I J Duncan
Overview
Explore the profile of I J Duncan including associated specialties, affiliations and a list of published articles.
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Articles
34
Citations
204
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Recent Articles
1.
Jones R, Duncan I, Hughes B
Behav Processes
. 2014 Jun;
6(2):121-33.
PMID: 24925736
The behavioural and physiological responses of hens exposed to a slowly approaching human being were assessed using remote observation and radio telemetry of heart rate. Forty isolated hens of two...
2.
Petherick J, Waddington D, Duncan I
Behav Processes
. 2014 Jun;
22(3):213-26.
PMID: 24897181
Domestic fowl were deprived of the opportunity to perform litter-related behaviour for three or four days and were tested in a Y-maze (which they had previously been trained to run)...
3.
Kadri F, Duncan I
Behav Processes
. 2014 Jun;
33(3):273-88.
PMID: 24897000
Models of motivation have been traditionally classified along the lines of homeostatic/ priming dichotomies using a diversity of definitions and names. Here, similar classification is used to describe a model...
4.
Duncan I, Widowski T, Malleau A, Lindberg A, Petherick J
Behav Processes
. 2014 Jun;
43(2):219-28.
PMID: 24896008
Dustbathing is known to be motivated by complex interactions between internal factors which build up over time and external factors, such as the sight of a dusty substrate. In this...
5.
Millman S, Duncan I, Widowski T
Poult Sci
. 2000 Oct;
79(9):1233-41.
PMID: 11020065
Commercial broiler breeder males are reported to display high levels of aggression, often injuring and sometimes killing females. Aggression toward females by mature male domestic fowl is rare and may...
6.
7.
Duncan I
Poult Sci
. 1999 Jan;
77(12):1766-72.
PMID: 9872577
An understanding of behavior is important in any consideration of poultry welfare. Behavior is a good indicator of states of suffering such as fear, frustration, and pain. It might also...
8.
9.
Haley D, Rushen J, Duncan I, Widowski T, de Passille A
J Dairy Sci
. 1998 Sep;
81(8):2165-72.
PMID: 9749382
This study examined effects of resistance to milk flow and the provision of hay on the duration of nutritive sucking and subsequent nonnutritive sucking by dairy calves. In a series...
10.
Widowski T, Wong D, Duncan I
Poult Sci
. 1998 Feb;
77(1):150-5.
PMID: 9469766
Two experiments were conducted to investigate the effects of male presence on sexual maturation and sexual responses toward humans in laying strain females. In Experiment 1, two flocks of 50...