We are facing an
interesting and busy time. Fortunately I get the
feeling that folk want to work together in
harmony for the benefit of our breed. However
just over half the clubs have given me the name
and email of their co-ordinators – could the
others please do so as soon as possible. With
the support of Patrick our BC Chairman I have
invited overseas breed clubs to participate
through my contacts. Three have indicated their
willingness to be involved and invitations to
others will be extended as soon as possible.
Communications will be by email, with British
Clubs to co-ordinators and ‘cc’ to secretaries
as back up, but with overseas clubs to secretary
or other nominee only.
We do not know
where our deliberations may lead or what actions
may be recommended to the Breed Council and our
clubs. We must ensure that this is
evidence-based – we must have the facts before
proceeding! To act on speculation and hearsay is
a recipe for disaster
KC Health Plan.
As most will be aware we received the Health
Plan literature from the KC some months ago.
Amongst conditions of concern they listed cancer
and myotonia. Both claims were invalid and the
KC duly informed. Many will know about this
already but it is a flaw in the KC’s system as
neither should ever have been on the list. For
the record, the myotonia claim was based on a
single case in a Staffordshire Terrier (Amstaff)
in an American journal. The cancer claim came
from a study on gastric cancer in dogs. Only
3/31 cases were Staffords and it was claimed
that this was significant when compared with
breed totals coming into the clinic. This was
wrong as any comparison should be related to
totals in the community, but frankly it is wrong
to even to try this on such inadequate numbers.
Hidden talent.
There is a wealth of untapped expertise and
experience in dogdom and Staffords as well; we
need to utilise this. One co-ordinator is
involved in cyto-genetics professionally and
thus has much to offer. Do we have anyone
experienced in statistics and statistical
methodology in our ranks? Do we have any vets (I
do not know how involved Paul Boland is
currently) or veterinary nurses who might
assist? Does anyone else feel they have
specialist knowledge to offer? Please let me
know so that we can use such expertise to the
breed’s best advantage.
Current
situation. We can be justifiably proud of
what has been achieved to date in the breed.
As I see it we
cannot go any further with HC and L-2-HGA for
the moment at least. All we need is to keep
promoting the genetic testing of all breeding
stock to ensure carriers are not mated together
to eliminate the risk of clinical cases. Current
figures from the AHT show a carrier rate of 4%
for HC and 17% for L-2-HGA. As hereditarily
clear dogs are not tested these figures may be
on the high side but nevertheless while the HC
carrier rate is pretty low that for L2 is rather
high and greater than may have been hoped.
Hopefully we may see a drop over the next year
or two.
Regarding PHPV, we
still have to eye test, preferably whole litters
but certainly before contemplating mating.
Cumulative eye test data is currently awaited
from the KC but unfortunately the results of
litter testing are not available. A preliminary
discussion has been held with Cathryn Mellersh
of AHT to see if it would be feasible to
undertake research into its genetics, perhaps
leading to a diagnostic test. There is still the
suggestion that a dominant gene with variable
expression and pentrance may be responsible but
basically we still do not know. As Dobermanns
also suffer from PHPV I have tried to contact
their breed council but a reply is awaited.
Whether there are enough stored specimens for
Staffords will have to be assessed but more
important is funding, which hopefully the KC
might help with again. Cathryn Mellersh and her
staff are currently funded by the KC but many
thousands would be required for consumables; the
financial aspects would have to be discussed by
the full Breed Council so it would be wrong to
say anything more at the moment.
Then we have PPSC
(polar cataracts). There have been a few cases
in Staffords but as these are not reported in
the BRS, no figures are at hand although the KC
have been asked to provide these if possible. I
was under the impression that they occurred
mainly in older dogs and caused little if any
problems. However it may be that in Labradors
and Golden Retrievers, they can appear at any
age from a few months to old age and a few may
progress to affect sight significantly. Hence we
need to consider how we ought to tackle the
issue and see if it really is a problem. However
we could make a start by asking club members who
have had a dog diagnosed with PPSC to send a
copy of the test certificate to their Club’s
co-ordinator for collation at a later date.
Future eye
testing. If the HC status is determined
genetically and PHPV by a single eye test, then
theoretically, as these are the two known
specified conditions affecting the breed, no
further testing is really required. But we have
PPSC to clarify, although this is really a
research matter, and the ABS recommends annual
testing. I had a forceful discussion with Jeff
Sampson at Crufts. I argued that unless PPSC was
shown to really be a problem, then we ought not
to recommend more than a single test at some
stage to deal with PHPV. Jeff did see my point
of view but thought breeders might co-operate
and have further tests in the breed’s interest.
Some suggest that breeders make considerable
money but the general opinion is that most break
about even when all hidden extras are taken into
account and puppies are being properly reared.
Jeff did suggest maybe only further tests in
middle then old age. At seminars the eye vets
did suggest annual testing ‘just in case’
something showed up! Are we being asked to fund
their research by stealth? If they offered free
testing subsequent to initial tests then owners
would probably be willing to pay the travelling
to retest over several years – the vets would
get the benefit of publishing their research in
appropriate journals. My concern is that we
could finish up recommending unnecessary
subsequent testing to all our members – is this
not morally wrong?
Other
conditions. Skin conditions are mentioned
frequently and are an important cause behind
insurance claims thus may need further
investigation.
In the KC health
survey cancer of unspecified types was connected
to 44% of Stafford deaths compared with 27% of
all breeds. This may or may not be significant
but suggests further well-thought out
investigations are warranted.
Some have
expressed worries about Cushing’s disease but
only one case was reported in KC mortality data.
We need more data and, as concern has been
expressed, it would be useful if co-ordinators
noted any cases they hear of.
Cases of possible
interest or unusual ones should be noted in case
anything similar occurs in future. For example I
was made aware of a dam and her two daughters
all dying of brain tumours and I was also told
about three littermates all suffering from porto-systemic
shunt problems – failure of liver bypass in the
foetus to close within a day or two of birth.
Possible
Survey. When talking to Jeff Sampson, he
suggested councils and clubs might be interested
to conduct a survey of members to find out how
often they had attended their vets and for what
reason over the past year. Do you think this
would be of use? How many can actually remember
when they attended the vet and the reasons?
E Mids have been
attempting a health survey of their members but
no results have been forthcoming as yet but it
is still ongoing. This may be something to build
on.
Do you think such
surveys may be of value? Personally I to not
like the questionnaire approach as those
responding are self-selecting and
interpretations may vary. Are there any other
methods we ought to consider for collecting such
information?
Scientific
Literature. I have copies of some articles
in scientific journals that refer to Staffords,
plus the titles, and maybe the appropriate
abstract, of others. I will get these reviewed
and listed but will any one coming across any
papers that refer to our breed please note the
title and reference i.e. journal’s name, volume
number, page number and year published, and let
me know please.
I hope the
relevant topics have been covered but please let
me know of any omissions or other concerns.
Archie Bryden