Effect of bacilli as feed additive on immune response of pregnant she-camel and its newborn calf; [Efecto de los Bacilli como aditivo alimenticio en la respuesta inmune de la camella y de su guelfo recién nacido]

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Mohie El-Dinn M.M.; Abdel-Aal E.S.; Eid L.N.; Farid A.A.; Aly I.R.; El-Deeb S.O.

Journal: Archivos de Zootecnia

Publisher: UCOPress. Cordoba University Press (UCOPress Editorial Universidad de Córdoba)

Publication Date: 15 April 2018

Volume / Issue: Volume 67 / Issue 258

Pages: 270–277

ISSN: 40592

DOI: 10.21071/az.v67i258.3663

Scopus: View on Scopus

Document Type: Article

Access: All Open Access; Gold Open Access

Authors and Affiliations

Mohie El-Dinn M.M., Department of Zoology, Faculty of Science, Cairo University, Egypt, Animal Production Research Institute, Agricultural Research Center, Egypt; Abdel-Aal E.S., Animal Production Research Institute, Agricultural Research Center, Egypt; Eid L.N., Animal Production Research Institute, Agricultural Research Center, Egypt; Farid A.A., Department of Zoology, Faculty of Science, Cairo University, Egypt; Aly I.R., Theodore Bilharz Research Institute, Egypt; El-Deeb S.O., Department of Zoology, Faculty of Science, Cairo University, Egypt

Abstract

Pregnancy in dromedary camel is associated with down-regulation of immune responses that may lead to susceptibility to viral and bacterial infections so it is expected that feeding probiotics may help in strengthening pregnant dams’ immunity. This study aimed to evaluate the impact of Bacilli mixture on the immunity of pregnant dams and their newborn calves’ peri-parturation. A total of 10 dams at late gestation to one-month post calving were divided into two equal groups: G1 (control) was fed the basal diet while G2 was fed diet supplemented with a mixture of [Bacillus subtilus - Bacillus licheniformis] (Enhancer1.3, 10g/head/day). Dams’, calves’ plasma and milk were collected at certain durations. Results revealed a significant increase in dams; IgG levels of G2 compared to G1 at one month pre calving, one week and one month post calving. Milk IgG levels showed significant increase in G2 at one week post-calving as well. Calves’ IgG levels showed significant increases in G2 at all durations. IgA in dams and calves didn’t show significant change at all. Milk IgA levels showed increases in G2 more than G1 at calving and one week post calving. IFN-γ level in dams’ plasma showed significant increase in G2 more than G1 at calving and at one week while in milk, levels showed significant increase in G2 only at one week post calving and in calves, levels were higher in G2 at one week and one month after birth. In conclusion, Bacilli mixture-based feed additive to the feed of pregnant dromedary she-camels improved some immunological parameters of them and their newborn calves. © 2018, UCOPress. Cordoba University Press (UCOPress Editorial Universidad de Córdoba). All rights reserved.

Keywords

Bacilli species; Dromedary she-camel; IFN-γ; IgA; IgG; Newborn calves

Citation Information

Scopus Citations: 3

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