Search Results - "Pluhaček, Jan"

Stealing milk by young and reciprocal mothers: high incidence of allonursing in giraffes, Giraffa camelopardalis by Glonekova, Marketa, Brandlova, Karolina, Pluhacek, Jan

“…Allonursing, the nursing of nonfilial offspring, has been reported in a number of mammalian species; however, very few studies have investigated more than…”
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Further behavioural parameters support reciprocity and milk theft as explanations for giraffe allonursing by Gloneková, Markéta, Brandlová, Karolína, Pluháček, Jan

“…Suckling of a non-filial calf, or allosuckling, is an extreme case of allomaternal care in mammals. There have been many hypotheses postulated in an attempt to…”
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Does social facilitation affect suckling behaviour in zebras? by Levá, Michaela, Pluháček, Jan

“…•Zebra foals suckled longer when seeing another foal suckling too.•Synchronized suckling bouts were less often terminated by mothers.•Interspecific differences…”
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The effects of challenge or social buffering on cortisol, testosterone, and antler growth in captive red deer (Cervus elaphus) males by Bartoš, Luděk, Esattore, Bruno, Kotrba, Radim, Pluháček, Jan, Ceacero, Francisco, Komárková, Martina, Dušek, Adam, Bartošová, Jitka

“…We equipped 17 captive red deer males ( Cervus elaphus ) with GPS collars to measure inter-individual distances throughout the 5-months of the antler growth…”
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Bruce effect, pregnancy block and disruption or feticide: proposal of a new term ‘effect of nonsire male's presence’ by Bartoš, Luděk, Putman, Rory, Pluháček, Jan, Dušek, Adam, Bartošová, Jitka

“…•There is a debate about the definition of the so-called ‘Bruce effect’.•The original definition has been challenged.•We propose a new neutral term, ‘Effect of…”
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Male-free environment prevents pregnancy disruption in domestic horse mares mated away of home by Bartoš, Luděk, Bartošová, Jitka, Pluháček, Jan

“…•We analysed data of mares mated away and returned home.•We checked the effect of different exposure of returned mares to males on pregnancy.•Disruption of…”
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Not just for males: Flehmen as a tool for detection of reproductive status and individual recognition across sexes in four African equid species by Pluháček, Jan, Tučková, Vladimíra, King, Sarah R.B.

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Giraffe males have longer suckling bouts than females by Gloneková, Markéta, Brandlová, Karolína, Pluháček, Jan

“…In polygynous mammals, females are expected to bias maternal investment in favor of male calves. The mother should invest more in males to enhance their…”
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How to escape male infanticide: mechanisms for avoiding or terminating pregnancy in mammals by Bartoš, Luděk, Dušek, Adam, Bartošová, Jitka, Pluháček, Jan, Putman, Rory

“…The phenomenon whereby pregnancy may be inhibited or terminated when a female is exposed to non‐sire males after mating is often, and rather generally,…”
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Overmarking behaviour of zebra males: no scent masking, but a group cohesion function across three species by Pluháček, Jan, Tučková, Vladimíra, King, Sarah R. B.

“…Among many hypotheses in the literature that explain overmarking in mammals, most studies favour a sexual selection hypothesis. However, results in the…”
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Why wait to mark? Possible reasons behind latency from olfactory exploration to overmarking in four African equid species by Pluháček, Jan, Tučková, Vladimíra, Šárová, Radka, King, Sarah R. B.

“…Whereas most studies on overmarking in mammals analysed the rate of overmarking, that those investigate time between exploration of an olfactory stimulus and…”
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To beat or not to beat: Behavioral plasticity during the antler growth period affects cortisol but not testosterone concentrations in red deer (Cervus elaphus) males by Esattore, Bruno, Villagrán, Matías, Pluháček, Jan, Komárková, Martina, Dušek, Adam, Kotrba, Radim, Bartošová, Jitka, Bartoš, Luděk

“…•Red deer males choose between two different “fighting-prone” strategies.•The strategies, rooted in the nature of the animals, seem due to personality…”
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Ivermectin decreases parasite load, testosterone, and potentially antler length in a group of captive red deer males (Cervus elaphus) by Esattore, Bruno, Buczek, Mateusz, Dušek, Adam, Kotrba, Radim, Pluháček, Jan, Ceacero, Francisco, Komárková, Martina, Bartošová, Jitka, Radwan, Jacek, Bartoš, Luděk

“…Secondary sex traits (SSTs) can favour males in intra-sexual competition, allowing females to reliably assess their quality. They can also be connected to…”
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Personality in Free-Ranging Hanuman Langur (Semnopithecus entellus) Males: Subjective Ratings and Recorded Behavior by Konečná, Martina, Lhota, Stanislav, Weiss, Alexander, Urbánek, Tomáš, Adamová, Tereza, Pluháček, Jan

“…The authors obtained behavioral observations and personality ratings for 27 free-ranging Hanuman langur males. Subjects were rated using a questionnaire based…”
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Higher maternal care and tolerance in more experienced giraffe mothers by Gloneková, Markéta, Brandlová, Karolína, Pluháček, Jan

“…Maternal investment and maternal care provided by mammalian females can change during their ontogeny. Differences may be related to the age and/or experience…”
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First records of preorbital gland opening in rare wild barasingha (Rucervus duvaucelii) in social contexts may help to explain this phenomenon in cervids by Pluháček, Jan, Ceacero, Francisco, Lupták, Peter

“…•We reported for the first time preorbital gland opening in barasingha (Rucervus duvaucelii).•The gland was opened during copulation (first record in cervids)…”
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Promiscuous behaviour disrupts pregnancy block in domestic horse mares by Bartos, Ludk, Bartosova, Jitka, Pluhacek, Jan, Sindelarova, Jana

“…Based on questionnaires from horse breeders, we found that bringing a pregnant mare which had been mated away from home into a vicinity of a familiar male who…”
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Test of four hypotheses to explain the function of overmarking in foals of four equid species by Pluháček, Jan, Tučková, Vladimíra, King, Sarah R. B., Šárová, Radka

“…Overmarking occurs when one individual places its scent mark directly on top of the scent mark of another individual. Although it is almost ubiquitous among…”
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Concurrent lactation and pregnancy: pregnant domestic horse mares do not increase mother-offspring conflict during intensive lactation by Bartosová, Jitka, Komárková, Martina, Dubcová, Jana, Bartos, Ludek, Pluhácek, Jan

“…Lactation is the most energy demanding part of parental care in mammals, so parent-offspring conflict arises over milk provided by the mother. In some species…”
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A case of female-perpetrated infanticide in captive white-lipped deer (Cervus albirostris) by Král, Pavel, Bukovský, Jiří, Pluháček, Jan, Voldřichová, Marie, Robovský, Jan

“…Although infanticide is widespread among mammals, this phenomenon in ungulates, and more specifically in cervids, remains very rare. We report a case of…”
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