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Updated: Feb 13, 2026

Bovine Mammary Gland Biopsy Techniques
Published on: December 23, 2018
Optimisation of Laser-Assisted Biopsy Parameters in Bovine Embryos
Jingyu Zhang1, Hang Shen1, Zhenni Zhang1
1Frontiers Science Center for Molecular Design Breeding (MOE), Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China.
None:
Although laser-assisted biopsy has shown advantages in other species, optimised protocols for bovine embryos remain scarce. This study developed a systematically optimised laser biopsy method for bovine embryos, which demonstrated high post-biopsy survival rates. Key parameters including laser energy, needle diameter, and operating medium were refined to establish a reliable and efficient standard protocol. This technical advance provides critical support for large-scale embryo genomic selection in cattle, facilitating enhanced genetic breeding outcomes.
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