Essential Oils as a Feed Additive in Poultry Nutrition

Gopi, M.

doi:10.14737/journal.aavs/2014.2.1.1.7

Cited by 87 publications

(79 citation statements)

References 57 publications

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“…Research attention needs to be focused on regarding utilization of novel and upcoming therapeutic regimens like herbal therapy, essential oils, cytokines, RNAi technology, avian egg antibodies, nanomedicine, nutritional immunomodulation and probiotics to curtail DEV (Dhama et al 2011;Dhama, Chakraborty, et al 2013;Sudhakar et al 2013;Gopi et al 2014;Dhama, Latheef, et al 2015).…”

Section: Antiviral Agents/therapiesmentioning

confidence: 99%

Duck virus enteritis (duck plague) – a comprehensive update

Dhama

Kumar

Saminathan

et al. 2017

Veterinary Quarterly

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Duck virus enteritis (DVE), also called duck plague, is one of the major contagious and fatal diseases of ducks, geese and swan. It is caused by duck enteritis virus (DEV)/Anatid herpesvirus-1 of the genus Mardivirus, family Herpesviridae, and subfamily Alpha-herpesvirinae. Of note, DVE has worldwide distribution, wherein migratory waterfowl plays a crucial role in its transmission within and between continents. Furthermore, horizontal and/ or vertical transmission plays a significant role in disease spread through oral-fecal discharges. Either of sexes from varying age groups of ducks is vulnerable to DVE. The disease is characterized by sudden death, vascular damage and subsequent internal hemorrhage, lesions in lymphoid organs, digestive mucosal eruptions, severe diarrhea and degenerative lesions in parenchymatous organs. Huge economic losses are connected with acute nature of the disease, increased morbidity and mortality (5%-100%), condemnations of carcasses, decreased egg production and hatchability. Although clinical manifestations and histopathology can provide preliminary diagnosis, the confirmatory diagnosis involves virus isolation and detection using serological and molecular tests. For prophylaxis, both live-attenuated and killed vaccines are being used in broiler and breeder ducks above 2 weeks of age. Since DEV is capable of becoming latent as well as shed intermittently, recombinant subunit and DNA vaccines either alone or in combination (polyvalent) are being targeted for its benign prevention. This review describes DEV, epidemiology, transmission, the disease (DVE), pathogenesis, and advances in diagnosis, vaccination and antiviral agents/therapies along with appropriate prevention and control strategies.

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Section: Antiviral Agents/therapiesmentioning

confidence: 99%

Duck virus enteritis (duck plague) – a comprehensive update

Dhama

Kumar

Saminathan

et al. 2017

Veterinary Quarterly

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“…Several benefits of phytobiotics have been elucidated in past (Lee et al, 2004;Windisch et al, 2008;Salim, 2011;Gopi et al, 2014b;Dhama et al, 2014b;Karangiya et al, 2016) and summarized as below:…”

Section: Antimicrobials Of Plant Origin / Phytobioticsmentioning

confidence: 99%

Exploring alternatives to antibiotics as health promoting agents in poultry- a review

Yadav¹,

Kolluri²,

Gopi³

et al. 2016

JEBAS

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Poultry industry has undergone rapid growth during last three decades. For which even higher usage of antibiotics, both as growth promoters as well as therapeutic agents, has been adopted. However, due to the fear of resistance development in bacterial populations to antibiotics, presence of antibiotic residues in poultry products and increasing consumer demand for products free from antibiotic residues, search for alternatives that could replace antibiotics without causing loss to productivity or product quality has accelerated. Such alternatives in poultry include the use of organic acids, probiotic microorganisms, prebiotic substrates that benefit proliferation of beneficial bacterial populations or synbiotic (combinations of prebiotics and probiotics) ensuring better production and maintaining health of the birds. Others include vitamins and minerals, herbal drugs, plant extracts, phytobiotics and antimicrobial peptides. Probiotic organisms provides competition to pathogenic organisms for intestinal colonizing sites, reduce the diversion of nutrients for harmful microbes and the toxins produced by them and stimulates the immune systems. Similarly, prebiotic offers an alternative, as it alters the intestinal microbes and immune system to reduce colonization by pathogens and allows proliferation of beneficial microflora in the gut. Even using synbiotic is a better strategy for enhancing poultry production, however, more research is needed for selection of probiotic, prebiotics or synbiotics either alone or in combination that can result in the selection of strains capable of performing effectively in the gastrointestinal tract. The contents of this review will be useful for researchers to enrich their knowledge on alternatives of antibiotics in poultry birds without compromising performance of birds and bird welfare.

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“…Experimental study with herbs like Stevia rebaudiana, Alpinia katsumadai, Citrus aurantium, soy isoflavones, Achillea kellalensis Boiss and black tea revealed in vitro activity against human RV and found to be effective to prevent infection with minimal toxicity (Andres et al 2007;Kim et al 2012). Various essential oils are being used as antimicrobial agents (Li et al 2013;Gopi et al 2014;Giannenas et al 2014). Recently, bio engineered probiotics are also being studied for their efficacy to prevent rotaviral and other enteric diseases.…”

Section: Herbs and Essential Oils As Antiviral Agentsmentioning

confidence: 99%