Risk factors for return-to-estrus in primiparous Landrace × Yorkshire sows under tropical conditions: A large-scale retrospective study

Veterinary World Volume 19, Issue 2

Feb 2026

Citescore: 4.5
Impact Factor: 2.3

ARTICLE

Risk factors for return-to-estrus in primiparous Landrace × Yorkshire sows under tropical conditions: A large-scale retrospective study

Nam Hoai Nguyen , Lanh Thi Kim Do , Thanh Van Nguyen , Dung Van Bui , Dao Tran Anh Bui , Peerapol Sukon
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¹ Department of Animal Surgery and Theriogenology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi, Vietnam,

² Department of Animal Surgery and Theriogenology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi, Vietnam,

³ Department of Animal Surgery and Theriogenology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi, Vietnam,

⁴ Department of Animal Surgery and Theriogenology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi, Vietnam,

⁵ Department of Veterinary Pathology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi, Vietnam.

⁶ Faculty of Veterinary Medicine, Khon Kaen University, Thailand. 123 Moo 16 Mittraphap Rd., Nai-Muang, Muang District, Khon Kaen 40002, Thailand; Research Group for Animal Health Technology, Khon Kaen University, Thailand. 123 Moo 16 Mittraphap Rd., Nai-Mu

Corresponding Author: Peerapol Sukon (sukonp@kku.ac.th)

Nguyen et al. This article is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International License.

https://doi.org/10.14202/vetworld.2026.631-641

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Veterinary World

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Risk factors for return-to-estrus in primiparous Landrace × Yorkshire sows under tropical conditions: A large-scale retrospective study

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