Assertion: monitor's prey | /r/HasProperty | injected with gel
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text: Prekilled whole prey may be injected with Nutri-Cal, Endura-Jel or other high calorie vitamin/mineral paste or gel formulated for dogs and cats (gently heat the gel to make it less stiff, then use a needle-less syringe can be used to suck it up and shoot it down the throat of killed prey.) for underweight youngsters or those recovering from illness or injury.