According to the Wiki, Transfusion (Vasca Kavat) has a 2 minutes cooldown, but the mod doesn't tell you that and the game doesn't let you know when this ability is ready. :
My very first kavat breeding. Is he any good? Do give tips on getting better kavats : r/Warframe
Companions | WARFRAME Wiki | Fandom
Category:Kavat | WARFRAME Wiki | Fandom
Kavat | WARFRAME Wiki | Fandom
Have you met Ghostfish, the stray headless kavat who lives in the Plains? If you see him, be kind. Give him pets, cast a safeguard if you can. Ghostfish is a friend
Kavat's Grace | WARFRAME Wiki | Fandom
WTB Smeeta Kavat - Fennec/Fox Ears - Guppy Tail - Lime Energy - PC: Trading Post - Warframe Forums