
Most people think and act within the narrow
limitations of what they have been taught during their early years
as a breeder without ever questioning the basic assumptions that
structure their world as a breeder. Because technology has become a
tool of the breeder, it is important to stop periodically to see if
we are experiencing a slippage in our values. This is an area that
no breeder can afford to ignore, for no one should move too far from
his or her breed's standard when selecting sires and dams.
Thus, when it comes to breeding for the
difference, there are always more than enough problems to worry
about. The key to success is staying focused on the important
issues. Too often, it is the problems of least importance that are
given more time and attention than they deserve. In practice, no
breeder can realistically focus on every problem. This means that
choices have to be made. In this regard, one of the worst dilemmas
comes when a breeder discovers that they do not know what problems
exist in their breed. This will be closely followed by not knowing
what problems exist in their pedigrees.
At the end of the day, how much progress a
breeder will make can be linked to the learning of three skills: how
well they understand their breed standard; knowing the modes of
inheritance that effect the traits they intend to eliminate or
improve; and whether they can identify the strengths and weaknesses
that are present in their pedigrees. In this regard there are
several factors that separate breeders from one another. Some will
know more about the ancestors in their pedigrees than others.
Generally, it will be those in the first three generations. Others
will only study and use champions in their breeding program. Those
with the least experience will concentrate on only breeding to the
dogs with health certifications (OFA, CERF, etc). This is usually
because they do not understand how to interpret their breed's
standard or how to manage the carriers. Then there are those who
believe that producing one good puppy or a champion will make them
successful. In the end, most of these reasons will not be good
measures of anything, given what is known about breeding methods and
genetics. For example, one good pup in a litter of faulty
littermates is not progress. A worse situation is for the pups to be
of such poor quality that they must be sold on spay/neuter contracts
or on limited registrations.
In order to know whether a breeder can make
a difference or whether they are able to make improvements begins by
taking a closer look at the qualities found in the litters they have
produced. This begins by focusing on the core elements, which are
health, conformation and temperament. Quality and soundness are the
proven measures of progress and they are the factors that make the
difference. In this regard, everyone is not equal. Some breeders
will start out with better dogs than others. Some will know more
about how to pick and choose the best offspring. Some will know
which breeding method to use for each sire and dam. Some will have
more breed knowledge and better networking skills. While all of
these factors are important, until a breeder understands what
strengths and weaknesses are embedded in their pedigrees, not much
can be done. In practice, every dog has some traits that need
improvement. This is true even among the better individuals. Ask
this question, “is there one trait or characteristic you would like
to fix or improve in the dogs you are considering to breed?” It is
not enough to know the breed standard and which traits are to be
faulted and disqualified. To breed better dogs, one most know the
modes of inheritance for each trait. The mode tells the breeder how
a trait will be inherited. Of all the things that can go wrong, one
of the worst problems is to not know if the recessive genes are
producing the problems or whether they are the result of poor
management, training or nutrition.

Unfortunately, there are no reliable
estimates for the frequency of problems that occur in each breed.
This forces breeders to develop their own list of problems to worry
about. One technique that works is to begin with a sheet of paper
that has two vertical lines drawn from top to bottom. Space them
wide enough so they will form three columns. Over the first column
write the words, "Problems in my breed”. In this column, list the
traits and diseases considered of greatest importance to your breed.
They might be size, short upper arm, small eyes, temperament or a
specific disease(s). For example, in Dalmatians and German
Shepherds, it might be color, temperament, topline, upper arm or
some disease. In other breeds, it might be body proportions,
shyness, lack of angulation, etc. The list could be long, but in
every breed there will be at least four important problems that are
more important than all others. They should appear at the top of the
list.
At the top of the remaining two columns
write the words, “Weaknesses - Pedigree of: ______________ ”. Enter
the name of the sire and the name of the dam to be bred over each of
these columns. Under each of their names list the traits that need
to be improved based on the breed standard. At the bottom of each
list add a section called "Strengths". Under this heading list the
traits that are considered their strengths. When both columns have
been completed, the problems and the priorities for each dog will
become apparent. These three columns now become the road map for
things to study and worry about. These lists also make clear what
information must be collected about each breeding partner.
Illustrated below is a typical list for a stud dog and brood bitch.
For each sire and dam a three-generation pedigree is needed.
Identifying problems on paper first helps
to focus and direct a breeding program by keeping things in
perspective. It also serves as a reminder of what problems are
present and what should be given a priority. The exercise of writing
things down about the strengths and weaknesses of the sire and dam
should be done before making the decision to breed them. This
exercise also helps to clarify and highlight what specific strengths
and weaknesses are involved between the breeding partners. One of
its by-products is that it helps to identify the difference that
exists between the breeding partners. If the strengths and
weaknesses of each breeding partner do not offset each other, it
makes little sense for the breeding to take place. It makes less
sense to worry about improving coat quality or color if structure,
temperament or health are the problems. In the example used in our
chart, notice that both the sire and dam have poor toplines. Unless
they both have littermates and ancestors with correct top lines it
would be difficult to justify this breeding because it is likely
that these two dogs will concentrate the genes needed to produce a
litter with poor top lines.
Another common mistake is to place emphasis
on only one trait. Those who do not consider the total dog, meaning
the core traits (conformation, health, and temperament) will find
that over time, the quality of their pups will soon begin to drift
toward the breed average. In time, their pups will begin to show all
of the variations found in their breed. In the final analysis,
how much of a difference a breeder will make in his or her breeding
program will be directly related to how well these principles are
understood.
Reference:
-
Battaglia, C. L. – “ Punnett Squares”, Canine Chronicle,
Vol. 27, No 8. Pg. 188-120, 2003
-
Battaglia, C. L. – Breeding Better Dogs, BEI
Publications, Fifth Edition, Atlanta, GA 1986Bell, Jerold S.
"Choosing Wisely", AKC Gazette, August 2000, Vol. 117, Number 8,
p-51.
-
Bell, Jerold, S. "Developing Healthy Breeding Programs",
Canine Health Conformance, AKC Canine Health Foundation, Oct.
15-17,1999. St. Louis MO.
-
Foley, C.W; Lasley, J.F. and Osweiler, G.D.,
“Abnormalities of Companion animals: Analysis of Heritabliliy”,
Iowa University Press, Ames, Iowa, 1979
-
Hutt, Fred, Genetics for Dog Breeders, WH. Freeman Co.,
San Francisco, CA, 1979
-
Willis, Malcolm, Genetics of the Dog, Howell Book House,
New York, New York, 1989
-
Willis, Malcomb, "Breeding Dogs" Canine Health
Conference, AKC Canine health Conference, Oct. 15-17, 1999. St.
Louis, MO.
-
Willis, Malcomb, "The Road Ahead", AKC Gazette, August
2000, Vol. 117, number 8, p-47.
|