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. 2024 Jan;10(1):e1325.
doi: 10.1002/vms3.1325. Epub 2023 Nov 27.

Gastrointestinal parasitosis in cattle: Unveiling the landscape across diverse production systems in Bangladesh

Md Abu Sayeed  1 , Lauren Ungar  2 , Yeasin Haider Chowdhury  3 , Md Saiful Bari  3 , Md Mizanur Rahman  3 , M Sawkat Anwer  2 , Md Ahasanul Hoque  3
Affiliations

Gastrointestinal parasitosis in cattle: Unveiling the landscape across diverse production systems in Bangladesh

Md Abu Sayeed et al. Vet Med Sci. 2024 Jan.

Abstract

Background: Factors influencing parasitosis in cattle in Bangladesh remain inadequately explored, necessitating a comprehensive investigation for interventions and sustainable livestock farming.

Objectives: We conducted this study to estimate the prevalence and distribution of gastrointestinal parasites, exploring their intricate relationship with farm management practices across a spectrum of small-, medium-, and large-scale commercial farms.

Methods: We conducted this study in the Chattogram district of Bangladesh. We collected a total of 189 freshly voided faecal samples from different farms. We recorded the age, breed, milking status, sex, body condition score, and anthelmintic use history of the sampled animals. We processed the samples using the direct smear method, with the identification of one egg per sample being considered positive.

Results: We estimated the prevalence of gastrointestinal parasite infection in large-scale (52.1%), medium-scale (54.5%), and small-scale farms (70.0%), with statistically significant differences (p ≤ 0.05). Both pregnant and lactating cows, as well as indigenous cattle, were more likely to have gastrointestinal parasites (p ≤ 0.05). The predominant parasites across farms of all sizes were trematodes (Paramphistomum spp. and Schistosomas spp.) and protozoa (Balantidium coli and Coccidia spp.).

Conclusion: Poor farm management practices, such as no pasture management and inadequate deworming regimens, may contribute to the elevated prevalence and infection load observed on small-scale farms. The increased parasitosis in previously dewormed animals can be attributed to the development of anthelmintic resistance against gastrointestinal parasites. Implementing proper and effective deworming strategies is crucial to preventing gastrointestinal parasitosis and mitigating the risk of anthelmintic resistance.

Keywords: commercial farm; gastrointestinal; parasitosis; prevalence; resistance.

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Conflict of interest statement

The authors declare no conflicts of interest.

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