Suprelorin® implant in male cats: A retrospective internet-based survey of clientowned cats
2022
Main reasons for temporary infertility treatment in tomcats are undoubtedly unwanted urine marking, vocalization, behavioural changes and poor appetite. Suprelorin® (containing deslorelin) is synthetic gonadotropin-releasing hormone agonist used to induce temporary infertility. At the moment use in cats is off-label. Study was done as online survey to cat owners who have used the implant on their tomcats. In total 486 answers were given from 28 countries and 31 different breeds. 70.8% of cats had offspring before implant and 89.2% of the cats got offspring after implant. Average age at implantation was 24.1 ± 14.6 months. In average the effect lasted 14.8 ± 6.0 months. It significantly reduced (p < 0.001) urine marking, vocalization, aggressiveness, restlessness and weight loss. Smell of pee decreased in 87% and testicle size decreased in 91% of the cats. Weight gain was reported in 77.5% of the cats. The implant had no effect in 2.1% of the cats. 19.5% tried to mate females in heat even without any other signs of stud behaviour and 5.3% got offspring during the implant. In 17% effect of second implant lasted longer than first and in 27.4% the effect ended earlier. 93% of owners had positive overall experience of the implant. In conclusion, Suprelorin® implant is easy to use and can be used to induce temporary infertility in tomcats, but it is not 100% effective and tomcats with the implant should be kept separated from females they are not allowed to mate.
Show more [+] Less [-]Isaste kasside ajutise viljatusravi peamiseid põhjuseid on kahtlemata soovimatu uriiniga märgistamine, häälekus, käitumuslikud muutused ja vilets söögiisu. Suprelorin® (mis sisaldab deslorelini) sarnaneb toime poolest loodusliku hormooni gonadotropiini vabastajahormooniga, ning seda kasutatakse ajutise viljatuse tekitamiseks. Hetkel ei ole selle implantaadi kasutamine ametlikult kasside jaoks näidustatud. Uuring viidi läbi internetipõhisena, küsitleti kassiomanikke, kes oma isaste kasside puhul seda ravimit on kasutanud. Küsitlusele vastas 486 isikut 28 riigist, vaatluse all oli 31 erinevat tõugu. 70,8% kassidest said järglaseid enne implantaadi paigaldamist ja 89,2% kassidest said järglased pärast implantaadi paigaldamist. Keskmine kasside vanus implantaadi paigaldamisel oli 24,1 ± 14,6 kuud. Keskmiselt kestis mõju 14,8 ± 6,0 kuud. See vähendas oluliselt (p < 0,001) uriiniga märgistamist, häälekust, agressiivsust, rahutust ja kehakaalu langust. Uriinilõhn vähenes 87% ja munandite suurus 91% kassidest. Kaalutõusust raporteeriti 77,5% kassidest. Implantaat ei avaldanud mõju 2,1% kassidest ja 19,5% proovis paaritada indlevad emaseid. Samas ei esinenud muid paaritumiskäitumise ilminguid ja 5,3% kassidest sai implantaadi kandmise ajal järglasi. 17% kestis teise implantaadi toime kauem kui esimese ja 27,4% lõppes mõju varem. 93% omanikest oli implantaadiga üldiselt positiivne kogemus. Kokkuvõtteks võib öelda, et hormonaalset implantaati Suprelorin® on lihtne kasutada ja seda saab kasutada ajutise viljatuse esilekutsumiseks kõutsidel, kuid see ei ole 100% efektiivne ja implantaadiga kassid tuleks hoida emasloomadest, kellega neid ei soovita paaritada, eraldada.
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