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Surprising as it may seem,
it isn't capacity that explains the differences that exist between
individuals because most seem to have far more capacity than they will
ever use. The differences that exist between individuals seem to be
related to something else. The ones who achieve and out perform others
seem to have within themselves the ability to use hidden resources. In
other words, it's what they are able to do with what they have that makes
the difference.
In many
animal-breeding programs the entire process of selection and management is
founded on the belief that performance is inherited. Attempts to analyze
the genetics of performance in a systematic way have involved some
distinguished names such as Charles Darwin and Francis Galton. But it has
only been in recent decades that good estimates of heritability of
performance have been based on adequate data. Cunningham (1991) in his
study of horses found that only by using Timeform data, and measuring
groups of half brothers and half sisters could good estimates of
performance be determined. His data shows that performance for speed is
about 35% heritable. In other words only about 35% of all the variation
that is observed in track performance is controlled by heritable factors,
the remaining 65% are attributable to other influences, such as training,
management and nutrition. Cunningham's work while limited to horses
provides a good basis for understanding how much breeders can attribute to
the genetics and the pedigrees.
Researchers have studied this phenomena and have looked for new ways to
stimulate individuals in order to improve their natural abilities. Some of
the methods discovered have produced life long lasting effects. Today,
many of the differences between individuals can now be explained by the
use of early stimulation methods.
Introduction
Man for centuries has
tried various methods to improve performance. Some of the methods have
stood the test of time, others have not. Those who first conducted
research on this topic believed that the period of early age was a most
important time for stimulation because of its rapid growth and
development. Today, we know that early life is a time when the physical
immaturity of an organism is susceptible and responsive to a restricted
but important class of stimuli. Because of its importance many studies
have focused their efforts on the first few months of life.
Newborn pups are
uniquely different than adults in several respects. When born their eyes
are closed and their digestive system has a limited capacity requiring
periodic stimulation by their dam who routinely licks them in order to
promote digestion. At this age they are only able to smell, suck, and
crawl. Body temperature is maintained by snuggling close to their mother
or by crawling into piles with other littermates. During these first few
weeks of immobility researchers noted that these immature and
under-developed canines are sensitive to a restricted class of stimuli
which includes thermal, and tactile stimulation, motion and locomotion.
Other mammals such as
mice and rats are also born with limitations and they also have been found
to demonstrate a similar sensitivity to the effects of early stimulation.
Studies show that removing them from their nest for three minutes each day
during the first five to ten days of life causes body temperatures to fall
below normal. This mild form of stress is sufficient to stimulate
hormonal, adrenal and pituitary systems. When tested later as adults,
these same animals were better able to withstand stress than littermates
who were not exposed to the same early stress exercises. As adults, they
responded to stress in "a graded" fashion, while their
non-stressed littermates responded in an "all or nothing way."
Data involving
laboratory mice and rats also shows that stress in small amounts can
produce adults who respond maximally. On the other hand, the results
gathered from non-stressed littermate show that they become easily
exhausted and would near death if exposed to intense prolonged stress.
When tied down so they were unable to move for twenty-four hours, rats
developed severe stomach ulcers, but litter mates exposed to early stress
handling were found to be more resistant to stress tests and did not show
evidence of ulcers. A secondary affect was also noticed.
Sexual maturity was
attained sooner in the littermates given early stress exercises. When
tested for differences in health and disease, the stressed animals were
found to be more resistant to certain forms of cancer and infectious
diseases and could withstand terminal starvation and exposure to cold for
longer periods than their non-stressed littermates. Other studies
involving early stimulation exercises have been successfully performed on
both cats and dogs. In these studies, the Electrical Encephalogram (EEG)
was found to be ideal for measuring the electrical activity in the brain
because of its extreme sensitivity to changes in excitement, emotional
stress, muscle tension, changes in oxygen and breathing. EEG measures show
that pups and kittens when given early stimulation exercises mature at
faster rates and perform better in certain problem solving tests than
non-stimulated mates. In the higher level animals the effect of early
stimulation exercises have also been studied. The use of surrogate mothers
and familiar objects were tested by both of the Kelloggs' and Dr. Yearkes
using young chimpanzees. Their pioneer research shows that the more
primates were deprived of stimulation and interaction during early
development, the less able they were to cope, adjust and later adapt to
situations as adults.
While experiments have
not yet produced specific information about the optimal amounts of stress
needed to make young animals psychologically or physiologically superior,
researches agree that stress has value. What also is known is that a
certain amount of stress for one may be too intense for another, and that
too much stress can retard development. The results show that early
stimulation exercises can have positive results but must be used with
caution. In other words, too much stress can cause pathological
adversities rather than physical or psychological superiority.
Methods of Stimulation
The U.S. Military in
their canine program developed a method that still serves as a guide to
what works. In an effort to improve the performance of dogs used for
military purposes, a program called "Bio Sensor" was developed.
Later, it became known to the public as the "Super Dog" Program.
Based on years of research, the military learned that early neurological
stimulation exercises could have important and lasting effects. Their
studies confirmed that there are specific time periods early in life when
neurological stimulation has optimum results. The first period involves a
window of time that begins at the third day of life and lasts until the
sixteenth day. It is believed that because this interval of time is a
period of rapid neurological growth and development, and therefore is of
great importance to the individual.
he "Bio Sensor"
program was also concerned with early neurological stimulation in order to
give the dog a superior advantage. Its development utilized six exercises
which were designed to stimulate the neurological system. Each workout
involved handling puppies once each day. The workouts required handling
them one at a time while performing a series of five exercises. Listed in
order of preference the handler starts with one pup and stimulates it
using each of the five exercises. The handler completes the series from
beginning to end before starting with the next pup. The handling of each
pup once per day involves the following exercises:
1. Tactile stimulation
Holding the pup in one hand, the handler gently stimulates
(tickles) the pup between the toes on any one foot using a Q-tip.
It is not necessary to see that the pup is feeling the tickle.
Time of stimulation 3 - 5 seconds. |
Figure 1
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Figure 2
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2. Head held erect
Using both hands, the pup is held perpendicular to the ground,
(straight up), so that its head is directly above its tail. This
is an upwards position. Time of stimulation 3 - 5 seconds (Figure 2). |
3. Head pointed down
Holding the pup firmly with both hands the head is reversed and is
pointed downward so that it is pointing towards the ground. Time
of stimulation 3 - 5 seconds (Figure 3). |
Figure 3
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Figure 4
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4. Supine position
Hold the pup so that its back is resting in the palm of both hands
with its muzzle facing the ceiling. The pup while on its back is
allowed to sleep struggle. Time of stimulation 3-5 seconds.
(Figure 4) |
5. Thermal stimulation
Use a damp towel that has been cooled in a refrigerator for at
least five minutes. Place the pup on the towel, feet down. Do not
restrain it from moving. Time of stimulation 3-5 seconds. (Figure
5) |
Figure 5
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These five exercises will
produce neurological stimulations, none of which naturally occur during
this early period of life. Experience shows that sometimes pups will
resist these exercises, others will appear unconcerned. In either case a
caution is offered to those who plan to use them. Do not repeat them more
than once per day and do not extend the time beyond that recommended for
each exercise. Over stimulation of the neurological system can have
adverse and detrimental results. These exercises impact the neurological
system by kicking it into action earlier than would be normally expected.
The result being an increased capacity that later will help to make the
difference in its performance. Those who play with their pups and
routinely handle them should continue to do so because the neurological
exercises are not substitutions for routine handling, play socialization
or bonding.
Benefits of Stimulation
Five benefits have
been observed in canines that were exposed to the Bio Sensor stimulation
exercises. The benefits noted were:
- Improved cardio vascular performance (heart rate)
- Stronger heart beats
- Stronger adrenal glands
- More tolerance to stress and
- Greater resistance to disease.
In tests of learning,
stimulated pups were found to be more active and were more exploratory
than their non- stimulated littermates over which they were dominant in
competitive situations.
Secondary effects were also noted regarding test performance. In simple
problem solving tests using detours in a maze, the non-stimulated pups
became extremely aroused, wined a great deal, and made many errors. Their
stimulated littermates were less disturbed or upset by test conditions and
when comparisons were made, the stimulated littermates were more calm in
the test environment, made fewer errors and gave only an occasional
distress when stressed.
Socialization
As
each animal grows and develops three kinds of stimulation have been
identified that impact and influence how it will develop and be shaped as
an individual. The first stage is called early neurological stimulation,
and the second stage is called socialization. The first two (early
neurological stimulation and socialization) have in common a window of
limited time. When Lorenz, (1935) first wrote about the importance of the
stimulation process he wrote about imprinting during early life and its
influence on the later development of the individual. He states that it
was different from conditioning in that it occurred early in life and took
place very rapidly producing results which seemed to be permanent. One of
the first and perhaps the most noted research efforts involving the larger
animals was achieved by Kellogg & Kellogg (1933). As a student of Dr.
Kellogg's I found him and his wife to have an uncanny interest in children
and young animals and the changes and the differences that occurred during
early development. Their history making study involved raising their own
new born child with a new born primate. Both infants were raised together
as if they were twins. This study like others that would follow attempted
to demonstrate that among the mammals there are great differences in their
speed of physical and mental development. Some are born relatively mature
and quickly capable of motion and locomotion, while others are very
immature, immobile and slow to develop. For example, the Rhesus monkey
shows rapid and precocious development at birth, while the chimpanzee and
the other "great apes" take much longer. Last and slowest is the
human infant.
One of the earliest
efforts to investigate and look for the existence of socialization in
canines was undertaken by Scott-Fuller (1965). In their early studies they
were able to demonstrate that the basic technique for testing the
existence of socialization was to show how readily adult animals would
foster young animals, or accept one from another species. They observed
that with the higher level animals it is easiest done by hand rearing.
When the foster animal transfers its social relationships to the new
species, researchers conclude that socialization has taken place. Most
researchers agree that among all species, a lack of adequate socialization
generally results in unacceptable behavior and often times produces
undesirable aggression, excessiveness, fearfulness, sexual inadequacy, and
indifference toward partners.
Socialization studies
confirm that the critical periods for humans (infant) to be stimulated are
generally between three weeks and twelve months of age. For canines the
period is shorter, between the fourth and sixteenth week of age. During
these critical time periods two things can go wrong. First, insufficient
social contact can interfere with proper emotional development which can
adversely affected the development of the human bond. The lack of adequate
social stimulation, such as handling, mothering and contact with others,
adversely affects social and psychological development.
Second, over
mothering can prevent sufficient exposure to other individuals, and
situations that have an important influence on growth and development. The
literature shows that humans and animals respond in similar ways when
denied minimal amounts of stimulation. In humans, the absence of love and
cuddling increases the risk of an aloof, distant, asocial or sociopathic
individual. Over mothering can also have its detrimental effects. It
occurs when a patient insulates the child from outside contacts, or keeps
the apron strings tight, thus limiting opportunities to explore and
interact. In the end, over mothering generally produces a dependent,
socially maladjusted and sometimes emotionally disturbed individual.
The absence of
outside social interactions for both children and pups usually results in
a lack of adequate learning and social adjustment. Protected youngsters
who grow up in an insulated environment often times become sickly,
despondent, lacking in flexibility and unable to make simple social
adjustments. Generally, they are unable to function productively or to
interact successfully then they become adults.
Owners who have busy
life styles with long and tiring work and social schedules often times
cause pets to be neglected. Left to themselves with only an occasional
trip out of the house or off of the property they seldom see other canines
or strangers and generally suffer from poor stimulation and socialization.
For many, the side effects of loneliness and boredom set-in. The resulting
behavior manifests itself in the form of chewing, digging, and hard to
control behavior (Battaglia).
It seems clear that
small amounts of stress followed by early socialization can produce
beneficial results. The danger seems to be in not knowing where the
thresholds are for over and under stimulation. Many improperly socialized
youngsters develop into older individuals unprepared for adult life,
unable to cope with its challenges, and interactions. Attempts to
re-socialize them when adults have only produced small gains. These
failures confirm the notion that the window of time open for early
neurological and social stimulation only comes once. After it passes,
little or nothing can be done to overcome the negative effects of too much
or too little stimulation.
The third and final
stage in the process of growth and development is called enrichment.
Unlike the first two stages it has no time limit and by comparison covers
a very long period of time. Enrichment is a term which has come to mean
the positive sum of experiences, which have a cumulative effect upon the
individual. Enrichment experiences typically involve exposure to a wide
variety of interesting, novel, and exciting experiences with regular
opportunities to freely investigate, manipulate, and interact with them.
When measured in later life, the results show that those reared in an
enriched environment tend to be more inquisitive and are more able to
perform difficult tasks. The educational TV program called Sesame Street
is perhaps the best known example of a children's enrichment program. The
results show that when tested, children who regularly watched this program
performed better than playmates who did not. Follow up studies show that
those who regularly watched Sesame tend to seek a college education and
when enrolled, performed better than playmates who were not regular
watchers of the Sesame Street Program.
There are numerous
children studies that show the benefits of enrichment techniques and
programs. Most focus on improving self-esteem and self-talk. Follow up
studies show that the enriched Sesame Street students when later tested
were brighter and scored above average and most often were found to be the
products of environments that contributed to their superior test scores.
On the other hand, those whose test scores were generally below average,
(labeled as dull) and the products of underprivileged or non- enriched
environments often times had little or only small amounts of stimulation
during early childhood and only minimal amounts of enrichment during their
developmental and formative years. Many were characterized as children who
grew up with little interaction with others, poor parenting, few toys, no
books and a steady diet of TV soap operas.
A similar analogy can
be found among canines. All the time they are growing they are learning
because their nervous systems are developing and storing information that
may be of inestimable use at a later date. Studies by Scott and Fuller
confirm that non-enriched pups when given free choice preferred to stay in
their kennels. Other litter mates who were given only small amounts of
outside stimulation between five and eight weeks of age were found to be
very inquisitive and very active. When kennel doors were left open, the
enriched pups would come bounding out while littermates who were not
exposed to enrichment would remain behind. The non-stimulated pups would
typically be fearful of unfamiliar objects and generally preferred to
withdraw rather than investigate. Even well bred pups of superior
pedigrees would not explore or leave their kennels and many were found
difficult to train as adults. These pups in many respects were similar to
the deprived children. They acted as if they had become institutionalized,
preferring the routine and safe environment of their kennel to the
stimulating world outside their immediate place of residence.
Regular trips to the
park, shopping centers and obedience and agility classes serve as good
examples of enrichment activities. Chasing and retrieving a ball on the
surface seems to be enriching because it provides exercise and includes
rewards. While repeated attempts to retrieve a ball provide much physical
activity, it should not be confused with enrichment exercises. Such
playful activities should be used for exercise and play or as a reward
after returning from a trip or training session. Road work and chasing
balls are not substitutes for trips to the shopping mall, outings or
obedience classes most of which provide many opportunities for interaction
and investigation.
Finally it seems
clear that stress early in life can produce beneficial results. The danger
seems to be in not knowing where the thresholds are for over and under
stimulation. However, the absence or the lack of adequate amounts of
stimulation generally will produce negative and undesirable results. Based
on the above it is fair to say that the performance of most individuals
can be improved including the techniques described above. Each contributes
in a cumulative way and supports the next stage of development.
Conclusion
Breeders can now take
advantage of the information available to improve and enhance performance.
Generally, genetics account of about 35% of the performance but the
remaining 65% (management, training, nutrition) can make the difference.
In the management category it has been shown that breeders should be
guided by the rule that it is generally considered prudent to guard
against under and over stimulation. Short of ignoring pups during their
first two months of life, a conservative approach would be to expose them
to children, people, toys and other animals on a regular basis. Handling
and touching all parts of their anatomy is also necessary to learn as
early as the third day of life. Pups that are handled early and on a
regular basis, generally do not become hand shy as adults.
Because of the risks
involved in under stimulation a conservative approach to using the
benefits of the three stages has been suggested based primarily on the
works of Arskeusky, Kellogg, Yearkes and the "Bio Sensor"
program (later known as the "Super Dog Program").
Both experience and
research have dominated the beneficial effects that can be achieved via
early neurological stimulation, socialization and enrichment experiences.
Each has been used to improve performance and to explain the differences
that occur between individuals, their trainability, health and potential.
The cumulative effects of the three stages have been well documented. They
best serve the interests of owners who seek high levels of performance
when properly used. Each has a cumulative effect and contributes to the
development and the potential for individual performance.
References:
- Battaglia, C.L., "Loneliness and Boredom" Doberman
Quarterly, 1982.
- Kellogg, W.N. & Kellogg, The Ape and the Child, New York: McGraw
Hill.
- Scott & Fuller, (1965) Dog Behavior -The Genetic Basics,
University Chicago Press
- Scott, J.P., Ross, S., A.E. and King D.K. (1959) The Effects of
Early Enforced Weaning on Stickling Behavior of Puppies, J. Genetics
Psychologist, p5: 261-81.
ABOUT THE AUTHOR
Carmen L Battaglia holds a Ph.D. and Masters Degree from
Florida State University. As an AKC judge, researcher and writer, he has
been a leader in promotion of breeding better dogs and has written many
articles and several books.Dr. Battaglia is also a popular TV and radio
talk show speaker. His seminars on breeding dogs, selecting sires and
choosing puppies have been well received by the breed clubs all over the
country. Those interested in learning more about his articles and seminars
should visit the website
http://www.breedingbetterdogs.com
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