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Author  |
Zhao, C.J.; Qin, Y.H.; Lee, X.H.; Wu, C. |
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Title |
Molecular and cytogenetic paternity testing of a male offspring of a hinny |
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Journal Article |
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Year |
2006 |
Publication |
Journal of Animal Breeding and Genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie |
Abbreviated Journal |
J Anim Breed Genet |
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Volume |
123 |
Issue |
6 |
Pages |
403-405 |
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Keywords |
Animals; Cytogenetic Analysis; DNA, Mitochondrial/genetics; Equidae/*genetics; Female; Horses/genetics; Hybridization, Genetic; Male; Microsatellite Repeats; Pedigree; Protamines/genetics; Sexual Behavior, Animal |
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Abstract |
An alleged male foal of a female mule, whose sire and grandparents were unknown, was identified for its pedigree. Parentage testing was conducted by comparing polymorphism of 12 microsatellite DNA sites and mitochondrial D-loop sequences of the male foal and the female mule. Both the sequence analysis of species-specific DNA fragments and a cytogenetic analysis were performed to identify the species of the foal and its parents. The results showed that the alleged female mule is actually a hinny, and the male foal, which possesses 62 chromosomes, qualifies as an offspring of the female hinny and a jack donkey. |
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Equine Center, China Agricultural University, Beijing, China |
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English |
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ISSN |
0931-2668 |
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PMID:17177697 |
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Serial |
1846 |
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Author |
Zhang, T.-Y.; Parent, C.; Weaver, I.; Meaney, M.J. |
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Title |
Maternal programming of individual differences in defensive responses in the rat |
Type |
Journal Article |
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Year |
2004 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1032 |
Issue |
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Pages |
85-103 |
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Keywords |
Adaptation, Biological; Aggression/*physiology; Animals; Evolution; Female; Gene Expression/physiology; Humans; Individuality; *Maternal Behavior; Phenotype; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Stress, Psychological/physiopathology |
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Abstract |
This paper describes the results of a series of studies showing that variations in mother-pup interactions program the development of individual differences in behavioral and endocrine stress responses in the rat. These effects are associated with altered expression of genes in brain regions, such as the amygdala, hippocampus, and hypothalamus, that regulate the expression of stress responses. Studies from evolutionary biology suggest that such “maternal effects” are common and often associated with variations in the quality of the maternal environment. Together these findings suggest an epigenetic process whereby the experience of the mother alters the nature of the parent-offspring interactions and thus the phenotype of the offspring. |
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McGill Program for the Study of Behavior, Genes and Environment, Douglas Hospital Research Centre, Department of Psychiatry, McGill University, 6875 boul. LaSalle, Montreal (Quebec), Canada H4H 1R3 |
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0077-8923 |
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Notes |
PMID:15677397 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4132 |
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Author |
Zentall, T.R.; Hogan, D.E.; Edwards, C.A.; Hearst, E. |
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Title |
Oddity learning in the pigeon as a function of the number of incorrect alternatives |
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Journal Article |
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Year |
1980 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
6 |
Issue |
3 |
Pages |
278-299 |
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Keywords |
Animals; Choice Behavior; *Color Perception; Columbidae; *Discrimination Learning |
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Abstract |
Pigeons' rate of learning a two-color oddity task increased as a function of the number of incorrect alternatives from 2 to 24 in Experiments 1, 2, and 3. In general, pigeons that were transferred from many-incorrect-alternative to two-incorrect-alternative oddity performed better than controls, but considerably below baseline (Experiments 2 and 3). In Experiment 4, pigeons showed no unconditioned tendency to peck the odd stimulus among 24 incorect alternatives, when pecks were nondifferentially reinforced, and in Experiment 5, when this procedure was preceded by oddity training, a progressive drop in odd-stimulus pecking was found. In Experiment 6, pigeons exposed to a nine-stimulus array in which the odd stimulus appeared (a) in the center or (b) separate from the array learned faster than when the odd stimulus was at the edge. This outcome suggests ththe figure-ground relation between the odd stimulus and the incorrect alternatives plays a role in the facilitation produced by increasing the number of incorrect alternatives but that poor performance on the standard, three-alternative oddity task appears to be due to center-odd trials which provide a difficult size or number discrimination. |
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0097-7403 |
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Notes |
PMID:7391753 |
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Call Number |
refbase @ user @ |
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268 |
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Author |
Zentall, S.S.; Zentall, T.R.; Barack, R.C. |
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Title |
Distraction as a function of within-task stimulation for hyperactive and normal children |
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Journal Article |
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Year |
1978 |
Publication |
Journal of learning disabilities |
Abbreviated Journal |
J Learn Disabil |
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Volume |
11 |
Issue |
9 |
Pages |
540-548 |
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Keywords |
*Attention; Child; Child, Preschool; Color Perception; Female; Humans; Hyperkinesis/*psychology; Male; Motor Skills; *Task Performance and Analysis; Visual Perception |
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0022-2194 |
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PMID:731119 |
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refbase @ user @ |
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270 |
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Author |
Zeitler-Feicht, M. H.; Walker, S.; Buxade, C.; Reiter, K. |
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Title |
Untersuchungen verschiedener Formen der Heuvorlage bei Pferden unter ethologischem Aspekt |
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Book Chapter |
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Year |
2004 |
Publication |
KTBL Schriften |
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Volume |
437 |
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Equine Behaviour @ team @ |
Serial |
5764 |
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Author |
Zehnder, A.M.; Ramer, J.C.; Proudfoot, J.S. |
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Title |
The use of altrenogest to control aggression in a male Grant's Zebra (Equus burchelli boehmi) |
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Journal Article |
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Year |
2006 |
Publication |
Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians |
Abbreviated Journal |
J Zoo Wildl Med |
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37 |
Issue |
1 |
Pages |
61-63 |
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Keywords |
Aggression/*drug effects; Animals; Animals, Zoo; Behavior, Animal/*drug effects; Dose-Response Relationship, Drug; Equidae/*physiology; Female; Horses; Male; Treatment Outcome; Trenbolone/*analogs & derivatives/therapeutic use |
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Abstract |
A male Grant's Zebra (Equus burchelli boehmi) housed with two mares at the Indianapolis Zoo had a 9-yr history of intermittent aggressive behavior toward mares and other animals. Periods of separation allowed the mares time to heal after sustaining superficial bite wounds. On 26 March 2003, the male (890293) was started on altrenogest at a dosage of 19.8 mg orally once daily to allow reintroduction. The dosage was doubled (40 mg once a day) because of a perceived lack of response. Reintroduction to the mares occurred on 17 May 2003 with no signs of aggression noted. Treatment was reduced to 19.8 mg orally once a day and then discontinued. Altrenogest was restarted at 39.5 mg orally once a day because of the planned introduction of a new mare. There have been no major aggressive displays at this dosage of altrenogest and the dosage has recently been reduced following successful introduction of a new mare. |
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Address |
University of Florida, 2015 SW 16th Street, Gainesville, Florida 32610, USA |
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1042-7260 |
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Notes |
PMID:17312816 |
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Serial |
1772 |
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Author |
Zaine, L.; Ferreira, C.; de O. S. Gomes, M.; Monti, M.; Tortola, L.; Vasconcellos, R.S.; Carciofi, A.C. |
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Title |
Faecal IgA concentration is influenced by age in dogs |
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Journal Article |
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Year |
2011 |
Publication |
British Journal of Nutrition |
Abbreviated Journal |
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Volume |
106 |
Issue |
Supplement S1 |
Pages |
S183-S186 |
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Keywords |
Ageing, Immunology, Mucosal immunity, Puppies |
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Abstract |
Data comparing age-related alterations in faecal IgA concentrations of dogs are not available in the literature. The present study aimed to
compare the faecal concentrations of IgA in puppies, mature and senior dogs. A total of twenty-four beagle dogs were used, including
eight puppies (5 months old, four females and four males), eight mature (4·6 years old, eight males) and eight senior dogs (10·6 years
old, three males and five females). Fresh faecal samples were collected from each dog for three consecutive days and pooled by
animal. After saline extraction, IgA content was measured by ELISA. Data were analysed by one-way ANOVA, and means were compared
with Tukey’s test (P,0·05). Results showed that puppies have lower faecal IgA concentrations than mature dogs (P,0·05); senior animals
presented intermediary results. The reduced faecal IgA concentration in puppies is consistent with the reduced serum and salivary IgA
concentrations reported previously, suggesting a reduced mucosal immunity in this age group. Although some studies have found an
increased serum IgA concentration in older dogs, this may differ from the intestinal secretion of IgA, which appears to be lower in
some senior animals (four of the eight dogs studied). |
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Equine Behaviour @ team @ |
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5993 |
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Author |
Zahn-Waxler, C. & Radke-Yarrow, M. |
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Title |
The development of altruism: Alternative research strategies. |
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Book Chapter |
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Year |
1982 |
Publication |
The development of prosocial behavior |
Abbreviated Journal |
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109-138 |
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Zahn-Waxler, C. & Radke-Yarrow, M. (1982) The development of altruism:
Alternative research strategies. In: The development of prosocial behavior, ed.
N. Eisenberg. Academic Press. [aSDP] |
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Academic Press |
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New York |
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Eisenberg, N. |
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Equine Behaviour @ team @ |
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5061 |
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Author |
Zaccaroni, M.; Passilongo, D.; Buccianti, A.; Dessi-Fulgheri, F.; Facchini, C.; Gazzola, A. |
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Title |
Group specific vocal signature in free- ranging wolf packs |
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Journal Article |
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2012 |
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Ethol Ecol Evol |
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24 |
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Equine Behaviour @ team @ Zaccaroni2012 |
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6470 |
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Author |
Zabel, C. J.; Glickman, S. E.; Frank, L. G.; Woodmansee, K. B.; Keppel, G. |
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Title |
Coalition formation in a colony of prepubertal spotted hyaenas |
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Book Chapter |
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Year |
1992 |
Publication |
Coalitions and Alliances in Humans and Other Animals |
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113–135 |
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Oxford University Press |
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Oxford |
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Harcourt, A.H.; de Waal, F.B.M. |
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Equine Behaviour @ team @ |
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5232 |
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