Rodent

Sleep patterns related to rearing rats in enriched and impoverished environments

Rats housed in groups in large, enriched versus alone in small, barren cages show brain changes indicative of enhanced cerebral activity.Single-caged rats consumed more pieces of food than their enriched littermates.

Year Published: 1973Animal Type: Rat, Rodent

Citation: Tagney, J. 1973. Sleep patterns related to rearing rats in enriched and impoverished environments. Brain Research 53, 353-361.

Nesting material as a reinforcer for female mice

Female mice will work by lever-pressing to gain access to nesting material.

Year Published: 1973Animal Type: Mouse, Rodent

Citation: Roper, T. J. 1973. Nesting material as a reinforcer for female mice. Animal Behaviour 21, 733-740.

Inter male fighting affected by home-cage odours of male and female mice

Odors deposited by female mice has an aggression buffering effect on males.

Year Published: 1973Animal Type: Mouse, Rodent

Citation: Mugford, R. G. 1973. Inter male fighting affected by home-cage odours of male and female mice. Journal of Comparative and Physiological Psychology 84, 289-295.

Behavioral effects of environmental enrichment in randomly bred mice

Lower open-field defecation was noted in enriched mice. Inanimate enrichment promoted body weight increase.

Year Published: 1973Animal Type: Mouse, Rodent

Citation: Manosevitz, M., Joel, U. 1973. Behavioral effects of environmental enrichment in randomly bred mice. Journal of Comparative and Physiological Psychology 85, 373-382.

Genetic analyses of nest building behavior in laboratory mice (Mus musculus)

A Mendelian genetic analysis and a diallel cross study were conducted to investigate nest-building behavior of inbred mice. The amount of cotton used to build nests was observed for 4 days when the mice were 8 weeks of age. Results...

Year Published: 1973Animal Type: Mouse, Rodent

Citation: Lee, C. T. 1973. Genetic analyses of nest building behavior in laboratory mice (Mus musculus). Behavior Genetics 3, 247-256.

Interaction motivates attraction: Rats are fond of fondling

In 3 separate experiments, 110 male albino Sprague-Dawley rats were given the opportunity to approach either a tethered stimulus rat or a responsive human hand. Ss were very attracted to the other rats but, when allowed to become familiar with...

Year Published: 1974Animal Type: Rat, Rodent

Citation: Werner, C., Latane, B. 1974. Interaction motivates attraction: Rats are fond of fondling. Journal of Personality and Social Psychology 29, 328-334.

Noise as an environmental problem

Audiogenic seizures, changes in parameters of the stress syndrome, and disturbance of acoustic communication in rodents are discussed as possible harmful effects of noise and evaluated in regard to standards published in Germany for man. These standards are insufficient to...

Year Published: 1974Animal Type: Rodent

Citation: Pfaff, J. 1974. Noise as an environmental problem. Laboratory Animals 8, 347-354.

Bedding preferences of mice over long-term confinement

Mice prefer aspen shaving bedding.

Year Published: 1974Animal Type: Mouse, Rodent

Citation: Mulder, J. B. 1974. Bedding preferences of mice over long-term confinement. Laboratory Animal Digest 9, 54-56.

Bedding selection by rats

Rats showed a preference for aspen shaving bedding

Year Published: 1974Animal Type: Rat, Rodent

Citation: Mulder, J. B. 1974. Bedding selection by rats. Laboratory Animal Digest 9, 27-30.

The effects of acute stress on the secretion of LH, FSH, prolactin and growth hormone in the normal male rat, with comments on their statistical evaluation

Restraint stress is associated with a significant rise in plasma prolactin and LH levels.

Year Published: 1974Animal Type: Rat, Rodent

Citation: Krulich, L., Hefco, E., Illner, P. et al. 1974. The effects of acute stress on the secretion of LH, FSH, prolactin and growth hormone in the normal male rat, with comments on their statistical evaluation. Neuroendocrinology 16, 291-311.