Funding for this research was provided by:
Hebei key research and development program (19226611D)
Inovation ability training program of Hebei Province for Graduate candidate (CXZZBS2020101)
Project of Bureau of Hebei Animal Husbandry and Veterinary Medicine (2013107)
Hebei Dairy Cattle Innovation Team of Modern Agro-industry Technology Research System (HBCT2018120406)
Hebei Beef Innovation Team of Modern Agro-industry Technology Research System (HBCT20181130405)
Received: 15 December 2020
Accepted: 28 June 2021
First Online: 19 July 2021
: Claw lamellar tissues were collected at a local abattoir from healthy adult dairy cows at Baoding Lianchi slaughter house (Hebei, China) and used with the consent of the slaughter house. All dairy cows were slaughtered for meat production and no animal was slaughtered specifically for the purpose of tissue collection.
: Not applicable.
: The authors declare that they have no competing interests.