Prevalence and risk factors of Eimeria spp. natural infection in sheep from northern Paraná, Brazil

Carneiro, Priscilla Gomes; Sasse, João Pedro; Silva, Ana Clécia dos Santos; Seixas, Mércia de; Paschoal, Aline Ticiani Pereira; Minutti, Ana Flávia; Martins, Thais Agostinho; Cardim, Sérgio Tosi; Rodrigues, Fernando de Souza; Barros, Luiz Daniel de; Garcia, João Luís

doi:10.1590/s1984-29612022004

Cited by 2 publications

(1 citation statement)

References 26 publications

(39 reference statements)

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“…In this study, lambs were 3.5 times more likely to be infected by coccidian parasites than adult sheep, indicating that age is one of the main factors influencing the occurrence of protozoasis in these ruminants (p = 0.037). In accordance with the result of the present study, other surveys conducted in Brazil, Ethiopia, Iran, and Nigeria have also reported a significantly higher prevalence of coccidiosis in lambs compared to adult sheep (p < 0.05) [70][71][72][73]. The high susceptibility of young animals is related to immunological aspects, with adults acquiring specific immunity against protozoa after initial exposure [74].…”

Section: Discussionsupporting

confidence: 91%

Gastrointestinal Parasites of Domestic Mammalian Hosts in Southeastern Iran

Hatam-Nahavandi

Carmena

Rezaeian

et al. 2023

Veterinary Sciences

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Gastrointestinal parasites (GIP) are a major cause of disease and production loss in livestock. Some have zoonotic potential, so production animals can be a source of human infections. We describe the prevalence of GIP in domestic mammals in Southeastern Iran. Fresh fecal samples (n = 200) collected from cattle (n = 88), sheep (n = 50), goats (n = 23), camels (n = 30), donkeys (n = 5), horse (n = 1), and dogs (n = 3) were subjected to conventional coprological examination for the detection of protozoan (oo)cysts and helminth ova. Overall, 83% (166/200) of the samples were positive for one or more GIP. Helminths were found in dogs, donkeys, sheep (42%), camels (37%), goats (30%), and cattle (19%), but not in the horse. Protozoa were found in cattle (82%), goats (78%), sheep (60%), and camels (13%), but not in donkeys, dogs, or the horse. Lambs were 3.5 times more likely to be infected by protozoa than sheep (OR = 3.5, 95% CI: 1.05–11.66), whereas sheep were at higher odds of being infected by helminths than lambs (OR = 4.09, 95% CI: 1.06–16.59). This is the first study assessing the prevalence of GIP in domestic mammals in Southeastern Iran.

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Section: Discussionsupporting

confidence: 91%

Gastrointestinal Parasites of Domestic Mammalian Hosts in Southeastern Iran

Hatam-Nahavandi

Carmena

Rezaeian

et al. 2023

Veterinary Sciences

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Hematological and biochemical indicators of lambs’ blood after the use of chemotherapeutic agents for spontaneous eimeriosis

Filipenko,

Soroka

2023

Regul. Mech. Biosyst.

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Eimeria infection is one of the protozoal diseases of animals caused by various species of Eimeria and causes reduced productivity and raised mortality in ruminants, especially in young ones. To study the effect of anti-emeriosis drugs on the morphological and biochemical parameters of lambs’ blood infected with Eimeria, 3 groups of Romanov breed animals, two months old, affected by the Eimeria pathogen were formed. The first group of animals was treated with a drug containing the active ingredient decoquinate; the second group of animals with a drug containing the active ingredient toltrazuril; the third group of lambs were given a combined drug containing 80 mg of norsulfazole, 70 mg of sulgin, 30 mg of trimethoprim, 45 mg of oxytetracycline hydrochloride and 25 mg of tylosin tartrate per 1 g); the fourth group of lambs was the control group, the animals were free from the Eimeria pathogen and were kept separately. The blood of the animals was analysed on days 7 and 14 of treatment. In the blood of the experimental lambs, an increase in the number of red blood cells, neutrophils, lymphocytes, and monocytes was noted. There was also a decrease in the total number of leukocytes, eosinophils, young and segmented neutrophils. According to the results of the treatment, there was an increase in the content of total, albumin, hemoglobin and glucose, as well as the activity of gamma-glutamate transferase. At the same time, there was a decrease in the content of globulins and the activity of aspartate aminotransferase and alanine aminotransferase compared to the biochemical parameters of healthy lamb blood serum of the control group. According to treatment results, the restoration of sick lambs’ blood parameters to those of healthy animals was noted; however, the most stable effect was using the combined drug.

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Prevalence and risk factors of Eimeria spp. natural infection in sheep from northern Paraná, Brazil

Cited by 2 publications

References 26 publications

Gastrointestinal Parasites of Domestic Mammalian Hosts in Southeastern Iran

Gastrointestinal Parasites of Domestic Mammalian Hosts in Southeastern Iran

Hematological and biochemical indicators of lambs’ blood after the use of chemotherapeutic agents for spontaneous eimeriosis

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