Potrivit unui raport prezentat de Mother Nature Network, numărul mistreţilor este foarte mare, în 2009, producând recoltelor pagube de 44 milioane de dolari, iar autorităţile nu mai ştiu cum să facă pentru a-i opri să se reproducă.
Una dintre soluţiile propuse implică anticoncepţionalele, pe care animalele să se primească prin intermediul mâncării lăsată de paznicii domeniilor de vânătoare. Totuşi, există o mică problemă: cum să procedeze, pentru ca alte animale să nu se hrănească cu mâncarea în care se află anticoncepţionale şi să devină sterile? Dacă se va găsi răspuns la această întrebare, mistreţii vor beneficia de o metodă contraceptivă modernă.
Vezi subiectele la matematică la Evaluarea Națională 2026 – ce le-a picat elevilor.
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