Seasonal variations of haematological profile in camels slaughtered in the municipal slaughterhouse of Casablanca in Morocco

Farh Mohamed, Riad F., Tahri El Hassan, Faye Bernard, El Khasmi Mohammed. 2018. Seasonal variations of haematological profile in camels slaughtered in the municipal slaughterhouse of Casablanca in Morocco. In : Recent advances in camelids biology, health and production : Proceedings of the 5th conference ISOCARD 2018. Sghiri Abdelmalek (ed.), Kichou Faouzi (ed.). Laâyoune : ISOCARD, Résumé, 561. ISBN 978-9920-36-565-9 Conference of the international society of camelid research and development ISOCARD 2018. 5, Laâyoune, Maroc, 12 Novembre 2018/15 Novembre 2018.

Résumé : In the camel, the haemogram is considered as a mirror for several metabolic processes of the body and reflect the status of the functioning organs and health status, hence production and reproduction. In this species, several factors (sex, breed, physiologic status, nutrition, age, genetics, stress, disease, management system, location and season) are known to affect haematological values. In addition, changes in haematological parameters are often used to determine stress due to environmental, nutritional and/or pathological factors. In the camel, haematological blood tests including erythrocyte, leukocyte and thrombocyte counts, as well as hemoglobin content, hematocrit value and red blood cells (RBCs) parameters, are primarily aimed to monitor the health status and to detect possible diseases. The study was carried out to investigate the effects of season on some haematological factors such as haematocrit, blood cells count, neutrophil to lymphocyte ratio (NLR) and haemolysis, in 3 groups (I, II and Ill) of 7 one humped camels. These groups were slaughtered in Casablanca slaughterhouse respectively in winter (February), spring (April) and summer (June) seasons. Blood samples were collected from each camel at 07 a.m by venipuncture from the left jugularvein.By comparison to summer, leukocytes count, neutrophils percentage, NLR and haemolysis were significantly (P<0.05) higher in winter season than those analyzed in summer one. However, erythrocyte count and lymphocyte percentage were significantly (P<0.05) lower in winter by comparison with summer. Taken together, our results may suggest that during winter season, the camels slaughtered in municipal slaughterhouse of Casablanca were submitted at least to two stressful factors: the cold and the rut period.

Auteurs et affiliations

• Farh Mohamed, Université Hassan II de Casablanca (MAR)
• Riad F., Université Hassan II de Casablanca (MAR)
• Tahri El Hassan, Université Hassan II de Casablanca (MAR)
• Faye Bernard, CIRAD-ES-UMR SELMET (FRA)
• El Khasmi Mohammed, Université Hassan II de Casablanca (MAR)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/589933/)

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