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Ethical approval was granted by the Institutional Animal Care and Use Committee of Shiraz University and supervised by the Iranian Society for the Prevention of Cruelty to Animals (IACUC approval no. 4687\/63).The animals used in this study were selected from a privately owned Holstein dairy herd (Farziss\n                      \u00ae\n                      , Zarrin Ghazal Dairy Farm, Shiraz, Iran). All procedures involving animals were conducted with the knowledge and approval of the dairy farm management. Written informed consent was obtained from the owner\/management of the farm for the inclusion of the animals in this study. The study was conducted in accordance with relevant institutional and national guidelines for the care and use of animals.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics and consent to participate"}},{"value":"The authors consent to the publication of the data presented in this manuscript, provided that their release is justified by a reasonable scientific purpose.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"360"}}