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Staff Profile
Dr Andrew Beard
Senior Lecturer in Animal Science
- Telephone: +44 (0) 191 208 6923
- Address: School of Natural and Environmental Sciences,
Agriculture Building,
Newcastle University,
Newcastle upon Tyne,
NE1 7RU
UK
Research
Research Interests
Reproductive biology - specialising in the reproductive physiology of farm animals.
Teaching
Undergraduate Teaching
- ACE1013 Introduction to Genetics - Module Leader
- ACE1044 Introduction to Animal Physiology - Module Leader
- ACE2068 Domestic Animal Reproduction and Genetic Improvement - Module Leader
- ACE3043 Livestock Reproduction - Module Leader
- ACE3044 Companion Animal Reproduction - Module Leader
- ACE3089 Animal Science Conference - Current Issues and Debates
Publications
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Articles
- Iyasere OS, Bateson M, Beard AP, Guy JH. Which factor is more important: Intensity or duration of episodic heat stress on broiler chickens?. Journal of Thermal Biology 2021, 99, 102981.
- Iyasere OS, Bateson M, Beard AP, Guy JH. Provision of Additional Cup Drinkers Mildly Alleviated Moderate Heat Stress Conditions in Broiler Chickens. Journal of Applied Animal Welfare Science 2021, 24(2), 188-199.
- Campos-Luna I, Miller A, Beard A, Leach M. Validation of mouse welfare indicators: a Delphi consultation survey. Scientific Reports 2019, 9, 10249.
- Iyasere OS, Beard AP, Guy JH, Bateson M. Elevated levels of the stress hormone, corticosterone, cause ‘pessimistic’ judgment bias in broiler chickens. Scientific Reports 2017, 7, 6860.
- Hawken PAR, Beard AP. Ram novelty and the duration of ram exposure affects the distribution of mating in ewes exposed to rams during the transition into the breeding season. Animal Reproduction Science 2009, 111(2-4), 249-260.
- Hawken PAR, Evans ACO, Beard AP. Short term, repeated exposure to rams during the transition into the breeding season improves the synchrony of mating in the breeding season. Animal Reproduction Science 2008, 106(3-4), 333-344.
- Hawken PAR, Evans ACO, Beard AP. Prior exposure of maiden ewes to rams enhances their behavioural interactions with rams but is not a pre-requisite to their endocrine response to the ram effect. Animal Reproduction Science 2008, 108(1-2), 13-21.
- Pickard RM, Beard AR, Seal CJ, Edwards SA. Neonatal lamb vigour is improved by feeding docosahexaenoic acid in the form of algal biomass during late gestation. Animal 2008, 2(8), 1186-1192.
- Madgwick S, Bagu ET, Duggavathi R, Bartlewski PM, Barrett DMW, Huchkowsky S, Cook SJ, Beard AP, Rawlings NC. Effects of treatment with GnRH from 4 to 8 weeks of age on the attainment of sexual maturity in bull calves. Animal Reproduction Science 2008, 104(2-4), 177-188.
- Hawken PAR, Beard AP, Esmaili T, Kadokawa H, Evans ACO, Blache D, Martin GB. The introduction of rams induces an increase in pulsatile LH secretion in cyclic ewes during the breeding season. Theriogenology 2007, 68(1), 56-66.
- Madgwick S, Evans ACO, Beard AP. Treating heifers with GnRH from 4 to 8 weeks of age advanced growth and the age at puberty. Theriogenology 2005, 63(8), 2323-2333.
- Hawken PAR, Beard AP, O'Meara CM, Duffy P, Quinn KM, Crosby TF, Boland MP, Evans ACO. The effects of ram exposure during progestagen oestrus synchronisation and time of ram introduction post progestagen withdrawal on fertility in ewes. Theriogenology 2005, 63(3), 860-871.
- Telford D, Franks J, Beard A. Quantifying the Potential use of Sexed Semen by UK Suckler Beef Farmers. Farm Management 2005, 12(5), 251-266.
- Honaramooz A, Aravindakshan J, Chandolia RK, Beard AP, Bartlewski PM, Pierson RA, Rawlings NC. Ultrasonographic evaluation of the pre-pubertal development of the reproductive tract in beef heifers. Animal Reproduction Science 2004, 80(1-2), 15-29.
- Bartlewski PM, Aravindakshan J, Beard AP, Nelson ML, Batista-Arteaga M, Cook SJ, Rawlings NC. Effects of medroxyprogesterone acetate (MAP) on ovarian antral follicle development, gonadotrophin secretion and response to ovulation induction with gonadotrophin-releasing hormone (GnRH) in seasonally anoestrous ewes. Animal Reproduction Science 2004, 80(1-2), 63-75.
- Evans ACO, Duffy P, Crosby TF, Hawken PAR, Boland MP, Beard AP. Effect of ram exposure at the end of progestagen treatment on estrus synchronisation and fertility during the breeding season in ewes. Animal Reproduction Science 2004, 84(3-4), 349-358.
- Telford DJ, Beard AP, Franks JR. The potential adoption and use of sexed semen in UK suckler beef production. Livestock Production Science 2003, 84(1), 39-51.
- Rawlings NC, Kastelic JP, Evans ACO, Bartlewski PM, Beard AP, Chandolia RK, Cook SJ. Plasma concentrations of cortisol and progesterone during the period of reproductive development in beef and dairy heifers. Animal Science 2002, 75(2), 281-288.
- Bartlewski PM, Beard AP, Cook SJ, Rawlings NC. Ovarian activity during sexual maturation and following introduction of the ram to ewe lambs. Small Ruminant Research 2002, 43(1), 37-44.
- Bartlewski PM, Beard AP, Rawlings NC. Ultrasonographic study of the effects of the corpus luteum on antral follicular development in unilaterally ovulating western white-faced ewes. Animal Reproduction Science 2001, 65(3-4), 231-244.
- Madgwick S, Beard AP, Bartlewski PM, Barrett D, Huchkowsky S, Rawlings NC. Treatment with Gonadotrophin Releasing Hormone increases male-male mounting behaviour in 8-week-old beef bull calves. Proceedings of the International Society of Applied Ethology, PC10 2001.
- Evans ACO, Flynn JD, Quinn KM, Duffy P, Quinn P, Madgwick S, Crosby TF, Boland MP, Beard AP. Ovulation of aged follicles does not affect embryo quality or fertility after a 14-day progestagen estrus synchronization protocol in ewes. Theriogenology 2001, 56(5), 923-936.
- Bartlewski PM, Beard AP, Chapman CL, Nelson ML, Palmer B, Aravindakshan J, Cook SJ, Tawlings NC. Ovarian responses in gonadotrophin-releasing hormone-treated anoestrous ewes: follicular and endocrine correlates with luteal outcome. Reproduction, Fertility and Development 2001, 13(2-3), 133-142.
- Bartlewski PM, Beard AP, Rawlings NC. Ultrasonographic study of ovarian function during early pregnancy and after parturition in the ewe. Theriogenology 2000, 53(3), 673-689.
- Rawlings NC, Kastelic J, Evans ACO, Bartlewski PM, Beard AP, Chandolia RK, Cook SJ. Stress and ACTH induced cortisol and progesterone secretion during the period of reproductive development in heifer calves. J. Reprod. Fertil., Abstract Series No 25, 220 2000.
- Aravindakshan JP, Honaramooz A, Bartlewski PM, Beard AP, Pierson RA, Rawlings NC. Pattern of gonadotropin secretion and ultrasonographic evaluation of developmental changes in the testis of early and late maturing bull calves. Theriogenology 2000, 54(3), 339-354.
- Bartlewski PM, Vanderpol J, Beard AP, Cook SJ, Rawlings NC. Ovarian antral follicular dynamics and their associations with peripheral concentrations of gonadotropins and ovarian steroids in anoestrous Finnish Landrace ewes. Animal Reproduction Science 2000, 58(3-4), 273-291.
- Honaramooz A, Chandolia RK, Beard AP, Rawlings NC. Opioidergic, dopaminergic and adrenergic regulation of LH secretion in prepubertal heifers. Journal of Reproduction and Fertility 2000, 119(2), 207-215.
- Aravindakshan JP, Honaramooz A, Bartlewski PM, Beard AP, Pierson RR, Rawlings NC. Gonadotrophin secretion in prepubertal bull calves born in spring and autumn. Journal of Reproduction and Fertility 2000, 120(1), 159-167.
- Bartlewski PM, Beard AP, Rawlings NC. An ultrasound-aided study of temporal relationships between the patterns of LH/FSH secretion, development of ovulatory-sized antral follicles and formation of corpora lutea in ewes. Theriogenology 2000, 54(2), 229-245.
- Beard AP, Rawlings NC. Thyroid function and effects on reproduction in ewes exposed to the organochlorine pesticides lindane or pentachlorophenol (PCP) from conception. Journal of Toxicology and Environmental Health - Part A Current Issues 1999, 58(8), 509-530.
- Bartlewski PM, Beard AP, Rawlings NC. Ovarian function in ewes during the transition from breeding season to anoestrus. Animal Reproduction Science 1999, 57(1-2), 51-66.
- Bartlewski PM, Beard AP, Rawlings NC. Ovarian function in ewes at the onset of the breeding season. Animal Reproduction Science 1999, 57(1-2), 67-88.
- Beard AP, Bartlewski PM, Rawlings NC. Endocrine and reproductive function in ewes exposed to the organochlorine pesticides Lindane or Pentachlorophenol. Journal of Toxicology and Environmental Health, Part A: Current Issues 1999, 56(1), 23-46.
- Bartlewski PM, Beard AP, Rawlings NC. An ultrasonographic study of luteal function in breeds of sheep with different ovulation rates. Theriogenology 1999, 52(1), 115-130.
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Conference Proceedings (inc. Abstracts)
- Mat K, Beard A, Edwards S. Influence of bull exposure on resumption of ovulatory activity of postpartum anoestrous dairy cows. In: 17th International Congress on Animal Reproduction (ICAR). 2012, Vancouver, Canada: Wiley-Blackwell Verlag GmbH.
- Beard AP, Hawken PAR, Pickard RM, Evans ACO. Non-pharmacological regulation of reproduction in sheep. In: 10th Annual Conference of the European Society for Domestic Animal Reproduction (ESDAR). 2006, Portoroz, Slovenia: Reproduction in Domestic Animals: Wiley-Blackwell.
- Bartlewski PM, Aravindakshan J, Beard AP, Nelson ML, Batista-Arteaga M, Cook SJ, Rawlings NC. Effects of medroxyprogesterone acetate (MAP) on ovarian antral follicle development, gonadotropin secretion and response to GnRH in seasonally anovular ewes. In: Biology of Reproduction. 2001, Society for the Study of Reproduction.
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Notes
- Iyasere OS, Bateson M, Beard AP, Guy JH. Corrigendum to “Which factor is more important for the welfare of broiler chickens: Intensity or duration of episodic heat stress?” [J. Therm. Biol. 99 (2021) 102981] (Journal of Thermal Biology (2021) 99, (S0306456521001492), (10.1016/j.jtherbio.2021.102981)). Journal of Thermal Biology 2022, Epub ahead of print.
- Hawken PAR, Beard AP, Esmaili T, Kadokawa H, Evans ACO, Blache D, Martin GB. The introduction of rams induces an increase in pulsatile LH secretion in cyclic ewes during the breeding season (vol 68, pg 56, 2007). Theriogenology 2007, 68(5), 820-820.