The hens are promised at the start of the revolution that they will get to keep their eggs, which are stolen from them under Mr. Jones.
ðə hˈɛnz ɑːɹ pɹˈɑːmɪst æt ðə stˈɑːɹt ʌvðə ɹˌɛvəlˈuːʃən ðæt ðeɪ wɪl ɡɛt tə kˈiːp ðɛɹ ˈɛɡz, wˌɪtʃ ɑːɹ stˈoʊlən fɹʌm ðˌɛm ˌʌndɚ mˈɪstɚ. dʒˈoʊnz.