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Coccidiosis in poultry
Coccidiosis is a protozoal disease causing diarrhea, ,weight loss and decreased production in poultry. It can be fatal. Prevention is key and is achieved with use of anticoccidials or vaccination. Diagnosis is by fecal flotation to detect oocysts, often in combination with characteristic necropsy findings. Coccidiosis is caused by protozoa of the phylum Apicomplexa, family Eimeriidae. Most species affecting poultry belong to the genus Eimeria and infect various intestinal sites. The disease course is rapid (4–7 days) and is characterized by parasite replication in host cells with extensive damage to intestinal mucosa. Coccidia in poultry are generally host-specific, and the different species infect specific portions of the intestine. However, in game birds, including quail, the coccidia may infect the entire intestinal tract. In poultry, game birds reared in captivity, and wild birds, coccidiosis occurs worldwide.
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Amine Benarbia (NOR-FEED) Eimeria spp. completes its life cycle within the host’s gastrointestinal tract. its reproduction has been known to damage enterocytes, leading to decreased growth performance and welfare in chickens. Controlling the reproduction cycle and limiting oocyst excretion could explain the observed efficacy of steroidal saponin-based standardized premixture -Norponin XO- (NPXO) supplementation in chicken. The objective of this...
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Dr. Sachin Patil, DGM - Key Clients at Huvepharma, discusses strategies to prevent coccidiosis in poultry through coccidiostats and innovative vaccines. He highlights Huvepharma’s latest solutions, including hatchery-level vaccines, to boost gut health and performance in broilers, layers, and breeders....
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Dr. Pradip Doiphode, Technical Services Manager at HIPRA, discusses the impact of subclinical coccidiosis on poultry performance in India. He highlights the success of HIPRA’s vaccines, in improving gut health and supporting antibiotic-free chicken production. These solutions are helping India’s poultry sector enhance performance and meet market demands....
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1. Introduction Avian coccidiosis, caused by Eimeria spp., is one of the vulnerable enteric diseases and is endemic in vast areas of the tropical and subtropical regions [1]. It reduces growth performance affecting chicken meat production and accounts for about 30% of the total expenses on medications and other pharmacological products used to control poultry diseases [2]. Out of seven recognized species, E. acervulina, E. necatrix , and E. tenella cause...
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Coccidiosis is a widespread parasitic disease that can seriously harm the livestock industry, especially affecting poultry and swine. This disease causes inflammation of the intestines, slower growth rates, and in severe cases, high mortality. In this article, we will discuss the causes, symptoms, and treatment options for...
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1. Introduction Coccidiosis is a parasitic disease caused by an apicomplexan parasite of the genus Eimeria, which infects different parts of the intestinal tract depending on the species of Eimeria [1]. Eimeria spp. invade intestinal cells and cause physical damage to the intestinal epithelium, producing hemorrhagic diarrhea and disrupting the normal functioning of the intestinal tract [2]. This leads to impaired nutrient absorption and compromised gut health [3]. On the other hand,...
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1. Introduction Coccidiosis, caused by the protozoan parasite of the genus Eimeria, remains a significant threat to poultry health worldwide, leading to substantial economic losses [1]. The infection of coccidia presents multifaceted challenges to broiler health and productivity. Numerous studies have highlighted its detrimental effects on nutrient utilization, intestinal integrity, and the growth performance of birds [2–5]. On the other hand, previous research has also...
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Hector Salgado (Jefo Nutrition) presents his poster on alternatives to traditional anticoccidials, during the Symposium on Gut Health in St. Louis, USA....
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40 Years of Success in China with Hy-Line (Mandarin-language video)
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1. Introduction Coccidiosis is a significant poultry disease caused by single-celled protozoa of the genus Eimeria, including Eimeria acervulina, Eimeria brunetti, Eimeria maxima, Eimeria mitis, Eimeria necatrix, Eimeria praecox, Eimeria tenella, Eimeria lata, Eimeria nagambie, and Eimeria zaria, which are known to be the species responsible for coccidiosis in chickens (Gallus gallus domesticus) [1,2]. Among them, E. tenella and E. necatrix are recognized to be the most...
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Introduction Coccidiosis is a parasitic infection caused by Eimeria spp and persistently affecting broiler chicken, causing high morbidity, impaired growth, and mortality [1]. Unlike many other protozoan parasites, Eimeria spp exclusively invades the intestinal epithelium showing high tissue specificity [2]. Eimeria (E.) maxima is characterized by producing the largest oocysts and male gamonts among the other species infecting chicken [3]. E. maxima particularly infects chickens at...
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Dietary alfalfa may improve broiler growth, but fiber inclusion may be detrimental during coccidiosis challenge.
Alfalfa is a source of health-promoting bioactive compounds (phytochemicals) that may offer several benefits to the poultry industry by direct action or by influencing the microbial communities in chickens.
Iowa State University researchers recently examined the role late-cutting alfalfa — either as ground hay or a lipid-soluble extract — may have on...
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Enzymes have shown promising effects on performance and intestinal health in broilers (Toghyani et al., 2022). However, the dosage effect of enzymes and combination of different enzymes have not been extensively evaluated under the coccidial vaccine challenge condition. Therefore, a feeding study was conducted to examine the effect of dosage of xylanase+glucanase and the effect of its combination with a high level of phytase on growth performance, health, and welfare of broilers under a mild...
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Enhancing Egg Production: Key Factors Influencing Chicken Health and Yield
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Necrotic enteritis (NE) is often induced in broilers after getting infected with coccidiosis. However, not all sources of Eimeria, as a causative agent of coccidiosis, can successfully induce NE. This study was conducted to assess whether different doses of Eimeria combinations predispose broiler chickens to NE, compared with the NE challenge model used at UNE. A total of 768 d-old Cobb 500 broiler chicks were assigned to 48 floor pens each stocked with 16 birds replicated 6 times per...
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Coccidiosis is a disease with substantial economic impact (Muthamilselvan et al., 2016), particularly due to the push to ban anticoccidials. Vaccines are available but can be expensive, and are often implemented for free range and breeder flocks only. Thus, it is imperative to find effective nutritional alternatives to reduce the impact of coccidiosis on broiler chickens. The aim of this experiment was to determine if the nutritional strategies of post-pellet whole wheat (WW),...
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Greg Mathis (Southern Poultry Feed & Research) comments on how some companies have gone back to ionophores, while there is still a broad spectrum of options in the industry, in this Engormix interview during IPPE 2024 in Atlanta, USA....
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Deependra Paneru (University of Georgia) speaks on how mycotoxins in the feed impact growth performance and impair the recovery of the pullets infected with coccidiosis, in this Engormix interview during IPPE 2024 in Atlanta, USA....
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Deependra Paneru (University of Georgia) An experiment was conducted to investigate the effects of subclinical mycotoxin exposure on the growth performance and immune cell dynamics in pullets exposed to coccidiosis. Using a 2x2 factorial design, a total of 288 four-week-old Hy-Line W36 pullets were randomly allocated to four treatment groups, each containing six replicated cages with 12 birds. The experimental groups were exposed to either...
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Vijay Durairaj (Huvepharma) Turkey coccidiosis is caused by Eimeria species. Seven Eimeria species are recognized in turkeys of which three are considered highly pathogenic and predominant. Objective: The objective of this presentation is to provide an overview of the pathological lesions of turkey coccidiosis for field vets, techs, supervisors, and turkey growers. Application of advanced molecular diagnostic tools, such as PCR and...
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Vijay Durairaj (Huvepharma) provides an overview of the pathological lesions of turkey coccidiosis, and comments on the application of advanced molecular diagnostic tools, such as PCR and sequencing, in this interview during IPPE 2024 in Atlanta, USA....
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