Used to be sung in the Swan in Wadebridge back in the sixties buy the local Cornish-Irish-Welsh tenor [as Mervyn Vincent used to call him] - I think his name was Ted Roberts: one of the old 'Skeeters' crowd - all with actions.

When I was a lad, a farmer's lad,
I looked after the farmer's rams.
With a ram a-ramming here, and a ram a-rammining there
Here a-ramming, there a-ramming, ramming everywhere
For to plough and sow and reap and mow
And to be a farmer's boy, to be a farmer's boy.

Pig: [snort - rather like Susanna's a funiful man] OR:
Pig: a-screwing...
Duck: a-ducking...
Hens: a-laying...
Bull: a-bulling...
Cow: tits a-flopping here...
Wife: Well I had her over here, and I had her over there...

etc... you had to understand the style of different animals copulation characteristics to appreciate the actions that went with the [relevant] verses - particularly the pig! Don't remember rabbits though - as tradsinger said, verses could be added ad lib. Quite popular amongst us farmer's boys - and I'd almost forgotten it! Thanks for the reminder - but I don't think it'll go back into the repertoire.

TomB