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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.
Coccidiosis is a disease of the intestinal lining, produced by the invasion of the mucosal cells by a very prolific protozoan parasite of the genus Eimeria. This invasion results not only in the interruption of feeding and digestive processes involved in nutrient absorption but can also cause intestinal inflammation leading to dehydration, blood loss, loss of skin pigmentation, and increased susceptibility to secondary bacterial infections like necrotic enteritis and...
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Samuel Rochell (University of Arkansas) explained the results of his research on coccidiosis vaccination and its impact on nutrient digestibility, during IPPE 2018 in Atlanta, USA....
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Components of Gut Health The intestine is a complex organ that comprises regions with distinct structural and physiological functions specialized in digestion and nutrient absorption. Simultaneously, the gut represents the primary contact site with foreign antigens and pathogens that can enter, reside and disseminate to the internal organs. For this reason, the gut harbors the majority of immune cells, referred to as gut-associated lymphoid tissues, when compared to other tissues....
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How strategy for Coccidiosis control in broiler breeders is different from that in broilers
It is important to point out that the objectives for managing coccidia in the breeder pullets are substantially different from the objectives used in rearing broilers. In broilers, primary consideration must be given to maximizing bird performance, which is the key measurement. With the breeder pullet, however, the...
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Amine Benarbia (NOR-FEED) explains the benefits of using saponin supplementation in combination with vaccines, in this interview during IPPE 2023 in Atlanta, USA....
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Dr Jaiguru Kadam, Technical Manager at Vinayak Ingredients, talks about the importance of natural products for poultry nutrition....
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Vaccination against coccidiosis is on the rise. It is supported by a growing societal demand for antibiotic-free meat products. However, vaccination may be accompanied by some adverse effects, such as a negative impact on growth and/or the development of necrotic enteritis. Moreover, during the time of the establishment of immunity, the birds are only moderately protected. In this study, we investigated different strategies of associating cocci vaccination and a mixture of saponin plants...
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The objective of this study was to evaluate the impact of an Eastman monoglyceride blend on broiler performance under a 25-day necrotic enteritis challenge model in battery cages. A total of 320 one-day old male Cobb broilers were obtained from a local hatchery and randomly distributed into 4 groups with 10 chicks per cage and 8 replicates per treatment: (1) non-challenged control (NCC); (2) challenged control (CC); (3) challenged control + 500 mg/kg monoglyceride blend (low-dose); (4)...
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Danielle Graham (University of Arkansas) comments on the tests of a monoglyceride blend and its benefits under a necrotic enteritis challenge, in this interview during IPPE 2023 in Atlanta, USA....
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Vijay Durairaj (Huvepharma) explains the severity of this disease, and comments on diagnosis and prevention best practices, in this interview during IPPE 2023 in Atlanta, USA....
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Introduction Coccidiosis is the most common parasitic disease caused by Eimeria spp., leading to over $14 billion economic loss worldwide annually (Blake et al., 2020). The most prevalent Eimeria spp. in poultry include E. tenella, E. maxima, E. acervulina, E. brunetti, E. necatrix, E. praecox, and E. mitis and have different level of pathogenicity and specific infection sites in the intestine (Cervantes et al., 2020). Eimeria spp. invade intestinal epithelial tissues and induce...
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by Sam Shafer
New research shows the power of vaccination plus feed additives for birds facing intestinal parasites
Necrotic enteritis (NE) can strike young birds seemingly out of nowhere. The disease, which is driven by bacteria and marked by lesions in the gastrointestinal tract, can lead to massive flock mortality.
Poultry scientists have found that flocks can be predisposed to NE when they are...
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1 INTRODUCTION Vaccination against coccidiosis in broilers has become an increasingly important part of a global prevention strategy against the disease. Not only it is an effective treatment against the clinical disease, but it also represents a clear improvement in zootechnical results when vaccines are rotated with classic anticoccidial programmes. There are several studies in HIPRA’s Area Coccidia that show and explain these improvements. ...
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Coccidiosis is an important health problem in broilers, caused by infection with a highly contagious intestinal parasite of the genus Eimeria. Anti-coccidial drugs are widely used for the prevention of coccidiosis in broilers. However, multi-resistance coccidia is a potential threat to poultry production. Solid-state fermented products produced from B. licheniformis not only contain B. licheniformis spores but also have B. licheniformis derived...
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Sebastian Decap (Plantae Labs) comments on restrictions and alternatives to control Coccidiosis, during the Symposium on Gut Health in St. Louis, USA....
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Federico Ghiselli (University of Bologna) discusses his research on a blend of thymol, carvacrol, and saponins, as well as alternatives to anticoccidials, during the Symposium on Gut Health in St. Louis, USA....
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I. INTRODUCTION Anticoccidials remain an essential tool in the prevention and control of coccidiosis, which is still one of the most important diseases contributing to gut health disorders. Many anticoccidials have been available for use for considerable periods of time. Monimax® (nicarbazin/monensin) is a novel coccidiostat for coccidiosis control in broilers. II. METHOD The efficacy of nicarbazin/monensin (Monimax® supplied by...
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INTRODUCTION Avian coccidiosis is caused by protozoa of genus Eimeria, which belongs to family Eimeriidae and has multiple species with complex life cycle stages (Abbas et al., 2015, 2019; Khater et al., 2020). Eimeria species mostly affect bird intestines and cause bloody diarrhea, poor feed conversion ratios, and high mortality. Among all Eimeria species, E. tenella and E. necatrix are the most pathogenic, causing high mortality in chickens. Naturally, coccidian oocysts are...
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