ORIGINAL RESEARCH article
Front. Vet. Sci.
Sec. Animal Reproduction - Theriogenology
Volume 12 - 2025 | doi: 10.3389/fvets.2025.1579540
This article is part of the Research TopicRecent developments in Animal Reproduction: combining research with practiceView all 11 articles
Efficiency of laparoscopic artificial insemination in goats: impact of laparoscopic insemination sheath needle design
Provisionally accepted
Ting-Chieh Kang1*
Hsin-Hung Lin1Hsiu-Lien Lin1Pei-Chun Tsai1Yu-Hsin Chen1Fung-Hsiang Chu1Kai-Fei Tseng1Perng-Chih Shen2*- 1Taiwan Livestock Research Institute, Ministry of Agriculture, Tainan, Taiwan
- 2Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung, Taiwan
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This study evaluated the impact of laparoscopic artificial insemination (LAI) sheath needle design on reproductive performance in goats. Three sheaths (IMV, Minitub, and TLRI) were compared based on pregnancy rate, kidding rate, and average litter size. A total of 300 Alpine does (aged 2-3 years) were used in two experiments: Experiment 1 examined the effects of different uterine horn insemination sites, middle-horn (M-H) vs. horn-body junction (H-BJ), while Experiment 2 assessed unilateral versus bilateral insemination. In Experiment 1, the LAI site, either M-H or H-BJ, TLRI and IMV sheaths demonstrated significantly higher overall pregnancy rates than Minitub (P < 0.05). Regarding the kidding rate, the Minitube sheath at the H-BJ position yielded the lowest value (P < 0.05), while the TLRI sheath at the M-H position resulted in the highest value (P < 0.05). No significant differences were observed among the other groups (P > 0.05). In Experiment 2, regardless of whether the IMV or TLRI sheath was used to deposit semen unilaterally or bilaterally, there were no significant differences in pregnancy rate, kidding rate, and average litter size (P > 0.05). Overall, the results indicated that the TLRI and IMV sheaths had superior performance. Additionally, unilateral insemination is a time-saving method that does not compromise reproductive outcomes, providing valuable insights for optimizing LAI techniques and equipment.
Keywords: Goat, Laparoscopic insemination, sheath needle design, Pregnancy Rate, Kidding rate, Average little size
Received: 19 Feb 2025; Accepted: 02 Jun 2025.
Copyright: © 2025 Kang, Lin, Lin, Tsai, Chen, Chu, Tseng and Shen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Ting-Chieh Kang, Taiwan Livestock Research Institute, Ministry of Agriculture, Tainan, Taiwan
Perng-Chih Shen, Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung, Taiwan
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