After considering his options, Jeff decides to turn Jessica into a cow...
As he selects the option, Jessica is transported to a farmers field. She is now completely naked, she looks around and says "Like, how did I get here?" Then she feels her bowels fill up again as her ass expands rapidly to bovine proportions then she relaxes her muscles and her excrement just drops out of her backside in the form of a pat, as a ropey tail drops from her tailbone. Her legs start to grow a coarse fur white fur with spots of black dotted around, as does her bovine butt...
As the changes travel down her legs, she falls to all fours, unable to stand upright, as she hits the ground, she feels something drop out of her crotch, looking down she can see an udder as well as a leathery bovine pussy, that feels like it is on fire...
Her hands and feet have now turned black and are hooves. Jessica is now a cow from the waist down...
As the transformation charges around her body, Jessica starts gaining weight, very quickly. Her breasts also expand to double their original size...
The changes reach the head now and Jessica feels here hair receding, excepting a small white tuft at the top of her head. Her nose and mouth fuse together and push out into a bovine muzzle, there is a pinch in her right ear as a tag is pierced into it.
Finally her mind begins to alter and she realises a few things
1) she is now very dumb
2) she is a milk cow
3) she is in heat
She looks up and spots a hung bull approaching and responds with a vacant yet suggestive MOOOOOOOOOOOO!!