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Abstract
1. The first loop of the domestic hen's magnum was fistu‐lated. A cannula mounted with a collecting tube served to trap the passing ova about 2.5 h following ovulation.
2. Nine out of 10 fistulated hens resumed ovulation about 2 to 5 weeks following surgery. A total of 63 magnal ova were collected.
3. Five of the magnal ova were successfully returned to the oviduct through the fistula and resulted in 5 normal soft‐shelled eggs. The success of ova reimplantation was affected by prolapse of the posterior part of the oviduct and the timing of ova return.
Notes
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