Experimental Model of Coccidiosis Caused by Eimeria Tenella in Broiler Chickens.

Сафиуллин, Р Т; Качанова, Е. О.; Chalysheva, E. I.; Andreyanov, O. N.

doi:10.36380/scil.2019.wvj33

Cited by 3 publications

(4 citation statements)

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“…Recently, few mathematical models have been made in the area of coccidiosis. For example, Kachanova et al [11] conducted an experimental model of coccidiosis by E. tenella in broiler chicken. The findings showed that the infected chicken gained much less weight each day than the noninfected bird.…”

Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of Coccidiosis Dynamics in Chickens with Some Control Strategies

Liana,

Swai

2024

Abstract and Applied Analysis

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Coccidiosis is an infectious disease caused by the Eimeria species. The species can infect a bird’s digestive system, severely slow down its growth, and is a serious economic burden for chickens. A mathematical model for the transmission dynamics of coccidiosis disease in chickens in the presence of control interventions has been formulated and analyzed to gain insights into the dynamics of the disease in the population. Three control interventions, namely vaccination, sanitation, and treatment, are implemented. The study intends to assess the effects of these control interventions in coccidiosis transmission dynamics. Using the theory of differential equations, the invariant set of the model was derived, and the model’s solution was found to be mathematically and biologically significant. Analytical methods are employed to establish equilibrium solutions and investigate the stability of the model system’s equilibria, while numerical simulations illustrate the analytical results. The effective reproduction number is obtained using the next-generation matrix method, and the local stability of the equilibria of the model is established. The disease-free equilibrium is proved to be locally stable when the effective reproduction number is less than unity. Also, the nature of the bifurcation and its implications for disease prevention are investigated through the application of the center manifold theory. On the other hand, sensitivity analysis is carried out to investigate the parameters that impact the transmission of coccidiosis disease using the normalized forward sensitivity index. The parameters that have a greater influence on the effective reproduction number should be targeted for control purposes to lessen the spread of disease. Furthermore, numerical simulation is performed to investigate the contribution of each control intervention.

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Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of Coccidiosis Dynamics in Chickens with Some Control Strategies

Liana,

Swai

2024

Abstract and Applied Analysis

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“…Currently, in the conditions of the development of the industry on an industrial basis, when a large number of birds are kept in a limited area, there is a high risk of eimeriosis, cryptosporidiosis, histomonosis and other parasitic diseases [1,2,[5][6][7][8][9][10][11][12][13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

“…Meronts of the second generation (10)(11) are formed from merozoites, which destroy intestinal epithelial cells (12) and in large quantities, merozoites of the second generation (13) enter the intestinal lumen and subsequently are introduced into intestinal epithelial cells (14), where microgamonts (15) and macrogamonts (15a) are formed. Microgametes (16) and macrogametes (16a) are formed from micro-and macrogamonts. The formed microgametes (17) and macrogametes (17a) destroy intestinal epithelial cells and exit in large numbers into the intestinal lumen, where microgametes and macrogametes (18) merge to form a zygote (19).…”

Section: Introductionmentioning

confidence: 99%

Protozoal infections of young turkeys in the conditions of industrial farms

Safiullin,

Arisov,

Chalysheva

2023

BIO Web Conf.

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The article presents the results of monitoring of parasitic protozoa of young turkeys in industrial-type farms of the Central region of Russia. Fecal samples, scrapings from the floor and passages, and the contents of the gastrointestinal tract during slaughter were systematically examined in birds of different ages. The age and seasonal dynamics of their infection with eimeria, as well as contamination of environmental objects by protozoan oocysts, were established. At the same time, the following species were identified in turkeys: Eimeria meleagrimitis (80%), E. meleagridis (15%), E. adenoids (5%). The prevalence in males of 35-49 days old, and in females of 35-49-63 days old was the maximum and amounted to 30–45 and 5–30%, respectively. The obtained results should be used in the organization of therapeutic and preventive measures against parasitic protozoa of young turkeys.

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“…Заражаются цыплята алиментарным путем после проглатывания с кормом и водой спорулированных ооцист кокцидий[1,2].Для профилактики и лечения кокцидиозов птиц используется большое количество лекарственных средств, назначаемых для угнетения жизнедеятельности или уничтожения эндогенных стадий кокцидий. Главную роль в развитии промышленного птицеводства сыграла химиопрофилактика кокцидиозов бройлеров, которая заключается в использовании фармакологических антикокцидийных препаратов[3][4][5]. В числе синтезированных за последние 30 лет новых антикокцидийных препаратов следует отметить диклазурил, который в химическом отношении является производным бензенацетонитрила.…”

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Comparative Efficacy of Different Diclazuril Dosage Forms Against Spontaneous Coccidiosis In Broiler Chickens

Safiullin,

Chalysheva,

Tashbulatov

2024

Theory and Practice of Parasitic Disease Control

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Our research conducted in previous years has shown that coccidiosis of floor management broiler chickens is widespread on commercial poultry farms in Russia. Many remedies have been proposed to control the infection, among which Diclazuril should be noted. The research objective was to test the efficacy of different doses of Diclazuril and the prescribing scheme of the drug with feed and drinking water against spontaneous coccidiosis in broiler chickens. For the test, 500 floor management chickens were selected among those spontaneously infected with coccidia and divided into 5 similar groups. Group 1 chickens were prescribed 2.5% Diclazuril with drinking water in a dosage form of 2 mL per 1 L of water, without interruption, for 48 hours. Group 3 chickens received 30% Amprolium at a dose of 0.4 g per 1 L of water for 48 hours. The indicated Diclazuril and Amprolium doses were prescribed to the chickens of groups 1 and 3 in three stages: at 9–10, 16–17 and 24–25 days of age. Diclazuril and Amprolium were administered to the chickens of the second and fourth groups with feed at 10 to 38 days of age. The chickens of group 5 did not receive drugs and served as infected controls. The efficacy of different Diclazuril doses compared with the base drug Amprolium was determined by the results of coproscopic examinations of the chickens at the age of 30 days. The results obtained in testing different diclazuril dosage forms showed that the best intense-effectiveness was observed in the prescribed dose of 2 mL per 1 L of drinking water for 48 hours according to the said scheme and it was 94.1%. The recommended dose of Amprolium provided 84.9% intense-effectiveness against coccidiosis in broiler chickens.

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Experimental Model of Coccidiosis Caused by Eimeria Tenella in Broiler Chickens.

Cited by 3 publications

References 0 publications

Mathematical Modeling of Coccidiosis Dynamics in Chickens with Some Control Strategies

Mathematical Modeling of Coccidiosis Dynamics in Chickens with Some Control Strategies

Protozoal infections of young turkeys in the conditions of industrial farms

Comparative Efficacy of Different Diclazuril Dosage Forms Against Spontaneous Coccidiosis In Broiler Chickens

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