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Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig

BACKGROUND: Induction of parturition in guinea pigs appears to be essential because these animals have a higher rate of reproductive problems than rabbits and small rodents. OBJECTIVES: Since aglepristone (AGL) is a competitive progesterone antagonist acting through binding to progesterone receptors...

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Autores principales: Sara, Tayeban, Reza, Narenjisani, Morteza, Keywanloo, Vali, Yasamin, Soroori, Sarang, Ebrahim, Shahroozian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10188067/
https://www.ncbi.nlm.nih.gov/pubmed/36634253
http://dx.doi.org/10.1002/vms3.1078
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author Sara, Tayeban
Reza, Narenjisani
Morteza, Keywanloo
Vali, Yasamin
Soroori, Sarang
Ebrahim, Shahroozian
author_facet Sara, Tayeban
Reza, Narenjisani
Morteza, Keywanloo
Vali, Yasamin
Soroori, Sarang
Ebrahim, Shahroozian
author_sort Sara, Tayeban
collection PubMed
description BACKGROUND: Induction of parturition in guinea pigs appears to be essential because these animals have a higher rate of reproductive problems than rabbits and small rodents. OBJECTIVES: Since aglepristone (AGL) is a competitive progesterone antagonist acting through binding to progesterone receptors while oxytocin (OT) is a powerful constituent of uterine smooth muscle, the aim of this study was to evaluate the clinical and ultrasonographic impacts of AGL and OT on guinea pig parturition induction. METHODS: In this study, guinea pigs were allocated into five groups; each included five animals on the 61st day of pregnancy. In the aglepristone group (Agle), AGL was administrated subcutaneously (SC) once daily on 2 consecutive days (Days 61 and 62 post mating). Oxytocin (OT) was administered subcutaneously once and twice at 4‐h intervals on Day 62 post mating in oxytocin 1 (Oxy1) and oxytocin 2 (Oxy2) groups, respectively. The animals in the aglepristone‐oxytocin group (Agle‐Oxy) received AGL subcutaneously once daily on 2 consecutive days (Days 61 and 62 post mating) and OT on Day 62 post mating. The remaining sows received saline solution (0.9% NaCl) in the control group. RESULTS: According to the results, fetal heart rate, temperature, neonatal and maternal survival rates were not significantly different between the treatment and control groups (p > 0.05). Biparietal diameter of head and body weight of neonates in the Agle, Oxy2 and Agle‐Oxy groups showed a significant decline, compared to the control group (p < 0.05). The time interval between injection and delivery and the duration of pregnancy was significantly reduced in Agle, Oxy2, Agl‐Oxy groups, compared to the control and Oxy1 groups. CONCLUSIONS: In conclusion, it seems that treatment Oxy2 can induce parturition in guinea pigs without side effects and lower pain during induction of parturition.
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spelling pubmed-101880672023-05-17 Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig Sara, Tayeban Reza, Narenjisani Morteza, Keywanloo Vali, Yasamin Soroori, Sarang Ebrahim, Shahroozian Vet Med Sci RODENTS BACKGROUND: Induction of parturition in guinea pigs appears to be essential because these animals have a higher rate of reproductive problems than rabbits and small rodents. OBJECTIVES: Since aglepristone (AGL) is a competitive progesterone antagonist acting through binding to progesterone receptors while oxytocin (OT) is a powerful constituent of uterine smooth muscle, the aim of this study was to evaluate the clinical and ultrasonographic impacts of AGL and OT on guinea pig parturition induction. METHODS: In this study, guinea pigs were allocated into five groups; each included five animals on the 61st day of pregnancy. In the aglepristone group (Agle), AGL was administrated subcutaneously (SC) once daily on 2 consecutive days (Days 61 and 62 post mating). Oxytocin (OT) was administered subcutaneously once and twice at 4‐h intervals on Day 62 post mating in oxytocin 1 (Oxy1) and oxytocin 2 (Oxy2) groups, respectively. The animals in the aglepristone‐oxytocin group (Agle‐Oxy) received AGL subcutaneously once daily on 2 consecutive days (Days 61 and 62 post mating) and OT on Day 62 post mating. The remaining sows received saline solution (0.9% NaCl) in the control group. RESULTS: According to the results, fetal heart rate, temperature, neonatal and maternal survival rates were not significantly different between the treatment and control groups (p > 0.05). Biparietal diameter of head and body weight of neonates in the Agle, Oxy2 and Agle‐Oxy groups showed a significant decline, compared to the control group (p < 0.05). The time interval between injection and delivery and the duration of pregnancy was significantly reduced in Agle, Oxy2, Agl‐Oxy groups, compared to the control and Oxy1 groups. CONCLUSIONS: In conclusion, it seems that treatment Oxy2 can induce parturition in guinea pigs without side effects and lower pain during induction of parturition. John Wiley and Sons Inc. 2023-01-12 /pmc/articles/PMC10188067/ /pubmed/36634253 http://dx.doi.org/10.1002/vms3.1078 Text en © 2023 The Authors. Veterinary Medicine and Science published by John Wiley & Sons Ltd. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle RODENTS
Sara, Tayeban
Reza, Narenjisani
Morteza, Keywanloo
Vali, Yasamin
Soroori, Sarang
Ebrahim, Shahroozian
Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
title Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
title_full Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
title_fullStr Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
title_full_unstemmed Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
title_short Evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
title_sort evaluation of aglepristone and oxytocin on induction of parturition in guinea pig
topic RODENTS
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10188067/
https://www.ncbi.nlm.nih.gov/pubmed/36634253
http://dx.doi.org/10.1002/vms3.1078
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