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Aragona F, Fazio F, Piccione G, Giannetto C. Chronophysiology of domestic animals. Chronobiol Int 2024; 41:888-903. [PMID: 38832548 DOI: 10.1080/07420528.2024.2360723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Accepted: 05/19/2024] [Indexed: 06/05/2024]
Abstract
This review highlights recent findings on biological rhythms and discusses their implications for the management and production of domestic animals. Biological rhythms provide temporal coordination between organs and tissues in order to anticipate environmental changes, orchestrating biochemical, physiological and behavioural processes as the right process may occur at the right time. This allows animals to adapt their internal physiological functions, such as sleep-wake cycles, body temperature, hormone secretion, food intake and regulation of physical performance to environmental stimuli that constantly change. The study and evaluation of biological rhythms of various physiological parameters allows the assessment of the welfare status of animals. Alteration of biological rhythms represents an imbalance of the state of homeostasis that can be found in different management conditions.
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Affiliation(s)
- Francesca Aragona
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Francesco Fazio
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Giuseppe Piccione
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Claudia Giannetto
- Department of Veterinary Sciences, University of Messina, Messina, Italy
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Dubiner S, Namir I, Chen R, Levin E. Distance from human settlements favors wild-type appearance of feral cats ( Felis catus) in Mediterranean woodland. Ecol Evol 2023; 13:e10261. [PMID: 37404701 PMCID: PMC10316376 DOI: 10.1002/ece3.10261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 07/06/2023] Open
Abstract
Camouflage is a common trait enabling animals to avoid detection by predators and prey. Patterns such as spots and stripes are convergent across carnivore families, including felids, and are hypothesized to have adaptive value through camouflage. House cats (Felis catus) were domesticated thousands of years ago, but despite artificial selection for a wide variety of coat colors, the wild-type pattern of tabby cats is very common. We aimed to determine whether this pattern grants an advantage over other morphs in natural environments. We collected cat images taken with camera traps in natural areas near and far from 38 rural settlements in Israel, to compare the habitat use by feral cats of different colors. We tested the effect of proximity to villages and habitat vegetation (normalized difference vegetation index, NDVI) on the probability of space use by the tabby morph compared to the others. NDVI had a positive effect on site use in both morphs, but non-tabby cats had a 2.1 higher probability of using the near sites than the far sites, independent of NDVI. The wild-type tabby cats' probability of site use were equally likely to be unaffected by proximity, or have an interaction of proximity with NDVI whereby the far transects are used with increasing probability in sites of denser vegetation. We hypothesize that the camouflage of tabby cats, more than other colors and patterns, confers an advantage in roaming the woodland habitats for which this pattern evolved. This has both theoretical implications as rare empirical evidence of the adaptive value of fur coloration, and practical implications on managing the ecological impact of feral cats worldwide.
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Affiliation(s)
| | - Itai Namir
- Hamaarag—Israel's National Nature Assessment Program, The Steinhardt Museum of Natural HistoryTel Aviv UniversityTel AvivIsrael
| | - Ron Chen
- Hamaarag—Israel's National Nature Assessment Program, The Steinhardt Museum of Natural HistoryTel Aviv UniversityTel AvivIsrael
| | - Eran Levin
- School of ZoologyTel Aviv UniversityTel AvivIsrael
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Parker M, Serra J, Deputte BL, Ract-Madoux B, Faustin M, Challet E. Comparison of Locomotor and Feeding Rhythms between Indoor and Outdoor Cats Living in Captivity. Animals (Basel) 2022; 12:2440. [PMID: 36139300 PMCID: PMC9494968 DOI: 10.3390/ani12182440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/02/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
The plastic nature of cat behaviour allows this “friendly symbiont” of humans to adapt to various housing conditions. Beyond daylight, one could wonder if other environmental factors affect its patterns. Yet, how its activity and feeding rhythms are impacted by its environment is rarely studied in standardised conditions between populations. We compared the behaviour of cats living in a 29 m2 indoor room and cats living in a 1145 m2 outdoor enclosure, tracking them simultaneously in summer for 21 days, with advanced technologies. Both populations received daylight but weather fluctuations only occurred outdoors. Bimodality was detected in the activity and feeding rhythms of both groups, while twilight triggered crepuscular peaks. Daily, the outdoor population covered more distance (4.29 ± 0.27 km; p < 0.001) and consumed more food (67.44 ± 2.65 g; p < 0.05) than the indoor population (2.33 ± 0.17 km, 57.75 ± 2.85 g, respectively), but displayed less rhythmic behaviours, assumedly because of rhythm disruptors met only in outdoor conditions. Finally, outdoor housing seemed to promote the exploratory behaviour of the cats at night, while indoor housing increased both meal frequency (p = 0.063) and the impact of human interactions on the feeding rhythms of the cats.
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Affiliation(s)
- Marine Parker
- Institut des Neurosciences Cellulaires et Intégratives (INCI), CNRS, Université de Strasbourg, 8 Allée du Général Rouvillois, 67000 Strasbourg, France
| | - Jessica Serra
- Royal Canin Research Center, 650 Avenue de la Petite Camargue, 30470 Aimargues, France
| | - Bertrand L. Deputte
- Ecole Nationale Vétérinaire d’Alfort (ENVA), 7 Avenue du Général de Gaulle, 94700 Maisons-Alfort, France
| | | | - Marie Faustin
- Royal Canin Research Center, 650 Avenue de la Petite Camargue, 30470 Aimargues, France
| | - Etienne Challet
- Institut des Neurosciences Cellulaires et Intégratives (INCI), CNRS, Université de Strasbourg, 8 Allée du Général Rouvillois, 67000 Strasbourg, France
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Cerutti RD, Scaglione MC, Sciabarrasi AA, Piccione G, Pennisi M, Giannetto C. Role of light/dark schedules on daily pattern of total locomotor activity in wild and domestic felids. J Vet Behav 2022. [DOI: 10.1016/j.jveb.2022.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Refinetti R. Circadian rhythmicity of body temperature and metabolism. Temperature (Austin) 2020; 7:321-362. [PMID: 33251281 PMCID: PMC7678948 DOI: 10.1080/23328940.2020.1743605] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 12/19/2022] Open
Abstract
This article reviews the literature on the circadian rhythms of body temperature and whole-organism metabolism. The two rhythms are first described separately, each description preceded by a review of research methods. Both rhythms are generated endogenously but can be affected by exogenous factors. The relationship between the two rhythms is discussed next. In endothermic animals, modulation of metabolic activity can affect body temperature, but the rhythm of body temperature is not a mere side effect of the rhythm of metabolic thermogenesis associated with general activity. The circadian system modulates metabolic heat production to generate the body temperature rhythm, which challenges homeothermy but does not abolish it. Individual cells do not regulate their own temperature, but the relationship between circadian rhythms and metabolism at the cellular level is also discussed. Metabolism is both an output of and an input to the circadian clock, meaning that circadian rhythmicity and metabolism are intertwined in the cell.
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Affiliation(s)
- Roberto Refinetti
- Department of Psychology, University of New Orleans, New Orleans, LA, USA
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Antonio SB, Cerutti RD, Scaglione MC, Piccione G, Refinetti R. Daily rhythmicity of behavior of nine species of South American feral felids in captivity. Physiol Behav 2017; 180:107-112. [PMID: 28842189 DOI: 10.1016/j.physbeh.2017.08.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Revised: 08/20/2017] [Accepted: 08/21/2017] [Indexed: 11/18/2022]
Abstract
The authors analyzed the daily activity rhythms of the domestic cat and of eight of the ten feral felid species that are indigenous to South America. All species showed daily rhythmicity of activity in captivity under a natural light-dark cycle. The robustness of the rhythmicity varied from species to species, but the grand mean of 34% was within the range of robustness previously described for mammalian species ranging in size from mice to cattle. There was not a sharp division between diurnal and nocturnal felids. Instead, what was found was a gradient of diurnality going from the predominantly nocturnal margay (72% of activity counts during the night) to the predominantly diurnal jaguarundi (87% of activity counts during the day) with the remaining species lying in between these two extremes. The ecological implications of temporal niche variations are discussed.
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Affiliation(s)
- Sciabarrasi Bagilet Antonio
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 3000 Santa Fe, Argentina; Estación Biológica Experimental Granja La Esmeralda, 3000 Santa Fe, Argentina
| | - Raúl Delmar Cerutti
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 3000 Santa Fe, Argentina
| | | | - Giuseppe Piccione
- Laboratorio di Cronofisiologia Veterinaria, Dipartimento di Scienze Veterinarie, Università degli Studi di Messina, 98168 Messina, Italy
| | - Roberto Refinetti
- Circadian Rhythm Laboratory, Department of Psychological Science, Boise State University, Boise, ID 83725, USA.
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Abstract
Animals, plants, and microorganisms exhibit numerous biological rhythms that are generated by numerous biological clocks. This article summarizes experimental data pertinent to the often-ignored issue of integration of multiple rhythms. Five contexts of integration are discussed: (i) integration of circadian rhythms of multiple processes within an individual organism, (ii) integration of biological rhythms operating in different time scales (such as tidal, daily, and seasonal), (iii) integration of rhythms across multiple species, (iv) integration of rhythms of different members of a species, and (v) integration of rhythmicity and physiological homeostasis. Understanding of these multiple rhythmic interactions is an important first step in the eventual thorough understanding of how organisms arrange their vital functions temporally within and without their bodies.
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Affiliation(s)
- Roberto Refinetti
- Circadian Rhythm Laboratory, University of South Carolina, Walterboro, South Carolina, USA.
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Brook LA, Johnson CN, Ritchie EG. Effects of predator control on behaviour of an apex predator and indirect consequences for mesopredator suppression. J Appl Ecol 2012. [DOI: 10.1111/j.1365-2664.2012.02207.x] [Citation(s) in RCA: 161] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Leila A. Brook
- School of Marine and Tropical Biology; James Cook University; Townsville; QLD; 4811; Australia
| | | | - Euan G. Ritchie
- School of Life and Environmental Sciences; Deakin University; Burwood; VIC; 3125; Australia
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Abstract
Biological rhythms and their temporal organization are adaptive phenomena to periodic changes in environmental factors linked to the earth's rotation on its axis and around the sun. Experimental data from the plant and animal kingdoms have led to many models and concepts related to biological clocks that help describe and understand the mechanisms of these changes. Many of the prevailing concepts apply to all organisms, but most of the experimental data are insufficient to explain the dynamics of human biological clocks. This review presents phenomena thai are mainly characteristic ofand unique to - human chronobiology, and which cannot be fully explained by concepts and models drawn from laboratory experiments. We deal with the functional advantages of the human temporal organization and the problem of desynchronization, with special reference to the period (τ) of the circadian rhythm and its interindividual and intraindividual variability. We describe the differences between right- and left-hand rhythms suggesting the existence of different biological clocks in the right and left cortices, Desynchronization of rhythms is rather frequent (one example is night shift workers). In some individuals, desynchronization causes no clinical symptoms and we propose the concept of "allochronism" to designate a variant of the human temporal organization with no pathological implications. We restrict the term "dyschronism" to changes or alterations in temporal organization associated with a set of symptoms similar to those observed in subjects intolerant to shift work, eg, persisting fatigue and mood and sleep alterations. Many diseases involve chronic deprivation of sleep at night and constitute conditions mimicking thai of night shift workers who are intolerant to desynchronization. We also present a genetic model (the dian-circadian model) to explain interindividual differences in the period of biological rhythms in certain conditions.
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Affiliation(s)
- Alain Reinberg
- Unité de Chronobiologie, Fondation Adolphe de Rothschild, Paris, France; Department of Human Genetics and Molecular Medicine, School of Medicine, Tel Aviv University, Ramat Aviv, Israel
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Hilmer S, Algar D, Neck D, Schleucher E. Remote sensing of physiological data: Impact of long term captivity on body temperature variation of the feral cat (Felis catus) in Australia, recorded via Thermochron iButtons. J Therm Biol 2010. [DOI: 10.1016/j.jtherbio.2010.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Reinberg AE, Ashkenazi I, Smolensky MH. Euchronism, allochronism, and dyschronism: is internal desynchronization of human circadian rhythms a sign of illness? Chronobiol Int 2007; 24:553-88. [PMID: 17701673 DOI: 10.1080/07420520701534624] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The authors define a subject as euchronic when the circadian parameters--tau (tau=period), Ø (acrophse or peak time), A (amplitude), and M (MESOR=24 h rhythm-adjusted mean)--of a set of circadian variables are within the confidence limits of appropriate reference values of healthy subjects (HS). We define internal desynchronization as a state in which the circadian tau of a set of rhythms differs from 24 h and when the tau of a given variable differs from that of other variables. Such a state was first observed in singly isolated HS without access to time cues and clues. Herein, data and analyses are presented demonstrating that internal desynchronization appears to be a rather common phenomenon in HS dwelling in their natural environment (i.e., in the presence of usual zeitgebers). This has been documented by longitudinal studies (n approximately=15 days) of the circadian rhythm in sleep-wakefulness, body temperature, right- and left-hand-grip strength, and reaction time involving a total of 246 HS and 134 shift workers (SW), with 45.5% showing good and 54.5% poor SW tolerance. The presence of internal desynchronization observed in SW was associated SW intolerance, with symptoms being sleep alteration/disturbances, sleeping-pill dependence, persisting fatigue (asthenia), mood alteration, and digestive complaints. Internal desynchronization was also documented in groups of HS and tolerant SW, though it was almost the rule among the intolerant SW. The authors introduce two new terms: allochronism to describe the time organization of those SW who evidence internal desynchronization without detectable clinical symptoms, and dyschronism to describe the time organization of those SW who exhibit internal desynchrobization plus the symptoms of SW intolerance or medical illness. The condition of allochronism is not restricted only to SW tolerance, as it was detected in 112 HS without medical complains when exposed to various experimental conditions, including medications and placebos, sojourn in the high Arctic summer, intensive sport training, and task-loaded cognitive performance testing. Dyschronism in SW who are sleep-deprived is associated with persisting fatigue. An unpublished Gallup survey found that 47% of 2478 respondents experienced a state of asthenia during the previous 12 months, with symptoms mimicking those of SW intolerance. In one-third of the cases, the origin of the asthenia was undetermined. Taking into account the high incidence of internal desynchronization found in past investigations and the clinical observation that sleep deprivation is a consequence of many acute and chronic medical conditions (nocturnal pain, nocturnal asthma, etc.), it is suggested that dyschronism may be responsible for the asthenia of unknown origin, at least for some persons. The interindividual (including sex-related) variability in the propensity to exhibit an altered temporal organization, whether it be transient or persistent (i.e., reversible or non-reversible) suggests the involvement of genetic factors. The Dian-Circadian genetic model previously proposed by the authors seems pertinent to conceptualize and explain the various levels and output of internal desynchronization.
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Affiliation(s)
- Alain E Reinberg
- Unité de Chronobiologie, Fondation A. de Rothschild, 29 rue Manin, 75940 Paris Cedex 19, France.
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Refinetti R, Menaker M. Body temperature rhythm of the tree shrew, Tupaia belangeri. THE JOURNAL OF EXPERIMENTAL ZOOLOGY 1992; 263:453-7. [PMID: 1402741 DOI: 10.1002/jez.1402630413] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The circadian rhythm of body temperature of the tree shrew Tupaia belangeri was studied by telemetry. The amplitude of the daily (or circadian) variation was found to be much larger than that of most endotherms (amplitude approximately 5 degrees C) and the bimodal shape of the rhythm differed from the cosine waveform that characterizes the temperature rhythms of most other species. In free-running conditions, as well as in the entrained state, the temperature rhythm remained synchronized to the rhythm of locomotor activity.
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Affiliation(s)
- R Refinetti
- Department of Biology, University of Virginia, Charlottesville 22901
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Abstract
This paper reviews the literature on the circadian rhythm of body temperature (CRT). The review starts with a brief discussion of methodological procedures followed by the description of known patterns of oscillation in body temperature, including ultradian and infradian rhythms. Special sections are devoted to issues of species differences, development and aging, and the relationships between the CRT and the circadian rhythm of locomotor activity, between the CRT and the thermoregulatory system, and between the CRT and states of disease. A section on the nervous control of the CRT is followed by summary and conclusions.
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Affiliation(s)
- R Refinetti
- Department of Biology, University of Virginia, Charlottesville 22901
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Tobler I, Scherschlicht R. Sleep and EEG slow-wave activity in the domestic cat: effect of sleep deprivation. Behav Brain Res 1990; 37:109-18. [PMID: 2322413 DOI: 10.1016/0166-4328(90)90086-t] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The 24-h sleep-wake distribution, the vigilance states and the time course of EEG slow-wave activity was investigated in 8 adult domestic cats individually maintained in isolation under 14-h light (06.00-20.00 h)/10-h dim conditions. The frontal EEG and motor activity were continuously recorded for 22 h (during the daily cleaning and food-replenishing period between 07.00 and 09.00 h the cats were only observed). Sleep was prevented for 14 h (07.00-21.00 h) by playing with the animals. Recovery from sleep deprivation was recorded for the remaining 10 h of the dim period. Non-rapid eye movement (non-REM) sleep, REM sleep and waking were uniformly distributed over the light and dim period, with the exception of the 2-h feeding period where the cats were always awake. EEG power density in the delta band (0.75-4.5 Hz; slow-wave activity) was computed in non-REM sleep. The values in the light period were higher than in the dim period. In neither of the lighting periods was a trend observed. After sleep deprivation a small increase of non-REM sleep and REM sleep was present. EEG slow-wave activity was initially enhanced and then declined progressively. We conclude that despite the small circadian difference in the sleep-wake pattern observed in our cats, sleep homeostasis is similar to that observed in other mammalian species.
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Affiliation(s)
- I Tobler
- Institute of Pharmacology, University of Zürich, Switzerland
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Randall W. A statistical analysis of the annual pattern in white births of maternal age groups in the United States for the years 1973 thru 1980. ACTA ACUST UNITED AC 1988. [DOI: 10.1080/09291018809359960] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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