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Lisa Nash, H.; Song, G.K.; Price, E.O. |
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Head partitions facilitate feeding by subordinate horses in the presence of dominant pen-mates |
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Year |
1987 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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19 |
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1-2 |
Pages |
179-182 |
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Abstract |
The purpose of the following study was to determine if head partitions would facilitate feeding by subordinate horses in the presence of dominant pen-mates. Six pairs of mares, each with established dominant-subordinate relationships, were allowed to compete for feed in a 112-cm trough following 24 h of deprivation. Time spent feeding by each mare in each pair was recorded with a wire-mesh partition, a solid plywood partition or no partition dividing the trough. Differences in feeding times between dominant and subordinate mares were greatest in the absence of a partition and least (P<0.05) with the wire barrier in place. Differences in feeding times with the solid plywood barrier were not significantly different from either of the other treatment conditions. It was concluded that head partitions on a trough facilitate feeding by subordinate horses in the presence of dominant pen-mates and thus provide a more equitable distribution of food resources. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5411 |
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Author |
Mader, D.R.; Price, E.O. |
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Title |
Discrimination learning in horses: effects of breed, age and social dominance |
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Journal Article |
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1980 |
Publication |
Journal of animal science |
Abbreviated Journal |
J. Anim Sci. |
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50 |
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5 |
Pages |
962-965 |
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Aging; Animals; *Discrimination Learning; Female; Horses/*physiology; *Social Dominance |
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The discrimination learning ability of Quarter Horses and Thoroughbreds was compared by means of visual cues in a three-choice test with food as a reward. Quarter Horses learned significantly faster than Thoroughbreds, and learning progressed more rapidly for both breeds in a second discrimination task. Significant negative correlations were observed between age and rate of learning. Quarter Horses tended to be less reactive than Thoroughbreds, but individual emotional reactivity ratings and learning scores were not correlated. No correlation was found between social dominance and learning scores. Learning studies with horses may provide a better understanding of the behavioral traits that influence trainability in this species. |
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English |
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0021-8812 |
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PMID:7390949 |
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refbase @ user @ |
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679 |
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Price, E.O. |
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Title |
Behavioral development in animals undergoing domestication |
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Journal Article |
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Year |
1999 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
App Anim Behav Sci |
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65 |
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3 |
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245-271 |
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Domestication; Domestic animals; Captivity; Behavioral development; Feral; Reintroduction |
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The process of domestication involves adaptation, usually to a captive environment. Domestication is attained by some combination of genetic changes occurring over generations and developmental mechanisms (e.g., physical maturation, learning) triggered by recurring environmental events or management practices in captivity that influence specific biological traits. The transition from free-living to captive status is often accompanied by changes in availability and/or accessibility of shelter, space, food and water, and by changes in predation and the social environment. These changes set the stage for the development of the domestic phenotype. Behavioral development in animals undergoing domestication is characterized by changes in the quantitative rather than qualitative nature of responses. The hypothesized loss of certain behavior patterns under domestication can usually be explained by the heightening of response thresholds. Increases in response frequency accompanying domestication can often be explained by atypical rates of exposure to certain forms of perceptual and locomotor stimulation. Genetic changes influencing the development of the domestic phenotype result from inbreeding, genetic drift, artificial selection, natural selection in captivity, and relaxed selection. Experiential contributions to the domestic phenotype include the presence or absence of key stimuli, changes in intraspecific aggressive interactions and interactions with humans. Man's role as a buffer between the animal and its environment is also believed to have an important effect on the development of the domestic phenotype. The domestication process has frequently reduced the sensitivity of animals to changes in their environment, perhaps the single-most important change accompanying domestication. It has also resulted in modified rates of behavioral and physical development. Interest in breeding animals in captivity for release in nature has flourished in recent decades. The capacity of domestic animals to survive and reproduce in nature may depend on the extent to which the gene pool of the population has been altered during the domestication process and flexibility in behavioral development. “Natural” gene pools should be protected when breeding wild animals in captivity for the purpose of reestablishing free-living natural populations. In some cases, captive-reared animals must be conditioned to live in nature prior to their release. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5663 |
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Price, E.O. |
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Title |
Behavioral aspects of animal domestication |
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Year |
1984 |
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Q Rev Biol |
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59 |
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Equine Behaviour @ team @ Price1984 |
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6239 |
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