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2023, Vol: 77, Issue: 1
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Original Article 


Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions

Mostafa K. El-Bakly, Ibrahim A. Mostafa, Hamada D. Mahboub.

Abstract
The objective of this study was to assess the reproductive performance and disorders of pure Holstein-Friesian (HO) and Montbeliarde (MO) crossbred cows in a commercial dairy herd under Egyptian conditions. Analysis was done for age at first calving (AFC), number of services per conception (NSPC), days open (DOPN), gestation period (GP), and calving interval (CI). The results revealed that the AFC, NSPC, DOPN, and CI of crossbred cows (MO×HO) were significantly lower than those of pure HO cows. GP was numerically shorter in HO cows than in MO × HO crossbred cows. In both breeds, the NSPC was significantly lower in the winter than it was in the summer. During the summer season, pure HO cows had the longest DOPN. However, the shortest DOPN was recorded in MO × HO crossbred cows in the winter season. A significant difference between calving seasons was found with regard to the calving interval. MO × HO crossbred cows had a higher percentage of affected cows with retained placenta, endometritis, and repeat breeding than pure HO breeds. It was concluded that MO×HO crossbred cows had higher fertility than pure HO cows. Additionally, MO×HO crossbred cows were minimally affected during different seasons under Egyptian conditions. However, pure HO cows likely performed better than MO×HO crossbred cows in terms of reproductive disorders.

Key words: Holstein-Friesian, Montbeliarde, reproduction, calving season, disorders


 
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How to Cite this Article
Pubmed Style

El-Bakly MK, Mostafa IA, Mahboub HD. Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. AJVS. 2023; 77(1): 115-122. doi:10.5455/ajvs.93260

Web Style

El-Bakly MK, Mostafa IA, Mahboub HD. Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. https://www.alexjvs.com/?mno=93260 [Access: April 29, 2023]. doi:10.5455/ajvs.93260

AMA (American Medical Association) Style

El-Bakly MK, Mostafa IA, Mahboub HD. Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. AJVS. 2023; 77(1): 115-122. doi:10.5455/ajvs.93260


Vancouver/ICMJE Style

El-Bakly MK, Mostafa IA, Mahboub HD. Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. AJVS. (2023), [cited April 29, 2023]; 77(1): 115-122. doi:10.5455/ajvs.93260


Harvard Style

El-Bakly, M. K., Mostafa, . I. A. & Mahboub, . H. D. (2023) Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. AJVS, 77 (1), 115-122. doi:10.5455/ajvs.93260


Turabian Style

El-Bakly, Mostafa K., Ibrahim A. Mostafa, and Hamada D. Mahboub. 2023. Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. Alexandria Journal of Veterinary Sciences, 77 (1), 115-122. doi:10.5455/ajvs.93260


Chicago Style

El-Bakly, Mostafa K., Ibrahim A. Mostafa, and Hamada D. Mahboub. "Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions." Alexandria Journal of Veterinary Sciences 77 (2023), 115-122. doi:10.5455/ajvs.93260


MLA (The Modern Language Association) Style

El-Bakly, Mostafa K., Ibrahim A. Mostafa, and Hamada D. Mahboub. "Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions." Alexandria Journal of Veterinary Sciences 77.1 (2023), 115-122. Print. doi:10.5455/ajvs.93260


APA (American Psychological Association) Style

El-Bakly, M. K., Mostafa, . I. A. & Mahboub, . H. D. (2023) Evaluation of Reproductive Performance and Disorders in Holstein-Friesian and its Crossbreds with Montbeliarde under Egyptian Conditions. Alexandria Journal of Veterinary Sciences, 77 (1), 115-122. doi:10.5455/ajvs.93260




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