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Journal of applied animal welfare science : JAAWS.
Publisher:
L. Erlbaum Associates,. London : Informa Healthcare
Frequency: Quarterly
Country: England
Language: English
Start Year:1998 -
ISSN:
1088-8705 (Print)
1532-7604 (Electronic)
1088-8705 (Linking)
1532-7604 (Electronic)
1088-8705 (Linking)
Impact Factor
1.5
2022
| NLM ID: | 9804404 |
| (DNLM): | SR0083765(s) |
| (OCoLC): | 34748684 |
| Classification: | W1 JO538X |
Measuring the heat loss in horses in different seasons by infrared thermography. It is necessary to consider breed and cold tolerance in the housing and caring of horses. This study demonstrates differences in heat loss between horse types at low temperatures and examines rate of loss in different types during different seasons. Eighteen horses participated. Groups by type were light (L), warmblood (W), coldblood (C), and pony (P). A camera filmed thermographic images at 15 degrees C, 2 degrees C (all types), -8 degrees C (L, W, C), and -12 degrees C (P). The study calculated loss from the neck, trunk, and inner surfaces of front and hind legs. Loss was similar in all type...
A nonnatural head-neck position (Rollkur) during training results in less acute stress in elite, trained, dressage horses. This study measured parameters of stress in recreational, trained horses (REC; n = 7) and elite (International Grand Prix level) trained, dressage horses (DRES; n = 5). The training of the DRES horses uses an unnatural head-neck position (Rollkur), whereas in the REC horses such training techniques are not common. The study measured stress by using heart rate variability analysis for 30 min postfeeding in the morning and 30 min postexercise after a morning training session. The study found no significant difference at rest between the REC and DRES horses. During the posttraining measurements, ...
Preliminary evaluation of porcine zona pellucida (PZP) immunocontraception for behavioral effects in feral horses (Equus caballus). Successful management of captive populations of wild animals requires effective control of reproduction. Contraception is one tool for controlling reproduction of animals in zoos; however, the options available to the animal manager are limited. Contraceptives vary in efficacy, reversibility, and side effects, and thus may not be suitable for widespread use. One consideration when selecting a contraceptive is its potential for side effects on behavior, especially given the fact that reproduction plays such a prominent role in the biology of any species. To date, there have been few evaluations...
Trailer loading stress in horses: behavioral and physiological effects of nonaversive training (TTEAM). Resistance in the horse to trailer loading is a common source of stress and injury to horses and their handlers. The objective of this study was to determine whether nonaversive training based on the Tellington-Touch Equine Awareness Method (TTEAM; Tellington-Jones &Bruns, 1988) would decrease loading time and reduce stress during loading for horses with a history of reluctance to load. Ten horses described by their owners as "problem loaders" were subjected to pretraining and posttraining assessments of loading. Each assessment involved two 7-min loading attempts during which heart rate a...
Absence of effects from immunocontraception on seasonal birth patterns and foal survival among barrier island wild horses. Despite a large body of safety data, concern exists that porcine zonae pellucidae (PZP) immunocontraception--used to manage wild horse populations--may cause out-of-season births with resulting foal mortality. Our study at Assateague, Maryland indicated the effects of immunocontraception on season of birth and foal survival between 1990 and 2002 on wild horses from Assateague Island. Among 91 mares never treated, 69 (75.8%) of foals were born in April, May, and June (in season). Among 77 treated mares, 50 (64.9%) were born in season. Of 29 mares foaling within 1 year after treatment (contracep...
