Author: Dr. Cristian Cristea
We chose to discuss this fashionable topic during this period and to reflect some advantages and disadvantages of these procedures among the dog’s chicks.
The social context in which we are, support the preparation of early sterilization between the number of dogs without Chinological value, also these provisions that have a law and mandatory character for animal owners since April 2014.
Why? In order to reduce the canine population without a teacher, a population that has reached a large number in recent years, this is due to abandonment and the last but no less important than an inadequate education that we veterinarians practice at the owners of animals.
It is our duty to manage the education of animal owners, providing correct and complete, transparent information and primarily put the well -being of our patients.
What are the main reasons why we recommend early sterilization?
- There is a legal obligation that obliges the sterilization of shin -free dogs
- The canine population without master becomes uncontrollable at a time
- Reduce the risk of occurrence of breast cancer
- Eliminate the risk of production of Piometrio
- Reduce aggression in dog communities
What would be the disadvantages of early sterilization?
- Increased risk of hip dysplasia in large and giants sterved males before 12 months and almost double in those sterilized before 6 months
- The rupture of the cruciate ligament, a study on a group of Goldeni, concluded that the copy (non -sterrified) had problems breaking the ligament, while 5 % of sterilized males suffered from these problems and 8 % of sterilized females, therefore the increase in the risk of painish dislocation
- The study conducted on the golden group underlines an increased risk for the appearance of lymphosarcoma in sterilized males; Even the occurrence of hemogiosarcoma in sterilized females after 12 months is up to four times higher than the case of intact and sterilized before 6 months. In addition, 6% of females sterilized after 12 months was diagnosed with cancer, while none were hit in the group of females
- A recent study conducted on a group of Vissla breed females, concluded a rate of emangiosarcoma, nine times higher in sterilized females than intact ones.


These studies have shown an incidence of cancer 6.5 times higher in castrated males and 3.6 times higher in sterilized females.
They also wanted to demonstrate a directly proportional relationship of the era of sterilization with the appearance of cancer, the conclusion of the study, before they were sterilized, before the cancer appeared.
Waters in his work, (Explore the mechanisms of sexual differences în longevity: exposure to the ovary for life and exceptional longevity în dogs) He did a study on a group of Rottweiler women. The researchers focused on determining a correlation between the period in which females are intact and the way its duration influences the duration of life.
In the case of Rottweiler, the main causes of death are sarcomas and other types of cancer, the percentage is between 38% and 73% of the total deaths.
After leaving the deaths due to cancer, they noticed that the females sterilized after the age of 7 had a longer life than those sterilized before this age.


Prepubera sterilizationIt was also associated with cognitive disorders and indicted in the increase of up to three times the risk of hyperthyroidism, which often produces behavioral changes, studying a group of viszla breed dogs has revealed important behavioral changes in males and sterilized females.
They were prone to develop certain behavioral changes such as:
- Fear of the storm
- Separation anxiety
- Fear of noises
- shyness
- Excitability
- aggression
- Hyperactivity
- Mortar
Other studies have shown that sterilized animals are more aggressive, frightened, excitable and more difficult to train compared to intact (Parise Farhoody @ M. Christine Zink, Behavioral and physical effects of domestic sterilization and sterilization dogsMay 2010).
These studies contravene the ordinary opinions that sterilization reduces aggression and behavioral problems.
There is nothing tied to the routine when we are talking about sterilization
These discoveries are also an enigma for shelters and rescuers who support the sterilization and castration of animals.
In addition, reducing the number of dogs in the shelters is an important goal, but over time a hypothesis claims that the shelters are full of overpopulation, these studies want to demonstrate that an important cause of abandonment are behavioral problems.
In addition, the question of morality of offering dogs greater predisposition for cancer and joint disorders.
There are alternative methods for the complete removal of reproductive organs, which can play a role in reducing cancer problems, joints and behaviorals support those who have conducted these studies.
Sterilization is an instant menopause and the immediate arrest of hormones that are involved only in the reproduction process.
Other sterilization and castration techniques, which do not involve the total removal of the sexual organs, can have a lower impact on the hormones and the endocrine system, so that dogs can benefit from greater protection, even after sterilization.
Even the hormones produced by the sexual organs play an important role in homeostasis (they represent in biology the property of an organism to be maintained, within very close limits, the constants of its internal environment), the body condition, the level of cholesterol, the level of energy, the urinary continuation, the muscle tone, the behavior and the most important, play a significant role in the development and development of the system, mainly to dogs.
Other options for sterilization
In females, partial sterilization or sterilization without ovarian removal, the binding of the ovarian tube is considered by some safer and more beneficial options.
In males, vasectomy is considered a safer option. There are also zinc injections that cause temporary sterilization, even desloline systems can be considered that temporary sterilization options, but maintain, do not constitute a legal variant of sterilization of unprecedented dogs.
As doctors we have the moral and deontological obligation to put in the first place and to consider that the main beneficiary our patient and his owner, these things must receive when we make a sterilization or recommendation in advance not to sterilize an animal.
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