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Factors affecting service period, Calving interval and milk yield of Holstein Friesian dairy cows in Upper Egypt
جامعة أسيوط
Sci Rep 12, 7869 (2022).May 2022
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Received: 5 October 2022 Revised: 14 December 2022 Accepted: 10 January 2023
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Received: 31 August 2020; Accepted: 27 September 2020
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Received: 21 January 2022 Revision received: 28 September 2022 Accepted: 02 October 2022 Published: 20 December 2022
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Received: 12 August 2022 / Revised: 26 September 2022 / Accepted: 30 September 2022 / Published: 6 October 2022
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