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Author Harrington, F.H.; Mech, L.D. url  doi
openurl 
  Title Wolf howling and its role in territory maintenance Type Journal Article
  Year 1979 Publication Behaviour Abbreviated Journal  
  Volume 68 Issue Pages  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Harrington1979 Serial 6455  
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Author Fiske, J.C.; Potter, G.D. url  doi
openurl 
  Title Discrimination reversal learning in yearling horses Type Journal Article
  Year 1979 Publication J. Anim. Sci. Abbreviated Journal J. Anim. Sci.  
  Volume 49 Issue 2 Pages 583-588  
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  Abstract Twenty-six yearling horses were tested on a serial reversal learning discrimination combining spatial and brightness cues. An original discrimination of rewarded or nonrewarded stimuli was made followed by 20 daily reversals for position/brightness discrimination. Learning criteria were defined as 11 out of 12 correct, with the last eight responses all correct. Each horse was allowed 30 trials per discrimination to achieve criteria. Mean errors (ME) and mean trials (MT) required to achieve criteria were computed for each horse. A relative learning ability index (LAI) was calculated by the formula 1000/MT/ME. A daily emotionality score, based on a scale of one (tranquil) to six (very excitable) was assigned each horse each day after testing and a mean computed for each horse. A single subjective trainability score, based on a scale of one (difficult to train) to six (easy to train) was obtained for each horse from an independent trainer. Linear regression analyses for all 26 horses revealed a reduction in MT and ME (P<.01) over the 21-day test period indicating evidence of learning to learn. Differences (P<.05) were evident between sexes for MT and ME. Significant correlations between trainability scores and learning ability indices MT, ME, and LAI were evident for colts and geldings but not for fillies. Pooled data showed significant correlations between ME and trainability. There was a negative correlation (P<.05) between emotionality and trainability scores for all 26 horses, although the filly group did not exhibit significant correlation between these parameters.  
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  Notes Cited By (since 1996): 31; Export Date: 24 October 2008 Approved no  
  Call Number Admin @ knut @ Serial 4583  
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Author Asa, C.S.; Goldfoot, D.A.; Ginther, O.J. url  doi
openurl 
  Title Sociosexual behavior and the ovulatory cycle of ponies (Equus caballus) observed in harem groups Type Journal Article
  Year 1979 Publication Hormones and Behavior Abbreviated Journal Horm Behav  
  Volume 13 Issue 1 Pages 49-65  
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  Abstract Observations of sociosexual behavior of adult ponies, made on two harem groups (each comprised of one vasectomized male and three females), were correlated with follicular development and ovulation for a total of 15 cycles (minimum of 2 cycles per female). Mean cycle length (interovulatory interval) was found to be 19.7 days, with behavioral estrus lasting 7-8 days (5.5 days preovulatory; 2.3 days postovulatory). Estrous females typically showed increased frequencies of approaching and following the stallion, urinating, presenting, clitoral winking, and tail raising. Approaching and following the stallion appeared earlier and persisted longer than other estrous responses. Deviations from the modal estrous pattern included cycles with subestrus, continual estrus, behavioral estrus in the absence of ovulation, and displays of female mounting. Dominance tests revealed that a mare's status was unaffected by the phases of the estrous cycle. The presence of more than one estrous female affected the copulatory performance of both stallions, most notably in reduced latencies to first mount, intromission, and ejaculation, in spite of differences between the stallions in sexual vigor. Each stallion usually selected the dominant mare for copulation when there were multiple estrous females present, but mounts were not displayed exclusively to one female per test. The social testing situation made apparent the importance of use of space in sociosexual communication in this species, particularly in avoidance of the stallion by diestrous mares and standing alone or in proximity to him by estrous mares.  
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  ISSN 0018-506x ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5363  
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Author Duncan, P.; Vigne, N. url  doi
openurl 
  Title The effect of group size in horses on the rate of attacks by blood-sucking flies Type Journal Article
  Year 1979 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 27 Issue Part 2 Pages 623-625  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 763  
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Author Holm, S. url  openurl
  Title A simple sequentially rejective multiple test procedure Type Journal Article
  Year 1979 Publication Scandinavian Journal of Statistics Abbreviated Journal Scand J Stat  
  Volume 6 Issue 2 Pages 65-70  
  Keywords statistical_tests  
  Abstract This paper presents a simple and widely applicable multiple test procedure of the sequentially rejective type, i.e. hypotheses are rejected one at a time until no further rejections can be done. It is shown that the test has a prescribed level of significance protection against error of the first kind for any combination of true hypotheses. The power properties of the test and a number of possible applications are also discussed.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ citeulike:4294367 Serial 5005  
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Author Kordal, R.J.; Parsons, S.M. url  openurl
  Title Liver alcohol dehydrogenase subunit equivalence studied by rapid sampling of alcohol product formed from sequentially bound [4α-3H]NADH Type Journal Article
  Year 1979 Publication Archives of Biochemistry and Biophysics Abbreviated Journal  
  Volume 194 Issue 2 Pages 439-448  
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  Abstract Horse liver alcohol dehydrogenase has been claimed to exhibit presteady-state “half-of-the-sites” reactivity with aromatic substrates under some circumstances. To clarify the role of half-of-the-sites reactivity in liver alcohol dehydrogenase the direct sampling of the alcohol product formed immediately after initiation of the reaction was studied using a rapid sampling device and [4α-3H]NADH. Liver alcohol dehydrogenase which contained a very low mole-ratio of [4α-3H]NADH bound to one subunit of the dimer was rapidly mixed with excess 4-(2'-imidazolylazo)benzaldehyde substrate and nonradioactive NADH to initiate the reaction, which was allowed to proceed for a short time before it was quenched. If strong HClO4 quench was used isolation of total free and bound azoalcohol product was possible. If NaOH quench was used isolation only of the azoalcohol product released by the enzyme was possible since most enzyme-bound azoalcohol was reversed back to azoaldehyde by the base. The pH-jump reversal reaction also was characterized spectroscopically by stopped flow technique. Nearly fullsites reactivity was observed for reaction in either direction. Furthermore (4α-3H]NADH bound firstly to one subunit in the dimer reacted essentially identically to NADH bound secondly to the other subunit. Thus, half-of-the-sites reactivity was not observed in these experiments nor did they give any indication of liver alcohol dehydrogenase active site nonequivalence induced by coenzyme binding or reaction.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3983  
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Author Roberts, J.; Kacelnik, A.; Hunter, M.L. url  openurl
  Title A model of sound interference in relation to acoustic communication Type Journal Article
  Year 1979 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 27 Issue Part 4 Pages 1271-1273  
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  Notes Approved no  
  Call Number Serial 2124  
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Author Powell, R.A. url  openurl
  Title The dog: Its domestication and behavior : By . New York: Garland STPM Press (1978). 296 pp. $24.50 Type Journal Article
  Year 1979 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 27 Issue Part 1 Pages 318-1211  
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  Notes Approved no  
  Call Number Serial 2146  
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Author Kacelnik, A. url  doi
openurl 
  Title The foraging efficiency of great tits (Parus major L.) in relation to light intensity Type Journal Article
  Year 1979 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 27 Issue Part 1 Pages 237-241  
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  Abstract I report an experiment aimed at testing whether foraging efficiency of great tits is limited by light intensity at the time of the dawn chorus. Captive great tits hunting for prey under different luminance conditions were less successful in finding prey when foraging, hunted for a lower proportion of their time, and handled individual prey items for longer when luminance was under approximately 7 cd/m2. This luminance is not reached in the field until after the time of the dawn chorus, suggesting that in the early morning foraging is limited by light intensity. I suggest that a satisfactory functional explanation of the dawn chorus must take into account the comparatively low foraging opportunity early in the morning, as well as the factors affecting the opportunity for singing and other territorial activities.  
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  Notes Approved no  
  Call Number Serial 2125  
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Author Clutton-Brock, T.H.; Albon, S.D.; Gibson, R.M.; Guinness, F.E. url  doi
openurl 
  Title The logical stag: Adaptive aspects of fighting in red deer (Cervus elaphus L.) Type Journal Article
  Year 1979 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 27 Issue Part 1 Pages 211-225  
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  Abstract For red deer stags, fighting both has appreciable costs and yields considerable benefits. Up to 6% of rutting stags are permanently injured each year, while fighting success and reproductive success are closely related, within age groups as well as across them. Fighting behaviour is sensitive to changes in the potential benefits of fighting: stags fight most frequently and most intensely where potential benefits are high and tend to avoid fighting with individuals they are unlikely to beat. The relevance of these findings to theoretical models of fighting behaviour is discussed.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 860  
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