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Article History

Received: 18 November 2023

Accepted: 10 September 2024

First Online: 28 September 2024

Declarations

:

: The animal was handled and treated in accordance to general guidelines and regulations approved by the Forschungsinstitut für Nutztierbiologie (FBN) authority. The therapeutic procedure of transvaginal ovariectomy was done after epidural anesthesia (5 ml procaine hydrochloride 2%) and following analgesic treatment (40 ml Metapyrine). Further, it was not necessary to apply for any specific experimental certificate from the Animal Welfare Committee of Mecklenburg-Pomerania/Germany (regional authority) because the ovariectomy was a therapeutical procedure to safeguard the further life of this single cow and to ensure the further reproductive fitness of the animal.

: Not applicable.

: The authors declare no competing interests.