Apparently it is, where more sheep/cows beyond 8/6 has diminishing returns.
This does mean that fewer sheep/cows is worth more than it currently is, so it would be less punishing to have some lames, or eat any under the tc
Since this was first brought up I have been considering this option. It is unlikely to be implemented for Season 2, but possibly for Season 3 once we see how Season 2 plays out with the current system (and based on player feedback).
The idea behind 1/3 of players swapping each season was to...