Stephen Mansbridge

Stephen Mansbridge
Harper Adams University | HAUC · Animal Production, Welfare and Veterinary Sciences

Doctor of Philosophy

About

32
Publications
4,816
Reads
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89
Citations
Introduction
Registered animal scientist accredited by the British Society of Animal Science and Senior Lecturer in Animal Science and Bioinformatics at Harper Adams University. An AMTRA qualified animal medicines advisor (all species), with a background in agriculture and specialist interests in animal health and non-ruminant nutrition. Research interests in animal production systems, health, welfare and veterinary medicines.
Additional affiliations
November 2015 - present
Harper Adams University
Position
  • Lecturer
November 2015 - September 2017
Harper Adams University
Position
  • Bioinformatician
October 2015 - present
Dairy Crest
Position
  • Consultant Animal Scientist
Education
February 2012 - May 2017
Harper Adams University
Field of study
  • Animal Science
September 2009 - September 2010
The Ohio State University
Field of study
  • Agriculture
June 2008 - July 2008
Harper Adams University
Field of study
  • AMTRA SQP

Publications

Publications (32)
Article
1. This study assessed the impact of dietary dihydroquercetin (DHQ) in wheat-based diets on egg production, composition and quality when fed to laying hens. A total of 80 Hy-Line Brown hens were allocated to 20 enriched layer cages, over two tiers, in groups of four birds.2. Two wheat-based diets were used in the study. A basal diet, meeting the nu...
Article
Full-text available
Stevia rebaudiana Bertoni is a shrub with leaves that have a high concentration of carotenoids such as lutein and zeaxanthin. Egg yolks are a bioavailable source of lutein and zeaxanthin. The consumption of these carotenoids has been linked with improved human health. To investigate the impact of dried stevia leaves at 0%, 1% and 3% on the quality...
Article
Dihydroquercetin (DHQ), also known as taxifolin, is a natural antioxidant that can be commercially obtained by extraction from Siberian Larch (Larix sibirica). Four wheat-soy based diets, formulated to contain 0, 0.5, 1.5 and 4.5 g/kg of supplementary DHQ were prepared. Each diet was fed ad libitum to birds in seven pens (three birds in each pen) i...
Article
Full-text available
Background: The global climate is warming. Heat stress, as a result of high ambient temperatures, may negatively impact physiology and reduce growth performance of poultry. Stevia is a perennial shrub indigenous to South America where its phytochemical extracts have been used as a natural sweetener for hundreds of years. Its physiological effects,...
Article
Full-text available
https://www.animalhealthmedia.com/wp-content/uploads/2021/03/One-Health_Professional-Stakeholder.pdf
Article
Four diets, formulated with and without stevia and with and without exogenous xylanase, following 2 × 2 factorial design, were prepared. Each diet was fed ad libitum to birds in eight pens (three birds in each pen) in a randomised block design. It was found that birds fed xylanase grew faster, used the feed more efficiently and had an increased con...
Article
The use of natural antioxidants, in particular polyphenols such as dihydroquercetin (DHQ), in animal nutrition has recently increased in popularity. This may partly be due to the risk of increased incidences of heat stress associated with raising livestock in warmer ambient temperatures, facilitated by global warming, reducing antioxidant capacity....
Article
Full-text available
Introduction: expansion of the Namibian beef export market presents benefits for both the National economy and small-scale farming communities. However, meeting animal health and productivity requirements whilst securing veterinary public health are identified as key challenges to the sector. Farmer access to veterinary services, animal health advi...
Conference Paper
Full-text available
Abstracts submitted in 2019 and accepted in 2020, conference postponed due to COVID.
Preprint
Full-text available
The use of natural antioxidants, in particular polyphenols such as dihydroquercetin (DHQ), in animal nutrition have recently increased in popularity. This may partly be due to the risk of increased incidences of heat stress associated with raising livestock in warmer ambient temperatures, facilitated by global warming, reducing antioxidant capacity...
Article
• The aim of this study was to examine chemical composition, quality characteristics, apparent metabolisable energy (AME) and nutrient utilisation of wheat samples currently available to the UK poultry industry and their effect on broiler growth performance. • Seventeen current UK wheat samples were used to formulate 17 diets, all of which included...
Article
1. A total of 80 male Ross 308 broilers were used in a study to investigate the effect of dietary dihydroquercetin (DHQ) on growth performance variables, gastrointestinal tract (GIT) and immune organ development, glutathione peroxidase (GPx) and haemoglobin in blood, hepatic vitamin E content, dietary N-corrected metabolisable energy (AMEn), and nu...
Chapter
Full-text available
This chapter presents information obtained from experiments involving male Ross 308 broiler chickens on the effects of a standardised combination of plant extracts (PE) including carvacrol, cinnamaldehyde and capsicum oleoresin, on bird performance, hepatic antioxidant concentration and immunomodulation. Birds were reared under industry recognised...
Article
Full-text available
This study aimed to assess the effect of a commercial blend of phytogenic feed additives (PA), comprising 5% carvacrol, 3% cinnamaldehyde, and 2% capsicum oleoresin on the modulation of immune biomarkers of broiler chickens, their growth performance, dietary energy, and nutrient retention. Four-hundred day-old birds were assigned to one of four die...
Article
Full-text available
This study investigated the effects of graded levels of myo-inositol (INS) in diets containing 2 levels of available P on growth performance, nutrient retention, liver N, fat and vitamin E contents, INS and alkaline phosphatase (ALP) concentrations in blood plasma. A total of 120 male Ross 308 broilers were allocated to 60 small floor pens each hol...
Article
Full-text available
The aim of this study was to test the hypothesis of an improved growth, dietary nutrient availability and overall health of broiler chickens reared on recycled litter when fed a standardised combination of essential oils (EO; carvacrol, cinnamaldehyde and capsicum oleoresin). To assess the effect of dietary treatments, feed intake, weight gain, fee...
Article
This article aimed to give student veterinary nurses undertaking an honours research project (HRP) some ideas for how they might identify a suitable topic to research. It started from the premise that the final-year honours degree dissertation project is an exciting opportunity for veterinary nursing students to contribute to the history of veterin...
Conference Paper
Full-text available
Wheat is the main cereal used in broiler feed formulations in the UK and many European countries. Understanding the variation in nutritional value of wheat is commercially important and the subject of ongoing research. The aim of this study was to examine the differences in the nutritional value of 17 different wheat cultivars for broiler chickens...
Article
The aim of this article is to provide veterinary nurses with 16 tips to help get them started in practice-based research. It covers key areas that the veterinary nurse should consider before undertaking a research project in order to improve the chances of the study being a meaningful and publishable contribution to the evidence base underpinning v...
Conference Paper
Full-text available
Implications The inclusion of zinc oxide in weaner pig diets must be used with care as dietary inclusion of 2500 mg/kg in this study reduced daily live weight gain and increased feed conversion ratio in high health status pigs. Super-doses of dietary phytase fed to pigs post-weaning showed benefits on growth performance, but can only be used to ful...
Conference Paper
Full-text available
The quantification of cytokine gene expression has become an invaluable tool in veterinary science to characterise immune responses to a variety of antigens. Six candidate reference genes for normalising duodenal cytokine gene expression data obtained through reverse-transcription polymerase chain reaction (RT-qPCR) with SYBR® green dye were assess...
Technical Report
Full-text available
Straw has been used historically as a bedding material for pigs. However, pigs can be inclined to play with and eat straw. This could cause problems such as a reduced diet digestibility for the pig, as well as a requirement for more cereal-based feed. This UK study investigated the quantity of wheat straw bedding which sows and growers ate, when it...

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Projects

Projects (3)
Project
Characterisation of modern available UK wheat cultivars for poultry feeds Investigation of chemical composition and physical characteristics of these currently used wheat cultivars in broilers feed especially. factors contributing variability in AME (apparent metabolisable energy) of wheat Investigation of relationship between wheat and metabolisable energy
Project
This is an ongoing project to investigate strategies for using super dosing of exogenous phytase enzymes in pig diets.
Project
Portfolio includes antioxidants, phytochemicals and pre- / pro- biotics for livestock, companion animal and human applications.