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Research Article
Online Published: 07 Oct 2024
 


Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli

Joshua Tersue Adeke, Hassan Abdulsalam , Halima Idrisa Gambo, Joseph John Gadzama, George Yilzem Gurumyen, Ladi Amos Chabiri, Talatu Patience Markus, Sani Adamu , King Akpofure Nelson Esievo.


Abstract
Aim: This study determined calcium metabolism-related reproductive endocrine changes associated with Escherichia coli (E. coli) infection in layer chickens.
Methods: A total of 20 laying chickens (20 weeks old) were acquired and assigned, into two groups (infected and controlled) of 10 layers each. Birds in the infected group were challenged with 0.5 ml of bacterial aliquot containing 109 colony forming units (CFU) of the bacteria, intratracheally. Two (2) ml of blood were collected from each bird in both groups and used for biochemical analyses.
Results: Escherichia coli infection in layers caused decrease in mean oestrogen profile from day 6 reaching the lowest value (332.6 ± 5.41 pg/ml) on day 28 post infection (pi) that differed significantly (p < 0.05) from the corresponding value in the control group. The mean plasma progesterone profile and mean plasma calcium concentration in the infected group decreased from day 4 and 6 pi, respectively, and reached the lowest significant (p<0.05) values (94.8 ± 1.98 pg/ml and 1.61 ± 0.11 mmol/L, respectively) on day 28 and 14 pi, respectively, which was significantly different (p < 0.05) from that in their corresponding control group. The mean plasma phosphate concentration and mean parathormone profile increased from day 6 to a significantly (p < 0.05) higher levels (1.64 ± 0.12 mmol/L and 31.04 ± 0.80 pg/ml, respectively) on day 14 and 21, pi respectively.
Conclusion: The E. coli-induced reproductive endocrine and clinicopathological changes recorded in present study may be responsible for the reported reproductive disorders in layers infected with E. coli.

Key words: Calcium, Colibacillosis, Layer-chicken, Oestrogen, Parathormone


 
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How to Cite this Article
Pubmed Style

Adeke JT, HA, Gambo HI, Gadzama JJ, Gurumyen GY, Chabiri LA, Markus TP, SA, Esievo KAN, . Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. J Res Vet Sci. Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307

Web Style

Adeke JT, HA, Gambo HI, Gadzama JJ, Gurumyen GY, Chabiri LA, Markus TP, SA, Esievo KAN, . Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. https://www.wisdomgale.com/jrvs/?mno=302657672 [Access: October 11, 2024]. doi:10.5455/JRVS.20240715090307

AMA (American Medical Association) Style

Adeke JT, HA, Gambo HI, Gadzama JJ, Gurumyen GY, Chabiri LA, Markus TP, SA, Esievo KAN, . Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. J Res Vet Sci. Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307


Vancouver/ICMJE Style

Adeke JT, HA, Gambo HI, Gadzama JJ, Gurumyen GY, Chabiri LA, Markus TP, SA, Esievo KAN, . Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. J Res Vet Sci, [cited October 11, 2024]; Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307


Harvard Style

Adeke, J. T., , H. A., Gambo, H. I., Gadzama, J. J., Gurumyen, G. Y., Chabiri, L. A., Markus, T. P., , S. A., Esievo, K. A. N. & (0) Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. J Res Vet Sci, Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307


Turabian Style

Adeke, Joshua Tersue, Hassan Abdulsalam, Halima Idrisa Gambo, Joseph John Gadzama, George Yilzem Gurumyen, Ladi Amos Chabiri, Talatu Patience Markus, Sani Adamu, King Akpofure Nelson Esievo, and . 0. Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. Journal of Research in Veterinary Sciences, Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307


Chicago Style

Adeke, Joshua Tersue, Hassan Abdulsalam, Halima Idrisa Gambo, Joseph John Gadzama, George Yilzem Gurumyen, Ladi Amos Chabiri, Talatu Patience Markus, Sani Adamu, King Akpofure Nelson Esievo, and . "Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli." Journal of Research in Veterinary Sciences Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307


MLA (The Modern Language Association) Style

Adeke, Joshua Tersue, Hassan Abdulsalam, Halima Idrisa Gambo, Joseph John Gadzama, George Yilzem Gurumyen, Ladi Amos Chabiri, Talatu Patience Markus, Sani Adamu, King Akpofure Nelson Esievo, and . "Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli." Journal of Research in Veterinary Sciences Online First: 07 Oct, 2024. Web. 11 Oct 2024 doi:10.5455/JRVS.20240715090307


APA (American Psychological Association) Style

Adeke, J. T., , H. A., Gambo, H. I., Gadzama, J. J., Gurumyen, G. Y., Chabiri, L. A., Markus, T. P., , S. A., Esievo, K. A. N. & (0) Reproductive endocrine changes in relation to calcium metabolism in layers experimentally infected with Escherichia coli. Journal of Research in Veterinary Sciences, Online First: 07 Oct, 2024. doi:10.5455/JRVS.20240715090307


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