This stimulates the secretion of fluids rich in lipids and mucoproteins on which they feed along with scrapings from the oviduct wall.
ðɪs stˈɪmjʊlˌeɪts ðə sᵻkɹˈiːʃən ʌv flˈuːɪdz ɹˈɪtʃ ɪn lˈɪpɪdz ænd mjˈuːkəpɹˌoʊtiːnz ˌɔn wˌɪtʃ ðeɪ fˈiːd ɐlˈɔŋ wɪð skɹˈeɪpɪŋz fɹʌmðɪ ˈoʊvɪdˌʌkt wˈɔːl.