matches your description of special but not with a
past listing matching yours. If he is who I think he is, I would be
surprised if you were having problems with 'him' but I have to admit I am a
tad out of the loop of that arena these days.
Yes I bought them in Feb from a seller called Chirpy-Chicks. The price I
quoted was inclusive of postage - or perhaps you were thinking of a
seller called jamo-41 who has a similar sort of listing for Barred Rocks
and also claims to performance test. I thought I might try him next -
unless someone advises differently. |
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| rumblings |
Posted: Tue Mar 18, 2008 5:32 pm |
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Jill wrote:
Quote: A_ L _P wrote:
rumblings wrote:
Are shell problems more common in older hens?? I ask as the eggs were
huge (one weighed 87gms) so I presume they must be from older hens.
Yes, that's something I'd like to know too.
Its one of the reasons that commercial birds are culled before their third
season - the shell quality is so poor that too high a percentage are cracked
so making them uneconomic, a high percentage of birds die of egg
peritonitis.
I just always took shells for granted. I didn't realise this. |
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| Jill |
Posted: Tue Mar 18, 2008 5:51 pm |
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rumblings wrote:
Quote: Jill wrote:
A_ L _P wrote:
rumblings wrote:
Are shell problems more common in older hens?? I ask as the eggs
were huge (one weighed 87gms) so I presume they must be from older
hens.
Yes, that's something I'd like to know too.
Its one of the reasons that commercial birds are culled before their
third season - the shell quality is so poor that too high a
percentage are cracked so making them uneconomic, a high percentage
of birds die of egg peritonitis.
I just always took shells for granted. I didn't realise this.
oooooooohh nooooooo
There are millions of squids spent on research on egg shell quality.
All eggs from commercial units have to be candled before sale.
Any eggs that have the merest damage -- and what you showed would count if
memory serves --- have to be discarded from what is called "shell eggs" --
ie the ones that can be sold in boxes in their shells for us to buy.
The rest are removed from the shell and processed -- dried, or pastuerised,
or such, and used in the catering world.
We eat far more non-shell eggs as a population than we do "shell eggs"
As you can imagine the producer gets a great deal more for the eggs in boxes
than mixed pasteurised gloop !!!! hence the importance of the percentage of
damaged eggs from a flock and the now very serious efforts being made to
improve the shell quality of commercial birds.
While you can assist in maintaining good shell quality with proper feeding
etc, you cannot overcome genetics. And Age !
--
regards
Jill Bowis
Pure bred utility chickens and ducks
Housing; Equipment, Books, Videos, Gifts
Herbaceous; Herb and Alpine nursery
Working Holidays in Scotland
http://www.kintaline.co.uk |
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| Jill |
Posted: Tue Mar 18, 2008 6:07 pm |
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rumblings wrote:
Quote: Yes I bought them in Feb from a seller called Chirpy-Chicks. The
price I quoted was inclusive of postage - or perhaps you were
thinking of a seller called jamo-41 who has a similar sort of listing
for Barred Rocks and also claims to performance test. I thought I
might try him next - unless someone advises differently.
The one I was looking at has just started selling for this year, but is more
exhibition than pure utility.
I would say wait a bit into the better part of the season, but you clearly
have so many eggs under way that that is a bit moot <vbg>
You are going to have your work cut out keeping track of all the results
from that lot.
Look forward to hearing the results of your breeding in a couple of years
time when you have got them all underway.
--
regards
Jill Bowis
Pure bred utility chickens and ducks
Housing; Equipment, Books, Videos, Gifts
Herbaceous; Herb and Alpine nursery
Working Holidays in Scotland
http://www.kintaline.co.uk |
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