Abstract
Pakistani Marecha dromedaries, a distinctive breed not covered in the empirical data of the literature reviewed existing for thyroidal physiology in camels, are subjected to investigate thyroid function in pregnant multiparous (n = 22) and non-pregnant nor lactating (n = 22) females. The function of the thyroid gland in pubescent she-camels has evoked discrepancies among researchers exploring this topic in different breeds evolving in divergent environments. Despite season, age, sex, reproductive status, health disorders, and stress are reported as potential modulating factors, these research studies failed to find statistically significant results supporting their hypothesis. For the current research, serum samples were obtained twice a week during one month from semi-intensive-kept Marecha she-camels and analyzed for triiodothyronine (T3) and thyroxine (T4) concentrations. Feed ingredients and additives were quality assessed to examine their nutrient profile, with special attention to protein content and exogenous calcium administration. Statistical differences in serum thyroid hormone levels were found between gravid and non-gravid females, being pregnant she-camels the subgroup with higher levels (P < 0.05). The genetic background of such phenotypic variability in thyroid metabolism in camels has to be further addressed to adapt husbandry practices for breed-specific requirements. Meanwhile, local management strategies are susceptible of accurate routines for sustainable farming.
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We would like to thank CBRS “Rakh Mahni” for their cooperation and technical support.
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The present research has been possible with the financial support from the Higher Education Commission of Islamabad, Pakistan.
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All authors contributed equally to the research objectives’ fulfillment and data presentation. Asim Faraz designed the protocols and conducted field research; Abdul Waheed supervised the field works and laboratory analysis; Muhammad Shahid Nabeel gave technical and practical support when conducting field research; Ayman Balla Mustafa and Nasir Ali Tauqir helped with laboratory analysis; Annamaria Passantino helped in writing the whole article; and Carlos Iglesias Pastrana was in charge of statistical data analysis, writing the whole article, and thorough proofreading of the paper before submission.
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Faraz, A., Iglesias Pastrana, C., Passantino, A. et al. Pregnancy status and thyroid function in semi-intensive-kept Marecha she-camels (Camelus dromedarius): managerial implications. Trop Anim Health Prod 52, 3387–3393 (2020). https://doi.org/10.1007/s11250-020-02371-x
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DOI: https://doi.org/10.1007/s11250-020-02371-x