This is not my art, it was created by the awesome artist  kerjois who has unfortunately had to move on from FA

As part of an agricultural experiment, these three heifers were removed from their home at a dairy farm and transported to a multiple acre reserve, where they were allowed to eat as much as they wanted and roam as freely as required over a three-year period. The grass in the area was bombed with a plethora of chemicals, increasing the nutrients and caloric intake of the bountiful fields. The three moved as a unified herd throughout the hills of the reserve, reducing vast areas of lush grasses to baron patches of dirt and mud, their appetites insatiable, as the chemicals took effect on their psyche. To them the grass had become irresistible and far more flavoursome, now refusing to eat the unmodified equivalent. Eventually all their eating caught up with the herd, their once spry bodies softening with layers and layers of thick rolls and soft fat, engulfed by their indulgence.

It has come to the point where the cows now only continue moving in order to eat, their huge bodies causing their breaths to run short, tiring them out after just a few labourious strides. This effect has become most evident in the most indulgent of the three, the white cow, who now requires intervention by the scientists to even move to new pastures. Her body is so engulfed with fat that she can no longer move, resting her useless fatty limbs atop her substantial belly-shelf as her heavy gut spills beneath her enormity. Her neck rolls strained even her identifying collar to the point that it snapped under her immense rolls, thudding on the grassy floor beneath her expanse with a weak clang. She finds it hard to even pause for breaths amid her feeding, the grass becoming an addiction, leaving the immobile bovine gasping and panting for breath after a substantial feasting. At the back of the herd stands another huge cow, the black cow, a product of non-stop eating has ballooned in size and shape, her voluminous flanks stretching to her sides like humongous lardy pillows, her neck and limbs similarly crowded with fat, immobility is surely approaching. Even the most enthusiastic of the three, the brown cow, has recently began finding it hard to move or breathe, her body firmly contacting the ground as she drags her bloated form through the addicting grassy meadows.