Gap. Titoy et al., CRYOPRESERVATION OF SHEATHED 3RD-STAGE LARVAE OF OESOPHAGOSTOMUM-RADIATUM (NODULAR WORM OF CATTLE), Onderstepoort journal of veterinary research, 64(2), 1997, pp. 157-157
Sheathed infective larvae of Oesophagostomum radiatum were successfull
y cryopreserved by the use of a procedure developed for hookworms. The
survival rate, as assessed by motility, was 57,9% after 42 d of cryop
reservation.