Steve Leeson
Health, welfare, nutrition, productivity, food safety, environment - those are key words for the Poultry Health Research Network (PHRN). Established in 2012, we are a network of poultry researchers and poultry health specialists who address a wide range of issues - from basic biology, to environmen...
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Article published the September 7, 2021
1. Introduction Under normal circumstances, excessive free radicals are scavenged by body enzymatic and non-enzymatic antioxidants, but oxidative stress can occur when the amount of oxidant production surpasses the capacity of the body’s antioxidant system [1,2]. Different aspects of avian productive and reproductive performances, such as egg production rate and egg quality traits, as well ...
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Article published the June 28, 2020
DIMA WHITE, STEVE LEESON and WOO KYUN KIM* report that a herbal feed supplement, consisting of natural and organic choline in conjugated form (phosphatidyl choline) along with certain phospholipids can successfully and economically replace choline chloride at lower inclusion levels and provide additional beneficial effects in poultry. Functions and metabolism of choline Choline, a water-solu ...
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News published on May 26, 2020
Beyond the ordinary... Knowledge is power. Knowing how to apply this knowledge is even more empowering and liberating. We, at Indian Herbs, felt that knowledge sharing is more true today than ever. Indian Herbs, the pioneer & global leader in phytogenics, proudly brings to you ‘Masterclass with a living legend’. It is not just a webinar series, it is ‘masterclass’ wit ...
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Article published the July 27, 2017
Background & Aims Butyrate has been shown to potently regulate energy expenditure and lipid metabolism in animals, yet the underlying mechanisms remain to be fully understood. The aim of this study was to investigate the molecular mechanisms of butyrate (in the form of butyrate glycerides, BG)-induced lipid metabolism at the level of gene expression in the jejunum and liver of broilers. &nbs ...
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Article published the August 8, 2016
Introduction Butyrate plays an important role in gastrointestinal health in broilers. Although very efficacious and possible to substitute for dietary antibiotics, pure butyrate has obvious limitations of smell and handling and is virtually absorbed in the upper digestive tract. Butyrate glycerides have no such limitations and their butyrate can be released by lipase in the small intestine, thus ...
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Article published the May 3, 2016
In antibiotic-free broiler production systems, nutritionists can support the gut ecosystem with the judicious use of highly digestible diets for the young bird.   Varying degrees of antibioticfree production (ABF) of chicken are now imposed by government agencies or major retailers or are being voluntarily undertaken by integrated broiler companies.   It seems highly unlikely that br ...
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Article published the May 3, 2016
Use of dietary plasma in pre-starters for broilers may improve growth and health. Early nutrition of the broiler chicken is becoming more important as more knowledge is gained about the positive correlation between early growth rate and market weight and also the impact early growth and development have on the uniformity of carcass weight and composition.   All of these factors become ...
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This member gave a presentation on August 14, 2014
At the following event:
II Symposium on Emerging Issues in Poultry Nutrition and Meat Production
This member gave a presentation on August 14, 2014
At the following event:
II Symposium on Emerging Issues in Poultry Nutrition and Meat Production
Article published the November 19, 2012
INTRODUCTION Breeder nutrition is most often evaluated in terms of egg numbers and hatchability, with relatively scant regard to broiler performance. Within an integrated broiler operation, it is of course broiler growth characteristics that have the greatest impact on economics of poultry meat production, yet there is often disconnect between breeder and broiler nutrition. To some extent, this ...
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Location:Milton, Ontario, Canadá
Profile: Academic / scientific
Occupation: Veterinary Doctor
Participations in events:
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