As for sterilization, I think it’s a banal greed for people. The package "Controsex" costs 50 rubles and you have to give it several times a year. Sterilization of the cat by the old method costs from 4000 rubles, by the new method (through the side) from 6 500 rubles. A cat will not live as long as you can buy countersex for that money. And, the fact that this is a real harm to the animal, a huge imbalance of the body, etc., it doesn’t matter. Especially because there will always be those who have been fucking this shit cat all their lives and nothing.
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Sterilization of cats in most clinics costs 2-3 thousand, or even less. It is not clear why the problem should not be solved once and for all. I pulled my co-shandra for a year to veto, and now we both live happily. The cat is not limited to walking (private house in the village), and I do not expect surprises in the form of kittens and therefore do not replenish an army of homeless animals.
Peace, cat and March!