Christopher Wathes | Academic Influence

Christopher Wathes's AcademicInfluence.com Rankings

Christopher Wathes

Chemistry

#5402

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#6572

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Organic Chemistry

#980

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#1107

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chemistry Degrees

Christopher Wathes

Mathematics

#8047

World Rank

#10929

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Number Theory

#338

World Rank

#420

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Algebra

#570

World Rank

#752

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Measure Theory

#3260

World Rank

#3853

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mathematics Degrees

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Chemistry
Mathematics

Christopher Wathes's Degrees

PhD Physics University of Oxford
Bachelors Mathematics Imperial College London

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Why Is Christopher Wathes Influential?

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According to Wikipedia, Christopher Michael Wathes was a British research scientist who specialised in agricultural and veterinary science. Wathes was born in Birmingham in 1951 and graduated from the University of Birmingham with a BSc degree in physics in 1974. He graduated from the University of Nottingham in 1978 with a PhD in environmental physics.

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Christopher Wathes's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Concentrations and emissions of ammonia in livestock buildings in Northern Europe (1998) (478)
Concentrations and emissions of airborne dust in livestock buildings in Northern Europe (1998) (365)
Is precision livestock farming an engineer's daydream or nightmare, an animal's friend or foe, and a farmer's panacea or pitfall? (2008) (283)
Concentrations and Emissions of Airborne Endotoxins and Microorganisms in Livestock Buildings in Northern Europe (1998) (265)
A review of livestock monitoring and the need for integrated systems (1997) (250)
Ammonia and poultry welfare: a review (2000) (227)
Concentrations and emission rates of aerial ammonia, nitrous oxide, methane, carbon dioxide, dust and endotoxin in UK broiler and layer houses. (1997) (222)
Spectral sensitivity of the domestic fowl (Gallus g. domesticus). (1999) (199)
Environmental impacts and sustainability of egg production systems. (2010) (159)
Light, Vision and the Welfare of Poultry (2003) (129)
A comparison of three balance methods for calculating ventilation rates in livestock buildings (1998) (126)
Ammonia emissions from two mechanically ventilated UK livestock buildings (1999) (124)
The behaviour of broiler chickens in different light sources and illuminances (2007) (117)
Emissions of Aerial Pollutants in Livestock Buildings in Northern Europe: Overview of a Multinational Project (1998) (115)
A Survey of Ventilation Rates in Livestock Buildings in Northern Europe (1998) (94)
Can domestic fowl, Gallus gallus domesticus, show self-control? (2005) (92)
SE—Structure and Environment: Validation of Ventilation Rate Measurement Methods and the Ammonia Emission from Naturally Ventilated Dairy and Beef Buildings in the United Kingdom (2001) (90)
Leg health and performance of broiler chickens reared in different light environments (2006) (88)
Thermal balance of livestock. 2. Applications of a parsimonious model. (2000) (86)
Behavioural and physiological responses of pigs to sound (1996) (82)
Thermal balance of livestock. 1. A parsimonious model (2000) (78)
First experiences with methods to measure ammonia emissions from naturally ventilated cattle buildings in the U.K. (1998) (75)
Temperature and Moisture Conditions in Livestock Buildings in Northern Europe (1998) (73)
Physiological and behavioural responses of broilers to controlled atmosphere stunning: implications for welfare (2007) (72)
The use of olfactory and other cues for social recognition by juvenile pigs. (2001) (71)
Estimation of the number and demographics of companion dogs in the UK (2011) (69)
AVERSION OF PIGS AND DOMESTIC FOWL TO ATMOSPHERIC AMMONIA (2002) (69)
Modelling energy metabolism of Friesians in Kenya smallholdings shows how heat stress and energy deficit constrain milk yield and cow replacement rate (2006) (69)
Behavioural responses of pigs to atmospheric ammonia in a chronic choice test (1996) (68)
Modelling the dynamic activity of broiler chickens in response to step-wise changes in light intensity (2006) (63)
Dynamic Data-based Modelling of Heat Production and Growth of Broiler Chickens: Development of an Integrated Management System (2003) (63)
Aerial emissions from poultry production (1998) (62)
Measuring and modelling the photopic flicker sensitivity of the chicken (Gallus g. domesticus) (2002) (62)
The aversion of broiler chickens to concurrent vibrational and thermal stressors. (2001) (61)
Behavioural responses of broiler chickens during acute exposure to gaseous stimulation (2006) (59)
Discrimination of conspecifics by juvenile domestic pigs, Sus scrofa (2005) (58)
Reflective properties of domestic fowl (Gallus g. domesticus), the fabric of their housing and the characteristics of the light environment in environmentally controlled poultry houses. (1999) (58)
Sound avoidance by domestic pigs depends upon characteristics of the signal (1998) (56)
Assessment of Techniques for Measuring the Ventilation Rate, using an Experimental Building Section (2000) (54)
The relationship between physical activity and leg health in the broiler chicken (2010) (51)
Ultraviolet light and mating behaviour in domestic broiler breeders (2001) (50)
Avoidance of atmospheric ammonia by domestic fowl and the effect of early experience (2005) (48)
Controlled atmosphere stunning of broiler chickens. II. Effects on behaviour, physiology and meat quality in a commercial processing plant (2007) (46)
Preference of growing pigs for illuminance (2006) (46)
Controlled atmosphere stunning of broiler chickens. I. Effects on behaviour, physiology and meat quality in a pilot scale system at a processing plant (2007) (45)
Production responses of weaned pigs after chronic exposure to airborne dust and ammonia (2004) (41)
A novel telemetric logging system for recording physiological signals in unrestrained animals (2007) (40)
Preference and motivation of laying hens to eat under different illuminances and the effect of illuminance on eating behaviour (2002) (40)
Dispersal of micro-organisms in commercial defeathering systems (2003) (39)
Prioritisation of companion dog welfare issues using expert consensus (2014) (38)
Physiological and behavioral responses of poultry exposed to gas-filled high expansion foam. (2013) (37)
The preference of pigs for fresh air over ammoniated air (1996) (36)
The Acoustic Environment of the Domestic Pig (1998) (35)
The effects of light illuminance and wavelength on the growth of broiler chickens (1982) (34)
Behavioral correlates of olfactory and trigeminal gaseous stimulation in chickens, Gallus domesticus (2005) (33)
A comparative study of stimulus-specific pupil responses in the domestic fowl (Gallus gallus domesticus) and the human (2002) (32)
Social discrimination of familiar conspecifics by juvenile pigs, Sus scrofa: development of a non-invasive method to study the transmission of unimodal and bimodal cues between live stimuli (2008) (32)
Physiological responses of laying hens during whole-house killing with carbon dioxide (2011) (32)
Clinical and pathological responses of weaned pigs to atmospheric ammonia and dust (2005) (32)
Preferred food rewards for laying hens in behavioural experiments (2003) (30)
Measuring and modelling the spatial contrast sensitivity of the chicken (Gallus g. domesticus) (2009) (30)
Stimulus–response functions of single avian olfactory bulb neurones (2002) (30)
Effect of low light and high noise on behavioural activity, physiological indicators of stress and production in laying hens (2011) (30)
A mechanistic inter-species comparison of flicker sensitivity (2003) (26)
Sensible heat transfer from the bowl: thermal resistance of the pelt. (1981) (25)
Response characteristics of nasal trigeminal nociceptors in Gallus domesticus (2002) (25)
Measuring the success of a farm animal welfare education event (2012) (25)
Sensible heat transfer from the fowl: radiative and convective heat losses from a flock of broiler chickens. (1981) (25)
Comparative study of the photopic spectral sensitivity of domestic ducks (Anas platyrhynchos domesticus), turkeys (Meleagris gallopavo gallopavo) and humans (2006) (24)
Calculating luminous flux and lighting levels for domesticated mammals and birds. (2008) (24)
Development and application of a novel environmental preference chamber for assessing responses of laboratory mice to atmospheric ammonia. (2008) (24)
The impact of chronic environmental stressors on growing pigs, Sus scrofa (Part 1): stress physiology, production and play behaviour. (2010) (23)
Investigating social discrimination of group members by laying hens (2009) (22)
Precision livestock farming for animal health, welfare and production. (2007) (22)
Stimulus luminance and the spatial acuity of domestic fowl (Gallus g. domesticus) (2009) (22)
Sensible heat transfer from the fowl: boundary-layer resistance of a model fowl. (1981) (21)
Operant responses of pigs to atmospheric ammonia (1998) (20)
The impact of chronic environmental stressors on growing pigs, Sus scrofa (Part 2): social behaviour. (2010) (20)
The effects of acute simultaneous exposure to ammonia on the detection of buried odourized food by pigs. (2000) (20)
Adolescents Care but Don't Feel Responsible for Farm Animal Welfare (2013) (20)
Structures and materials. (1994) (19)
A survey of stakeholders' opinions on the priority issues affecting the welfare of companion dogs in Great Britain (2013) (19)
Behavioural and physiological responses of piglets to naturally occurring sounds (1995) (18)
Growth, food intake and development in broiler cockerels raised to maturity (1985) (18)
A Continuous-Choice Assessment of the Domestic Fowl's Aversion to Concurrent Transport Stressors (2003) (17)
Trade-off between ammonia exposure and thermal comfort in pigs and the influence of social contact (1999) (17)
Can domestic fowl show self-control? (2005) (16)
Environmental Management of Pigs (2007) (16)
Preferences of growing ducklings and turkey poults for illuminance (2004) (16)
Do hens have friends (2013) (16)
Livestock Production in the UK in the 21st Century: A Perfect Storm Averted? (2013) (16)
Differential hepatic gene expression in the broiler chicken in response to the combined stressors of food withdrawal, catching and transport at the end of production (2012) (16)
A Facility for Controlled Exposure of Pigs to Airborne Dusts and Gases (2003) (16)
A mechanistic inter-species comparison of spatial contrast sensitivity (2008) (16)
Visual discrimination learning and spatial acuity in sheep (2013) (16)
Relationship between pre-partum relaxin concentrations and farrowing intervals in the pig. (1989) (15)
Influence of oxytocin infusion during oestrus and the early luteal phase on progesterone secretion and the establishment of pregnancy in ewes. (1991) (15)
Lives worth living? (2010) (15)
Acute and chronic exposure to ammonia and olfactory acuity for n-butanol in the pig. (2001) (14)
On the calculation of optical performance factors from vertebrate spatial contrast sensitivity (2007) (14)
Owners' observations of domestic cats after limb amputation (2010) (13)
Using light to control activity in broiler chickens. (2004) (12)
Dairy cow housing. (1994) (12)
Comparison of commonly used samplers with a novel bioaerosol sampler with automatic plate exchange (1997) (12)
A methodology for the measurement of distributed agricultural sources of ammonia outdoors—Part 2: field validation and farm measurements (2005) (12)
Conjoint preferences of chicks for heat and light intensity (1991) (12)
Simultaneous Monitoring and Control of Pig Growth and Ammonia Emissions (2012) (11)
Neural predictive control of broiler chicken and pig growth (2018) (11)
Ammonia Concentrations and Emissions in Livestock Production Facilities: Guidelines and Limits in the USA and UK (2003) (11)
A comparison of plasma vasopressin and oxytocin concentrations during the oestrous cycle of the ewe. (1992) (11)
ENVIRONMENTAL DESIGN AND MANAGEMENT FOR LIVESTOCK IN THE 21ST CENTURY: RESOLVING CONFLICTS BY INTEGRATED SOLUTIONS (2001) (11)
The relationship between the comb and social behaviour in laying hens (2011) (10)
A methodology for the measurement of distributed agricultural sources of ammonia outdoors—Part 1: validation in a controlled environment (2003) (9)
Ethics and ethical analysis in veterinary science. (2012) (9)
The prospects for precision livestock farming. (2010) (9)
Neural Predictive Control of Broiler Chicken Growth (2010) (9)
Vision in the laying hen. (2004) (8)
Environmental control in pig housing (1998) (8)
Mechanistic modeling of vertebrate spatial contrast sensitivity and acuity at low luminance (2012) (8)
Group size and plumage damage in laying hens (1985) (8)
Behaviour of domestic ducks exposed to mobile predator stimuli. 1. Flock responses (2001) (8)
Aerial pollutants from weaner production. (2001) (8)
Development of a raceway method to assess aversion of domestic fowl to concurrent stressors (2001) (8)
Light intensity and social communication between hens (2009) (8)
INTEGRATED MANAGEMENT SYSTEMS FOR PIGS - INCREASING PRODUCTION EFFICIENCY AND WELFARE (2002) (8)
Prevalence of endemic pig diseases in England: an overview six months into a large-scale cross-sectional study on Post-Weaning Multi-systemic Wasting Syndrome (PMWS) (2010) (7)
Ethical analysis of the use of animals for sport. (2012) (7)
Beef cattle housing. (1994) (7)
Behaviour of domestic ducks exposed to mobile predator stimuli. 2. The association of individual duckling attributes with relative position in a flock (2001) (7)
Pig welfare assessment: development of a protocol and its use by veterinary undergraduates. (2009) (7)
Production Responses of Weaner Pigs after Chronic Exposure to Airborne Dust and Ammonia (2002) (7)
Animals in Mans Environment: A Question of Interest (1994) (7)
LIGHT, POULTRY AND VISION (2001) (6)
Production animals ethical and welfare issues raised by production-focused management of newborn livestock. (2012) (6)
Light quality preferences of broiler chickens (2002) (6)
Effects of contact dermatitis on hepatic gene expression in broilers (2012) (6)
Strength of motivation of broiler chickens to seek fresh air after exposure to atmospheric ammonia (2003) (6)
Energetic Efficiencies of Alternative Systems of Egg Production (1981) (5)
Veterinary and animal ethics : proceedings of the First International Conference on Veterinary and Animal Ethics, September 2011 (2012) (5)
Chronic ammonia exposure does not influence hepatic gene expression in growing pigs (2013) (5)
Guarding the welfare of farm animals (2010) (4)
The RCVS codes of conduct: what's in a word? (2014) (4)
Controlled atmosphere stunning of poultry: an integrated approach (2005) (3)
Social signalling in the domestic fowl: role of UV(A) light in mating and mate choice. (1999) (3)
Past trends and future challenges for a sustainable UK dairy industry (2011) (3)
The impact of chronic environmental stressors on the social behaviour of growing pigs, Sus scrofa (2010) (3)
Aversiveness of atmospheric ammonia to pigs and domestic fowl. (2000) (3)
Light and how birds perceive their environment (2002) (3)
21 – INSULATION OF ANIMAL HOUSES (1981) (3)
Atmospheric Emissions of Particulates (PM10) from Agriculture in the United Kingdom (2002) (2)
The ethics of animal enhancement. (2012) (2)
Environmental management for laying hens (2004) (2)
Exercise and the height of horses (1986) (2)
Time-Consuming, but Necessary: A Wide Range of Measures Should Be Included in Welfare Assessments for Dairy Herds (2021) (2)
How to control activity in broiler chickens (2004) (1)
Applications of process control techniques in poultry production (2001) (1)
Design of a novel environmental preference chamber for laboratory mice and its application for testing tolerance of atmospheric ammonia (2008) (1)
Precision pig management - resolving conflicts by integrated solutions. (2004) (1)
Towards Livestock Production In The 21st Century: A Perfect Storm Averted? (2012) (1)
Tolerance of atmospheric ammonia by laboratory mice (2006) (1)
Proceedings of the 38th International Congress of the ISAE, Helsinki, Finland (2004) (1)
2004 SPRING MEETING OF THE WPSA UK BRANCH PAPERS (2004) (1)
Preferences of Growing Fowls for Different Light Intensities in Relation to Age, Strain and Behaviour (1999) (1)
Modelling and control of broiler activity. (2011) (1)
Is precision farming an engineer's daydream or nightmare, an animal's friend or foe, and a farmer's panacea or pitfall? (Keynote speech) (2005) (1)
Livestock Farming and the Environment (2004) (1)
INTERACTIONS BETWEEN HOUSED LIVESTOCK AND THEIR ENVIRONMENT (2002) (1)
Bioaerosols in Animal Houses (2020) (1)
Size, time, ketamine and birds (1984) (1)
Vision and the need for light in hen houses. (2000) (0)
Editors’ Introduction (2020) (0)
Hens can show self-control (2005) (0)
Selected highlights from other veterinary journals (2012) (0)
DOES UREA INFLUENCE GENE EXPRESSION IN BOVINE ENDOMETRIUM (2012) (0)
Proceedings of the 7th International Behaviour Ecology Congress (1998) (0)
Can mathematical modelling predict how chickens respond to light (2004) (0)
Livestock Production and Society Edited by R Geers and F Madec (2006). Published by Wageningen Academic Publishers, The Netherlands. 310 pp Hardback (ISBN 9076998892) Price €65. (2007) (0)
Development of a precision management system for broiler houses (2004) (0)
Visual discrimination learning and critical spatial acuity in sheep (2003) (0)
Wildlife medicine, conservation and welfare. (2012) (0)
Book reviewEthics of Animal Use, P. Sandøe, S.B. Christiansen, Blackwell Publishing, Oxford (2008), 192 pp., Paperback, Price: £ 33, ISBN: 978-1-4051-5120-7 (2009) (0)
High expansion gas foam: a humane agent for emergency killing of poultry? (2012) (0)
The effect of illuminance on ovine spatial acuity (2004) (0)
Individual position within a flock of ducks when under risk of predation (1998) (0)
37th International Congress of the ISAE (2003) (0)
105. The evolution of porcine dermatitis and nephropathy syndrome (PDNS) and post-weaning multisystemic wasting syndrome (PMWS) on one unit (2002) (0)
Can domestic fowl detect the flicker of fluorescent lights (2002) (0)
A delayed aversion to atmospheric ammonia in Pigs (1997) (0)
Proceedings of the 7th International Behavioural Ecology Congress (1998) (0)
Deaths (2016) (0)
The potential for optimizing activity in fast-growing broiler chickens (2005) (0)
Proceedings of the 40th International Congress of the ISAE, Bristol, UK (2006) (0)
Effects of contact dermatitis on differential hepatic gene expression in broiler chickens (2012) (0)
Precision Livestock Farming Edited by S Cox (2003). Published by Wageningen Academic Publishers, PO Box 220, NL-6700 AE, Wageningen, The Netherlands; http://www.WageningenAcademic.com. 184pp. Paperback (ISBN 9076998221). Price €40.00; US$S3.00. (2004) (0)
Light quality and the production of broiler chickens (2003) (0)
Environmental control in poultry housing (2002) (0)
Applications of process control in poultry producion (2001) (0)
Controlling activity in broiler chickens: first steps in precision livestock farming for animal welfare (2004) (0)
The use of olfactory cues in social recognition of juvenile pigs (2000) (0)
AMMONIA AND THE BEHAVIOUR OF LAYING HENS (1999) (0)
Environmental management, welfare of the Laying hen (2003) (0)
Poultry Environment Problems: A Guide To Solutions. D Charles and A Walker (2002). Published by Nottingham University Press, Manor Farm, Main Street, Thrumpton, Nottingham NG11 0AX, UK. 88pp. Paperback (ISBN 1 897676 97 2). Price £20.00. (2002) (0)
Encyclopaedia of animal welfare (2012) (0)

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