Records |
Author |
Cowley, J.J.; Griesel, R.D. |
Title |
The effect on growth and behaviour of rehabilitating first and second generation low protein rats |
Type |
Journal Article |
Year |
1966 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
Volume |
14 |
Issue |
4 |
Pages |
506-517 |
Keywords |
Animals; *Behavior, Animal; Diet Therapy; Dietary Proteins; Female; *Growth; Humans; Intelligence; Learning; Male; Mental Retardation/etiology; Protein Deficiency/*therapy; Rats |
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ISSN |
0003-3472 |
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Notes |
PMID:6008473 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4119 |
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Author |
Boice, R. |
Title |
Behavioral comparability of wild and domesticated rats |
Type |
Journal Article |
Year |
1981 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
Volume |
11 |
Issue |
5 |
Pages |
545-553 |
Keywords |
Animals; *Behavior, Animal; Female; Genetics, Behavioral; Intelligence; Learning; Male; Rats/*genetics |
Abstract |
The oft-repeated concern for the lack of behavioral comparability of domestic rats with wild forms of Rattus norvegicus is unfounded. Laboratory rats appear to show the potential for all wild-type behaviors, including the most dramatic social postures. Moreover, domestics are capable of assuming a feral existence without difficulty, one where they readily behave in a fashion indistinguishable from wild rats. The one behavioral difference that is clearly established concerns performance in laboratory learning paradigms. The superiority of domestics in these laboratory tasks speaks more to quieting the concerns of degeneracy theorists than to problems of using domestic Norway rats as subjects representative of their species. |
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ISSN |
0001-8244 |
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Notes |
PMID:7325955 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4144 |
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Author |
Graham, M.; Letz, R. |
Title |
Within-species variation in the development of ultrasonic signaling of preweanling rats |
Type |
Journal Article |
Year |
1979 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
Volume |
12 |
Issue |
2 |
Pages |
129-136 |
Keywords |
Animals; *Animals, Newborn; Animals, Suckling; Body Weight; Cold/adverse effects; Environment; Genotype; Individuality; Object Attachment; Rats; Stress/*physiopathology; Ultrasonics; *Vocalization, Animal |
Abstract |
The development of litter and individual differences in the rate of ultrasonic signaling of neonatal rats was studied. Systematic variations among litters and individuals emerged, without differential treatment. These differences were not correlated with variations in general development as indexed by body weight. Two experiments using a cross-fostering design showed that litter differences developed independently of variations in postnatal environment. These results indicate that the variations among litters in ultrasound rate have a prenatal, possibly genetic, etiology and may represent reliable indicants of response to environmental stress. |
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ISSN |
0012-1630 |
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Notes |
PMID:456751 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4172 |
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Author |
Jordan, J. |
Title |
[Modern views on the structure and function of the vomeronasal (Jacobson's) organ in mammals] |
Type |
Journal Article |
Year |
1970 |
Publication |
Otolaryngologia Polska. The Polish Otolaryngology |
Abbreviated Journal |
Otolaryngol Pol |
Volume |
24 |
Issue |
4 |
Pages |
457-462 |
Keywords |
Animals; Cats; Dogs; Guinea Pigs; Horses; Humans; Mice; Nasal Septum/anatomy & histology/blood supply/cytology/innervation/physiology; Nose/*anatomy & histology/blood supply/innervation/*physiology; Rabbits; Rats; Sheep; Smell |
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Polish |
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Original Title |
Obecne poglady na budowe i czynnosc narzadu lemieszowo-nosowego (Jacobsona) u ssakow |
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ISSN |
0030-6657 |
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Notes |
PMID:4918960 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4315 |
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Author |
[No authors listed] |
Title |
International Conference on Environmental Cadmium: an overview |
Type |
Conference Article |
Year |
1979 |
Publication |
Environmental Health Perspectives |
Abbreviated Journal |
Environ Health Perspect |
Volume |
28 |
Issue |
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Pages |
297-30 |
Keywords |
Animals; Cadmium/*toxicity; Cadmium Poisoning/metabolism; Congresses; Ecology; Environmental Exposure; Environmental Pollutants/*toxicity; Female; Forecasting; Haplorhini; Horses; Humans; Rats; Waste Disposal, Fluid |
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ISSN |
0091-6765 |
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Notes |
PMID:39745 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2694 |
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Author |
Byrne, T.; Sutphin, G.; Poling, A. |
Title |
Acquisition, extinction, and reacquisition of responding with delayed and immediate reinforcement |
Type |
Journal Article |
Year |
1998 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
Volume |
43 |
Issue |
1 |
Pages |
97-101 |
Keywords |
Acquisition; Delayed reinforcement; Extinction; Rats |
Abstract |
The present study investigated acquisition, extinction, and reacquisition of free-operant responding when rats' lever presses produced water after a resetting delay of 0, 10, 20, or 30 s. Results indicated that: (1) responding was acquired rapidly at all delays without shaping or autoshaping; (2) resistance to extinction was directly related to delay length and inversely related to intermittency of reinforcement; (3) responding acquired with delayed reinforcement recovered less rapidly from extinction, and was less efficient, than responding acquired with immediate reinforcement. Comparing these results with those of studies using discrete-trials and free-operant procedures with no reinforcement delay suggest that the specific conditions under which behavior is maintained determines, in part, the behavioral effects of delay and intermittency of reinforcement. |
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no |
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Equine Behaviour @ team @ |
Serial |
3601 |
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Author |
Steiner, M. |
Title |
Biomechanics of tendon healing |
Type |
Journal Article |
Year |
1982 |
Publication |
Journal of Biomechanics |
Abbreviated Journal |
J Biomech |
Volume |
15 |
Issue |
12 |
Pages |
951-958 |
Keywords |
Achilles Tendon/injuries; Animals; Biomechanics; Rats; Tendon Injuries/pathology/*physiopathology; Tensile Strength; Time Factors; *Wound Healing |
Abstract |
The biomechanics of tendon healing was investigated with unsutured rat achilles tendons. After two, three, and four weeks of healing tensile parameters were assayed with a bone-muscle-tendon-bone preparation elongated to failure at a controlled physiological strain rate. In the third week of healing, stiffness, strength, and energy absorbing capacity all increased approximately 50%. These changes correlated with early fibroplasia. In the fourth week of healing, strength, energy absorbing capacity and elongation to failure all increased relatively more than stiffness. Histologically, larger fibers with better longitudinal alignment developed during this period. At the end of four weeks the tendon's strength was approximately 25% of normal. To summarize, the return of stiffness in a healing tendon preparation correlated with the presence of fibroplasia and the return of other tensile parameters was a function of the amount and organization of the fibroplasia. |
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ISSN |
0021-9290 |
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Notes |
PMID:7166555 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4448 |
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Author |
Thor, D.H.; Holloway, W.R. |
Title |
Social memory of the male laboratory rat |
Type |
Journal Article |
Year |
1982 |
Publication |
Journal of Comparative and Physiological Psychology |
Abbreviated Journal |
J. Comp. Physiol. Psychol. |
Volume |
96 |
Issue |
6 |
Pages |
1000-1006 |
Keywords |
duration of social-investigatory behavior, measure of conspecific recognition &; social memory, male rats |
Abstract |
Used duration of social-investigatory behavior by 36 mature male Long-Evans rats as a measure of individual recognition in 5 experiments to assess social memory. In Exp I, the duration of social investigation during a 2nd exposure to the same juvenile (n[en space]=[en space]12) was directly related to the length of the interexposure interval. In Exp II, Ss were exposed to the same or different juvenile 10 min after an initial 5-min exposure to a novel juvenile; reexposure to the same juvenile elicited significantly less social investigation than an exposure to a different juvenile. Exps III and IV demonstrated that following a 5-min introductory exposure, social memory of the juvenile was relatively brief in comparison with that of mature Ss. Exp V revealed a retroactive interference effect on recently acquired memory for an individual: 12 mature Ss exposed to interpolated social experience engaged in significantly longer investigation of a juvenile than those with no interpolated social experience. The combined results suggest that (1) the rat normally engages in spontaneous learning of individual identity and (2) social memory may be a significant aspect of complex social interactions. (16 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved) |
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0021-9940 |
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Equine Behaviour @ team @ |
Serial |
5133 |
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Author |
Gil, M.; Bhatt, R.; Picotte, K.B.; Hull, E.M. |
Title |
Sexual experience increases oxytocin receptor gene expression and protein in the medial preoptic area of the male rat |
Type |
Abstract |
Year |
2013 |
Publication |
Psychoneuroendocrinology |
Abbreviated Journal |
Psychoneuroendocrinology |
Volume |
38 |
Issue |
9 |
Pages |
1688-1697 |
Keywords |
Oxytocin; Oxytocin receptor; Sexual behavior; Sexual experience; Medial preoptic area; Hypothalamus; Rats |
Abstract |
Oxytocin (OT) promotes social and reproductive behaviors in mammals, and OT deficits may be linked to disordered social behaviors like autism and severe anxiety. Male rat sexual behavior is an excellent model for OT regulation of behavior, as its pattern and neural substrates are well characterized. We previously reported that OT microinjected into the medial preoptic area (MPOA), a major integrative site for male sexual behavior, facilitates copulation in sexually experienced male rats, whereas intra-MPOA injection of an OT antagonist (OTA) inhibits copulation. In the present studies, copulation on the day of sacrifice stimulated OTR mRNA expression in the MPOA, irrespective of previous sexual experience, with the highest levels observed in first-time copulators. In addition, sexually experienced males had higher levels of OTR protein in the MPOA than sexually naïve males and first-time copulators. Finally, intra-MPOA injection of OT facilitated mating in sexually naive males. Others have reported a positive correlation between OT mRNA levels and male sexual behavior. Our studies show that OT in the MPOA facilitates mating in both sexually naive and experienced males, some of the behavioral effects of OT are mediated by the OTR, and sexual experience is associated with increased OTR expression in the MPOA. Taken together, these data suggest a reciprocal interaction between central OT and behavior, in which OT facilitates copulation and copulation stimulates the OT/OTR system in the brain. |
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Pergamon Press. |
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0306-4530 |
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Equine Behaviour @ team @ S0306-4530(13)00040-1 |
Serial |
5724 |
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Author |
Yokoyama, S.; Radlwimmer, F.B. |
Title |
The molecular genetics of red and green color vision in mammals |
Type |
Journal Article |
Year |
1999 |
Publication |
Genetics |
Abbreviated Journal |
Genetics |
Volume |
153 |
Issue |
2 |
Pages |
919-932 |
Keywords |
Amino Acid Sequence; Animals; Base Sequence; COS Cells; Cats; Color Perception/*genetics; DNA Primers; Deer; Dolphins; *Evolution, Molecular; Goats; Guinea Pigs; Horses; Humans; Mammals/*genetics/physiology; Mice; Molecular Sequence Data; Opsin/biosynthesis/chemistry/*genetics; *Phylogeny; Rabbits; Rats; Recombinant Proteins/biosynthesis; Reverse Transcriptase Polymerase Chain Reaction; Sciuridae; Sequence Alignment; Sequence Homology, Amino Acid; Transfection |
Abstract |
To elucidate the molecular mechanisms of red-green color vision in mammals, we have cloned and sequenced the red and green opsin cDNAs of cat (Felis catus), horse (Equus caballus), gray squirrel (Sciurus carolinensis), white-tailed deer (Odocoileus virginianus), and guinea pig (Cavia porcellus). These opsins were expressed in COS1 cells and reconstituted with 11-cis-retinal. The purified visual pigments of the cat, horse, squirrel, deer, and guinea pig have lambdamax values at 553, 545, 532, 531, and 516 nm, respectively, which are precise to within +/-1 nm. We also regenerated the “true” red pigment of goldfish (Carassius auratus), which has a lambdamax value at 559 +/- 4 nm. Multiple linear regression analyses show that S180A, H197Y, Y277F, T285A, and A308S shift the lambdamax values of the red and green pigments in mammals toward blue by 7, 28, 7, 15, and 16 nm, respectively, and the reverse amino acid changes toward red by the same extents. The additive effects of these amino acid changes fully explain the red-green color vision in a wide range of mammalian species, goldfish, American chameleon (Anolis carolinensis), and pigeon (Columba livia). |
Address |
Department of Biology, Syracuse University, Syracuse, New York 13244, USA. syokoyam@mailbox.syr.edu |
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0016-6731 |
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PMID:10511567 |
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no |
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Equine Behaviour @ team @ |
Serial |
4063 |
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