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Published in: Comparative Clinical Pathology 3/2020

01-06-2020 | Fertility | Original Article

Assessment of biochemical and immunohistochemical changes in buffalo-cows with reproductive disorders

Authors: Mahmoud Abdelghaffar Emam, Fatma A. Gad

Published in: Comparative Clinical Pathology | Issue 3/2020

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Abstract

Low reproductive performance of buffaloes is a major problem faced by breeders. Anestrus and repeat breeding are the most common reproductive disorders in buffaloes. In this study, 25 buffalo-cows (normal cyclic, n = 9, pluriparous; anestrus, n = 7, nulliparous and repeat breeders, n = 9, pluriparous) were used to assess some biochemical and immunohistochemical changes in those that had reproductive disorders in comparison with normal cyclic animals. Serum calcium (Ca) and vitamin D (25(OH)D) levels were analyzed. Also, serum progesterone (P4) and estradiol (E2) levels were measured to assess the animals’ reproductive statuses. Additionally, immunohistochemical expression of calcium-binding protein-D9k (CaPB-9k) and vitamin D receptor (VDR) in the uterine tissues of all examined animals were evaluated. It was interesting that both biochemical and immunohistochemical results seem to correlate well. Both anestrus and repeat breeder buffalo-cows showed significant (p < 0.01) low serum levels of Ca and 25(OH)D as well as P4 and E2 in comparison with normal cyclic animals. Immunohistochemically, CaBP-9k and VDR immunoreactions were limited to the endometrial epithelia of all examined animals. But, both anestrus and repeat breeder buffalo-cows showed remarkable lower uterine expressions for CaBP-9k and VDR in comparison with normal cyclic ones. In conclusion, this study refers to the potential necessary role of Ca, 25(OH)D, CaBP-9k, and VDR in the continued fertility of buffalo-cows as well as, the endometrial viability. Therefore, our results suggest a link between the incidence of anestrous or repeat breeding in buffalo-cows and the low serum levels of Ca and 25(OH)D and/or low expression of uterine CaBP-9k and VDR.
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Metadata
Title
Assessment of biochemical and immunohistochemical changes in buffalo-cows with reproductive disorders
Authors
Mahmoud Abdelghaffar Emam
Fatma A. Gad
Publication date
01-06-2020
Publisher
Springer London
Keyword
Fertility
Published in
Comparative Clinical Pathology / Issue 3/2020
Print ISSN: 1618-5641
Electronic ISSN: 1618-565X
DOI
https://doi.org/10.1007/s00580-020-03109-9

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