That"s hen-tertainment! Pin-up calendar for hens featuring ruffled roosters and cool cockerels meant to improve egg quality

That's hen-tertainment! Pin-up calendar for hens featuring ruffled roosters and cool cockerels meant to improve egg quality | UPDATED: 21:17 GMT, 9 December 2012 Rugged exterior and cocky poses are a given for pinup-calendars, however these models are a whole new breed as they prance for photographs for the world's first calendar for hens.