Publications for Jeffrey Downing
Publications for Jeffrey Downing
2016
Black, J., Downing, J., Graham, H., Flinn, P.,
Diffey, S., Tredrea, A., Piotrowski, C. (2016).
Global applicability of NIR calibrations for
predicting apparent metabolisable energy of
grains for broilers. 27th Annual Australian
Poultry Science Symposium, Sydney: Sydney
University.
2015
Sayed, M., Downing, J. (2015). Effects of dietary
electrolyte balance and addition of
electrolyte-betaine supplements in feed or water
on performance, acid-base balance and water
retention in heat stressed broilers. British Poultry
Science, 56(2), 195-209. <a
href="http://dx.doi.org/10.1080/00071668.2014.
995594">[More Information]</a>
2014
Wilkinson, S., Downing, J., Thomson, P.,
Newman, R. (2014). Dietary fatty acids affect the
growth, body composition and performance of
post-weaning gilt progeny. Animal Production
Science, 54(3), 329-338. <a
href="http://dx.doi.org/10.1071/AN13128">[Mo
re Information]</a>
Wilkinson, S., Cadogan, D., Downing, J. (2014).
Dietary fatty acids: The importance of the
Omega-6:Omega3 polyunsaturated ratio for
inflammation in horses. Australasian Equine
Science Symposium, N/A: N/A.
Newman, R., Downing, J., Thomson, P., Collins,
C., Henman, D., Wilkinson, S. (2014). Insulin
secretion, body composition and pig performance
are altered by feeding pattern. Animal
Production Science, 54(3), 319-328. <a
href="http://dx.doi.org/10.1071/AN13120">[Mo
re Information]</a>
2012
Downing, J. (2012). Nutritional Strategies to
Alliviate Poor growth Performance of
Commercial Ducks under high Temperature.
23rd Annual Australian Poultry Science
Symposium, Sydney: Poultry Research
Foundation, University of Sydney.
Downing, J. (2012). Stress levels in birds in
cage, barn
& free range systems. PIX2012, the Australasian
Milling Conference (AMC) and the AVPA
Scientific Meeting, N/A: N/A.
2011
Cronin, G., Downing, J., Storey, T., Borg, S.,
Schirmer, B., Barnett, J. (2011). A Retrospective
Study of the Impact of Injurious Pecking on
Stress Response in Hens, Measured via Egg
Corticosterone. 22nd Annual Poultry Science
Symposium, Sydney: Poultry Research
Foundation, University of Sydney.
Wilkinson, S., Downing, J., Thomson, P.,
Newman, R. (2011). Dietary fatty acids affect the
growth and performance of gilt progeny. Recent
Advances in Animal Nutrition - Australia
(RAAN 2011), Australia: University of New
England.
Newman, R., Grupen, C., Downing, J.,
Wilkinson, S. (2011). Dietary n-6 PUFA and n-3
PUFA Have a Differential Effect on Gilt Litter
Characteristics. Manipulating Pig Production
XII, Australia: Australasian Pig Science
Association.
Blaney, B., McLennan, S., Kidd, J., Connell, J.,
McKenzie, R., Downing, J. (2011). Effect of
sorgum ergot (Claviceps africana) on the
performance of steers (Bos taurus) in a feedlot.
Animal Production Science, 51(2), 156-166. <a
href="http://dx.doi.org/10.1071/AN10086">[Mo
re Information]</a>
Sayed, M., Downing, J. (2011). The effects of
water replacement by oral rehydration fluids with
or without betaine supplementation on
performance, acid-base balance, and water
retention of heat-stressed broiler chickens.
Poultry Science, 90(1), 157-167. <a
href="http://dx.doi.org/10.3382/ps.2009-00594">
[More Information]</a>
2010
Downing, J., Taylor, W. (2010). The Effects of
Strain and Season on the Performance of
Commercial Ducks under Australian Conditions.
21st Annual Australian Poultry Science
Symposium, sydney: The Poultry Research
Foundation University of Sydney and The
Worlds Poultry Science Association.
Downing, J., Ichsan (Ischan), J. (2010). The
performance of Commercial Ducks fed different
Dietary protein concentrations during Finisher
Phase. 21st Annual Australian Poultry Science
Symposium, sydney: The Poultry Research
Foundation University of Sydney and The
Worlds Poultry Science Association.
Selle, P., Gill, R., Downing, J. (2010). The
Vulnerability of Sorghum to 'Moist-Heat'. 21st
Annual Australian Poultry Science Symposium,
sydney: The Poultry Research Foundation
University of Sydney and The Worlds Poultry
Science Association.
Cronin, G., Williams, K., Downing, J. (2010).
Two-Day-Old Ducklings Interact More With A
Bell Drinker Than A Nipple Drinker Suspended
Above A Trough. 21st Annual Australian
Poultry Science Symposium, sydney: The Poultry
Publications for Jeffrey Downing
Research Foundation University of Sydney and
The Worlds Poultry Science Association.
2009
Newman, R., Yeung, K., Grupen, C., Thomson,
P., Downing, J., Broek, D., Wilkinson, S. (2009).
Dietary n-6 and n-3 Polyunsaturated fatty Acids
(PUFA) Have a Differential Effect on Gilt Litter
Characteristics. Australasian Pig Science
Association, Werribee: Australian Pig
Association.
Sayed, M., Downing, J. (2009). Does antioxidant
supplementation beneficially affect redox
homeostasis and performance in broiler chickens
exposed to short term heat stress? 20th Annual
Australian Poultry Science Symposium AAPS
2009, Sydney: The University Publishing
Service, University of Sydney.
Sayed, M., Downing, J. (2009). Effects of a
six-hour-thermal conditioning on performance
and thermo-tolerance acquisition in two broiler
chicken strains. 20th Annual Australian Poultry
Science Symposium AAPS 2009, Sydney: The
University Publishing Service, University of
Sydney.
Grupen, C., Wilkinson, S., Downing, J.,
Newman, R. (2009). Effects of Dietary Fatty
Acids on the Secretion of Metabolic Hormones
and Ovarian Activity in Prepubertal Pigs.
Manipulating Pig Production XII, Australia:
Australasian Pig Science Association.
Grupen, C., Wilkinson, S., Downing, J.,
Newman, R. (2009). Effects of Dietary Fatty
Acids on the Secretion of Metabolic Hormones
and Ovarian Properties in Prepubertal Pigs.
Australasian Pig Science Association, Werribee:
Australian Pig Association.
Wilkinson, S., Downing, J., Thomson, P.,
Newman, R. (2009). Effects of Fatty Acid
Source on Performance and Carcass
Composition of Finisher Pigs. Australasian Pig
Science Association, Werribee: Australian Pig
Association.
Barnett, J., Tauson, R., Downing, J., Janardhana,
V., Lowenthal, W., Butler, K., Cronin, G. (2009).
The effects of a perch, dust bath and nest box,
either alone or in combination as used in
furnished cages, on the welfare of laying hens.
Poultry Science, 88(3), 456-470. <a
href="http://dx.doi.org/10.3382/ps.2008-00168">
[More Information]</a>
Downing, J., Bryden, W. (2009). The Effects of
Housing Laying Hens as groups in conventional
Cages on Plasma and Egg Albumen
Corticosterone Concentrations. 20th Annual
Australian Poultry Science Symposium AAPS
2009, Sydney: The University Publishing
Service, University of Sydney.
2008
Downing, J., Bryden, W. (2008). Determination
of corticosterone concentrations in egg albumen:
A non-invasive indicator of stress in laying hens.
Physiology and Behavior, 95, 381-387. <a
href="http://dx.doi.org/10.1016/j.physbeh.2008.0
7.001">[More Information]</a>
Kopinski, J., Blaney, B., Downing, J. (2008).
Effect of 0.3% sorghum ergot (Claviceps
africana) in sow diets on plasma prolactin,
lactation and piglet growth: regulatory
implications. World Mycotoxin Journal, 1(4),
475-482.
Kopinski, J., Blaney, B., Murray, S., Downing, J.
(2008). Effect of Feeding Sorghum ergot
(Claviceps africana) to sows during mid-lactation
on plasma prolactin and litter performance.
Journal of Animal Physiology and Animal
Nutrition, 92(5), 554-561. <a
href="http://dx.doi.org/10.1111/j.1439-0396.200
7.00747.x">[More Information]</a>
Newman, R., Downing, J., Wynn, P., Taylor, R.,
Thomson, P., Wilkinson, S. (2008). Insulin
secretion and body composition are influenced
by the feeding pattern. The Nutrition Society of
Australia, Melbourne: Nutrition Society of
Australia.
Kopinski, J., Blaney, B., Downing, J. (2008).
Tolerance of pigs to sorgum ergot (Claviceps
africana) during growth and finishing, and effect
on conception of replacement gilts. Australian
Journal of Experimental Agriculture ('09
renamed: Animal Production Science), 48,
672-679. <a
href="http://dx.doi.org/10.1071/EA07326">[Mor
e Information]</a>
2007
de Graaf, S., Beilby, K., O'Brien, J., Osborn, D.,
Downing, J., Maxwell, W., Evans, G. (2007).
Embryo production from superovulated sheep
inseminated with sex-sorted ram spermatozoa.
Theriogenology: an international journal of
animal reproduction, 67(3), 550-555.
Kopinski, J., Blaney, B., Downing, J., McVeigh,
J., Murray, S. (2007). Feeding sorghum ergot
(Claviceps africana) to sows before farrowing
inhibits milk production. Australian Veterinary
Journal, 85(5), 169-176.
McGreevy, P., Hawke (Boulton), C., Celi, P.,
Downing, J. (2007). Learning and teaching of
animal handling at the University of Sydney's
Faculty of Veterinary Science. Journal of
Veterinary Medical Education, 34(5), 586-597.
Wang, B., Downing, J., Petocz, P., Brand-Miller,
J., Bryden, W. (2007). Metabolic fate of
intravenously administered N-acetylneuraminic
Publications for Jeffrey Downing
acid-6-14C in newborn piglets. Asia Pacific
Journal of Clinical Nutrition, 16(1), 110-115. <a
href="http://www.ncbi.nlm.nih.gov/entrez/query.
fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract
&list_uids=17215187">[More Information]</a>
J., Lowenthal, J., Butler, K. (2005). Effects of
Group Size and Space Allowance on Laying Hen
Welfare. 17th Annual Australian Poultry Science
Symposium APSS 2005, Australia: Poultry
Research Foundation, University of Sydney.
de Graaf, S., Evans, G., Maxwell, W., Downing,
J., O'Brien, J. (2007). Successful Low Dose
Insemination of Flow Cytometrically Sorted
Ram Spermatozoa
Downing, J., Bryden, W., Barnett, J., Stewart, G.
(2005). Non-invasive stress assessment of
commercial egg industry practices.
in Sheep. Reproduction in Domestic Animals, 42,
648-653.
Wilkinson, S., Downing, J., Scrimgeour, K.,
Thomson, P., Giles, L., Wynn, P., Newman, R.
(2007). The effect of feeding level on growth,
plasma non-esterified fatty acid and urea levels
in finisher pigs. Australian Pig Science
Association, Werribee: Australian Pig
Association.
2006
Scaramuzzi, R., Campbell, B., Downing, J.,
Kendall, N., Khalid, M., Munoz-Gutierrez, M.,
Somchit, A. (2006). A review of the effects of
supplementary nutrition
in the ewe on the concentrations of reproductive
and metabolic hormones and the mechanisms
that
regulate folliculogenesis and ovulation rate.
Reproduction, Nutrition, Development (Online),
46, 339-354.
O'Dwyer, T., Buttemer, W., Priddel, D.,
Downing, J. (2006). Prolactin, body condition
and the cost of good parenting: an interyear study
in a long-lived seabird, Gould's Petrel
(Pterodroma leucoptera). Functional Ecology,
20(5), 806-811.
Barnett, J., Cronin, G., Tauson, R., Downing, J.,
Vanardhana, V., Lowenthal, J., Butler, K.
(2006). The effects of the items of furnished
cages on laying hen welfare. 18th Annual
Australian Poultry Science Symposium (APSS
2006), Sydney: The University Publishing
Service, University of Sydney.
2005
Muir, W., Downing, J., Howe, P., Bryden, W.
(2005). An Evaluation of Dietary Omega- 3 Fatty
Acids on Avian Immunity. 17th Annual
Australian Poultry Science Symposium APSS
2005, Australia: Poultry Research Foundation,
University of Sydney.
Newman, R., Bryden, W., Kirby, A., Storlein, L.,
Downing, J. (2005). Dietary n-3 and n-6 fatty
acids alter avian glucose metabolism. British
Poultry Science, 46(1), 104-113.
Barnett, J., Cronin, G., Downing, J., Janardhana,
Lee, C., Giles, L., Bryden, W., Downing, J.,
Owens, P., Kirby, A., Wynn, P. (2005).
Performance and endocrine responses of group
housed weaner pigs exposed to the air quality of
a commercial environment. Livestock Science,
93(3), 255-262.
Lee, C., Giles, L., Bryden, W., Downing, J.,
Collins, D., Wynn, P. (2005). The effect of active
immunization against adrenocorticotropic
hormone on cortisol, ß-endorphin, vocalization,
and growth in pigs. Journal of Animal Science,
83(10), 2372-2379.
Barnett, J., Cronin, G., Tauson, R., Downing, J.,
Janardhana, J., Lowenthal, J., Butler, K. (2005).
The effects of a perch, dust bath and nest box in
furnished cages on the welfare of laying hens.
7th European Symposium on Poultry Welfare,
Poland: Animal Science Papers and Reports.
2004
Stewart, G., Shini, S., Byrne, T., Zhang, D.,
Pym, R., Roberts, J., Downing, J., Bryden, W.
(2004). Assessment and development of best
management practices for conventional and
alternative laying systems. XXII World's Poultry
Congress WPC 2004, Turkey: World's Poultry
Science Assocaition.
2003
Newman, R., Storlien, L., Bryden, W., Kirby, A.,
Downing, J. (2003). Dietary n-3 and n-6 fatty
acids alter avian pituitary sensitivity. Nutritional
Neuroscience, 6(6), 343-350.
Wilkinson, S., Van Wichen, J., Newman, R.,
Downing, J., Bryden, W. (2003). N-3 and N-6
Fatty Scids: Different Dietary Ratios Affect
Abdominal Fat Pad Mass in Broiler Chickens.
Australian Poultry Science Symposium, Sydney:
The Poultry Research Foundation University of
Sydney and The Worlds Poultry Science
Association.
Downing, J., Bryden, W. (2003). The
relationship Between Plasma and Egg Albumen
Corticosterone levels. Australian Poultry Science
Symposium, Sydney: The Poultry Research
Foundation University of Sydney and The
Worlds Poultry Science Association.
2002
Newman, R., Bryden, W., Fleck, E., Ashes, J.,
Publications for Jeffrey Downing
Buttemer, W., Storlien, L., Downing, J. (2002).
Dietary n-3 and n-6 acids alter avian metabolism
: metabolism and abdominal fat deposition.
British Journal of Nutrition, 88(1), 11-18.
Newman, R., Bryden, W., Fleck, E., Ashes, J.,
Storlien, L., Downing, J. (2002). Dietary n-3 and
n-6 acids alter avian metabolism: molecular species composition of breast - muscle
phospholipids. British Journal of Nutrition,
88(1), 19-28.
Downing, J., Wilkinson, S., Newman, R.,
Bryden, W., Selle, P. (2002). Effects of
Conjugated Linoleic Acid on Broiler Growth
Performance and Carcass composition.
Australian Poultry Science Symposium, Sydney:
The Poultry Research Foundation University of
Sydney and The Worlds Poultry Science
Association.
Newman, R., Wilkinson, S., Downing, J.,
Bryden, W. (2002). N-3 and N-6 Fatty Acids :
Dietary Levels , Growth Performance and
Carcass Composition of Broilers. Australian
Poultry Science Symposium, Sydney: The
Poultry Research Foundation University of
Sydney and The Worlds Poultry Science
Association.
Downing, J., Bryden, W. (2002). Non-invasive
test of stress in laying hens.
Howe, P., Downing, J., Grenyer, B.,
Grigonis-Deane, E., Bryden, W. (2002). Tuna
fishmeal as a source of docosahexaenoic acid for
omega-3 enrichment of pork and chicken meat
and eggs. Lipids, 37(11), 1067-1076. <a
href="http://dx.doi.org/10.1007/s11745-002-100
2-3">[More Information]</a>
2001
Blaney, B., Kopinski, J., Murray, S., McLennan,
S., Moss, R., Downing, J., Dingle, J. (2001).
Research on the toxicity of sorghum ergot and its
alkaloids. Fourth Australian Sorghum
Conference. Range Media Pty Ltd.
Kopinski, J., Blaney, B., Downing, J., McVeigh,
J., Murray, S. (2001). Sorghum ergot- Effect on
milk production of sows. Fourth Australian
Sorghum Conference. Range Media Pty Ltd.