Piglets born after intrauterine laparoscopic embryo transfer

• Autorzy: Wieczorek J. , Koseniuk J. , Mandryk I. , Poniedzialek-Kempny K.
• Języki publikacji: EN

Abstrakty

EN

The aim of the study was the preliminary development of laparoscopic transfer of embryos to the uterus in the pig, which can become the alternative for more invasive surgical methods. We proposed the original method of embryo transfer. Donors (n = 40) and recipients (n = 15) of embryos were sows of age of 6-8 months. The estrus cycle of both recipients and donors was routinely synchronized. The experimental animals were divided into two groups. In the first group (10 donors and 3 recipients) embryos were transplanted according to the method described earlier and in the second group (30 donors and 12 recipients) embryos were transplanted according to our own proposed method. As the control group, we used 16 sows after insemination (AI). In animals from both experimental groups pregnancy was diagnosed between 28-31 day after transplantation and in the control group between 28-31 day after insemination. All animals were observed during pregnancy and weaning period in pig farm. Embryos at the development stage of 2-4 cell were obtained surgically and cultured in vitro for 4 days. Obtained blastocysts were transferred to donors. The original set of catheters for blastocysts transfer to pig uterus was constructed. Three trocars were placed in abdominal cavity for inserting endoscope and 2 grasps for uterus stabilization. After uterus stabilization, the slide was inserted into abdomen which was used for putting the needle to puncture uterus. Through this needle catheter with embryos was inserted into the uterus cavity. Embryos were placed by injection into lumen of the one uterine horn. From 12 recipients pregnancy was diagnosed in 6 recipients. From 6 litters, 57 piglets were born. We weaned 41 piglets (71.9%). In our study we obtained 50% efficacy, with the mean number of 9.5 alive piglets in litter and 6.8 weaned piglets. The efficacy of developed method of laparoscopic transfer of porcine embryos allows it to be used in routine practice.

• Wydawca: -
• Czasopismo: Polish Journal of Veterinary Sciences
• Rocznik: 2015
• Tom: 18
• Numer: 2
• Opis fizyczny: p.425-431,fig.,ref.

Twórcy

autor

Wieczorek J.

• Department of Biotechnology of Animal Reproduction, National Research Institute of Animal Production, 32-083 Balice/Krakow, Poland

autor

Koseniuk J.

• Artvimed Centre for Reproductive Medicine, 30-147 Krakow, Poland

autor

Mandryk I.

• Department of Biotechnology of Animal Reproduction, National Research Institute of Animal Production, 32-083 Balice/Krakow, Poland

autor

Poniedzialek-Kempny K.

• Department of Biotechnology of Animal Reproduction, National Research Institute of Animal Production, 32-083 Balice/Krakow, Poland

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Identyfikatory

DOI

10.1515/pjvs-2015-0054