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Artigos de revistas sobre o tema "Marsupials Nutrition"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 31 de janeiro de 2023

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1

J. Foley, William. "Marsupial Nutrition." Pacific Conservation Biology 5, no. 3 (1999): 240. http://dx.doi.org/10.1071/pc99240a.

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In the early 1980s advances in marsupial biology could no longer be encapsulated in a single volume such as Hugh Tyndale-Biscoe's "Life of Marsupials" and Cambridge University Press commissioned a series of monographs covering a range of different topics in marsupial biology. As it was, only three of that series were realized and among them was the ptedecessor to this book "Digestive Physiology and Nutrition of Marsupials" published in 1982. "Marsupial Nutrition" is a considerably expanded and comprehensive review of studies of nutrition and digestive physiology of Australasian and South Ameri

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Hetz, Jennifer A., Brandon R. Menzies, Geoffrey Shaw, and Marilyn B. Renfree. "The tammar wallaby: a non-traditional animal model to study growth axis maturation." Reproduction, Fertility and Development 31, no. 7 (2019): 1276. http://dx.doi.org/10.1071/rd18271.

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Maturation of the growth hormone (GH)/insulin-like growth factor 1 (IGF1) axis is a critical developmental event that becomes functional over the peripartum period in precocial eutherian mammals such as sheep. In mice and marsupials that give birth to altricial young, the GH/IGF1 axis matures well after birth, suggesting that functional maturation is associated with developmental stage, not parturition. Recent foster-forward studies in one marsupial, the tammar wallaby (Macropus eugenii), have corroborated this hypothesis. ‘Fostering’ tammar young not only markedly accelerates their developmen

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HUME, I. D. "Nutrition of marsupials in captivity." International Zoo Yearbook 39, no. 1 (January 2005): 117–32. http://dx.doi.org/10.1111/j.1748-1090.2005.tb00011.x.

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Stannard, Hayley J., Robert D. Miller, and Julie M. Old. "Marsupial and monotreme milk—a review of its nutrient and immune properties." PeerJ 8 (June 23, 2020): e9335. http://dx.doi.org/10.7717/peerj.9335.

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All mammals are characterized by the ability of females to produce milk. Marsupial (metatherian) and monotreme (prototherian) young are born in a highly altricial state and rely on their mother’s milk for the first part of their life. Here we review the role and importance of milk in marsupial and monotreme development. Milk is the primary source of sustenance for young marsupials and monotremes and its composition varies at different stages of development. We applied nutritional geometry techniques to a limited number of species with values available to analyze changes in macronutrient compos

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Irlbeck, NA, and ID Hume. "The role of Acacia in the diets of Australian marsupials ? A review." Australian Mammalogy 25, no. 2 (2003): 121. http://dx.doi.org/10.1071/am03121.

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Many of the 600 species of Acacia found in Australia form part of the diet of several groups of marsupials. Acacia foliage is generally high in tannins but is consumed by several folivorous possums and by some macropods (kangaroos and wallabies), but the macropods eat it mainly as dry leaf litter during times of food shortage (in dry seasons and drought). Acacia gum is an important diet component of two omnivorous possums (Petaurus breviceps, Gymnobelidius leadbeateri) and, to a lesser extent, two rat-kangaroos (Bettongia sp.). Acacia seeds are consumed by marsupials to a limited extent, but a

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Pharo, Elizabeth A. "Marsupial milk: a fluid source of nutrition and immune factors for the developing pouch young." Reproduction, Fertility and Development 31, no. 7 (2019): 1252. http://dx.doi.org/10.1071/rd18197.

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Marsupials have a very different reproductive strategy to eutherians. An Australian marsupial, the tammar wallaby (Macropus eugenii) has a very short pregnancy of about 26.5 days, with a comparatively long lactation of 300–350 days. The tammar mother gives birth to an altricial, approximately 400 mg young that spends the first 200 days postpartum (p.p.) in its mother’s pouch, permanently (0–100 days p.p.; Phase 2A) and then intermittently (100–200 days p.p.; Phase 2B) attached to the teat. The beginning of Phase 3 marks the first exit from the pouch (akin to the birth of a precocious eutherian

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7

O’Hara, Patricia J., Peter J. Murray, and Athol V. Klieve. "A review of the nutrition of Australian peramelid marsupials." Australian Mammalogy 34, no. 2 (2012): 133. http://dx.doi.org/10.1071/am11008.

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European settlement has had a dramatic impact on the distribution and abundance of peramelid (bandicoot and bilby) marsupials. Predation and competition from introduced species and altered habitat have been implicated in their decline or extinction. Bandicoots and bilbies inhabit a broad range of habitats in Australia. Research on the distribution, morphology, gastrointestinal histology, lactation, metabolism and nutritional physiology of extant peramelid species has increased in the last few decades. This paper provides a review that encompasses recent nutritional-based research. Peramelid re

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8

Stringer, J. M., G. Shaw, A. Pask, and M. B. Renfree. "137. GENOMIC IMPRINTING IN THE MARSUPIAL MAMMARY GLAND." Reproduction, Fertility and Development 22, no. 9 (2010): 55. http://dx.doi.org/10.1071/srb10abs137.

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Genomic imprinting is an epigenetic mechanism that differentially regulates the expression of certain genes, resulting in expression from only one parental allele. In mammals, genomic imprinting occurs in the placenta of both eutherians and marsupials, and plays an important role in regulating nutrition and growth of the developing fetus. The mammary gland also provides a critical source of nutrition for the neonate in all mammals, but there are few imprinting studies of this organ. Marsupials deliver tiny, altricial young that complete development during an extended lactation. INS (insulin) i

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Adamski, Frances M., and Jerome Demmer. "Two Stages of Increased IgA Transfer During Lactation in the Marsupial, Trichosurus vulpecula (Brushtail Possum)." Journal of Immunology 162, no. 10 (May 15, 1999): 6009–15. http://dx.doi.org/10.4049/jimmunol.162.10.6009.

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Abstract The polymeric Ig receptor (pIgR) and J chain molecules are involved in the transfer of IgA across the mammary gland epithelia into milk. The J chain binds two IgA molecules to form dimeric IgA, and the pIgR transports this complex through epithelial cells. We report here the cloning of the first marsupial homologues for the pIgR and J chain from the brushtail possum. Marsupial young are born after a short gestation and are less developed than eutherian newborn. The pouch young is completely dependent on milk as its sole source of nutrition during early lactation and this phase can be

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Stringer, J. M., G. Shaw, A. Pask, and M. B. Renfree. "164. THE IMPRINT STATUS AND EXPRESSION OF INS IN THE TAMMAR WALLABY, MACROPUS EUGENII." Reproduction, Fertility and Development 21, no. 9 (2009): 82. http://dx.doi.org/10.1071/srb09abs164.

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Genomic imprinting is an epigenetic mechanism that differentially regulates the expression of certain genes, resulting in expression from only one parental allele. It is presumed to have first evolved after the divergence of therian mammals from the monotremes. One imprinted gene, INS is maternally imprinted (paternally expressed) in the eutherian and marsupial yolk sac1,2. INS encodes the precursor to the hormone insulin, which regulates carbohydrate metabolism and has a role in cell growth and, by regulating amino acid and fatty acid transporters, protein synthesis. In rats, mice and several

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Renfree, Marilyn B., Shunsuke Suzuki, and Tomoko Kaneko-Ishino. "The origin and evolution of genomic imprinting and viviparity in mammals." Philosophical Transactions of the Royal Society B: Biological Sciences 368, no. 1609 (January 5, 2013): 20120151. http://dx.doi.org/10.1098/rstb.2012.0151.

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Genomic imprinting is widespread in eutherian mammals. Marsupial mammals also have genomic imprinting, but in fewer loci. It has long been thought that genomic imprinting is somehow related to placentation and/or viviparity in mammals, although neither is restricted to mammals. Most imprinted genes are expressed in the placenta. There is no evidence for genomic imprinting in the egg-laying monotreme mammals, despite their short-lived placenta that transfers nutrients from mother to embryo. Post natal genomic imprinting also occurs, especially in the brain. However, little attention has been pa

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Weisbecker, Vera, Simon Blomberg, Anne W. Goldizen, Meredeth Brown, and Diana Fisher. "The Evolution of Relative Brain Size in Marsupials Is Energetically Constrained but Not Driven by Behavioral Complexity." Brain, Behavior and Evolution 85, no. 2 (2015): 125–35. http://dx.doi.org/10.1159/000377666.

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Evolutionary increases in mammalian brain size relative to body size are energetically costly but are also thought to confer selective advantages by permitting the evolution of cognitively complex behaviors. However, many suggested associations between brain size and specific behaviors - particularly related to social complexity - are possibly confounded by the reproductive diversity of placental mammals, whose brain size evolution is the most frequently studied. Based on a phylogenetic generalized least squares analysis of a data set on the reproductively homogenous clade of marsupials, we pr

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Scopin, A. E., A. P. Saveljev, N. A. Suntsova, S. Gnophanxay, A. N. Tikhonov, and A. V. Abramov. "Digestive system of the Laotian rock rat Laonastes aenigmamus (Rodentia: Diatomyidae) from the evolutionary viewpoint." Proceedings of the Zoological Institute RAS 315, no. 1 (March 30, 2011): 3–18. http://dx.doi.org/10.31610/trudyzin/2011.315.1.3.

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A preliminary study of the gastrointestinal tract of Laonastes aenigmamus Jenkins et al., 2005 has been carried out. We have revealed that Laonastes is the smallest folivorous mammal with the enlarged forestomach, which is similar to that of certain herbivorous marsupials. The stomach of this rodent contains 70% of the digesta and performs the main role in storing and digesting of plant foods. Laonastes is a unique rodent having such the digestive system, and its herbivory is confirmed by the enlarged ampulla duodeni, small dimensions of the hindstomach (pars pylorica), the absence of vesica f

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14

Snipes, RL, H. Snipes, and FN Carrick. "Morphometric data on the intestines of five Australian marsupials (Marsupialia)." Australian Mammalogy 25, no. 2 (2003): 193. http://dx.doi.org/10.1071/am03193.

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THE nutritional biology of marsupials has been a subject of numerous studies, culminating in valuable compilations covering a wide range of aspects (Osman Hill and Rewell 1954; Walton and Richardson 1989; Hume 1982, 1999; Kerle 2001). Despite this thorough coverage, there remains a scarcity of morphometric data on the intestines of monotremes and marsupials. In an attempt to approach this need, an effort was initiated to provide morphometric data on monotremes (Snipes et al. 2002) and marsupials (Snipes et al. 1993, 2003).

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Old, Julie M., and Hayley J. Stannard. "Corrigendum to: Conservation of quolls (Dasyurus spp.) in captivity – a review." Australian Mammalogy 43, no. 3 (2021): 378. http://dx.doi.org/10.1071/am20033_co.

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Quolls are carnivorous marsupials in the family Dasyuridae with characteristic white spots. They are distributed throughout Australia and New Guinea, but uncommonly seen due to their mostly nocturnal solitary nature, and large home ranges. All Australian quolls are listed as ‘near threatened' or ‘endangered' at state, national and international levels, largely due to human-induced threats. Threats include introduced predators, habitat loss through clearing and modifications including changed fire regimes, disease, human persecution, vehicle collisions and accidental or targeted poisoning by hu

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van Tets, I. G. "Can Flower-Feeding Marsupials Meet Their Nitrogen Requirements on Pollen in The Field?" Australian Mammalogy 20, no. 3 (1998): 383. http://dx.doi.org/10.1071/am98383.

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Two arboreal marsupials, the eastern pygmy possum (Cercartetus nanus) and the sugar glider (Petaurus breviceps) have exceptionally low maintenance nitrogen requirements on pollen diets. This study compares their nitrogen requirements with the density of Banksia pollen that is available in the Barren Grounds Nature Reserve, New South Wales, a site where both species are known to forage on Banksia inflorescences. The pollen density was sufficiently high that both species were capable of meeting their maintenance nitrogen requirements on pollen whenever Banksia spp. were in flower. C. nanus requi

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Johnson-Delaney, Cathy A. "Captive Marsupial Nutrition." Veterinary Clinics of North America: Exotic Animal Practice 17, no. 3 (September 2014): 415–47. http://dx.doi.org/10.1016/j.cvex.2014.05.006.

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Munn, Adam J., Peter Banks, and Ian D. Hume. "Digestive plasticity of the small intestine and the fermentative hindgut in a marsupial herbivore, the tammar wallaby (Macropus eugenii)." Australian Journal of Zoology 54, no. 4 (2006): 287. http://dx.doi.org/10.1071/zo06004.

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We investigated the effects of a ground, pelleted diet versus natural forage on the gross morphology of the gastrointestinal tract of a medium-sized (5–7 kg body mass) macropodid marsupial, the tammar wallaby (Macropus eugenii). The empty wet mass (g) of the small intestine of tammar wallabies maintained on a pelleted diet for 6 weeks was 22% greater than that of animals maintained on natural forage, once body mass was taken into account by ANCOVA. Similarly, the body-mass-adjusted length of the tammar wallaby caecum and proximal colon combined was 25% longer in animals maintained on the pelle

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Hayward, John S., and Paul A. Lisson. "Evolution of brown fat: its absence in marsupials and monotremes." Canadian Journal of Zoology 70, no. 1 (January 1, 1992): 171–79. http://dx.doi.org/10.1139/z92-025.

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Species from all extant families of marsupials and monotremes were examined to clarify whether these mammalian subclasses possess brown adipose tissue. To optimize the chance of finding this tissue, special emphasis was given to sampling species adapted to colder regions, species with small adult body size, and individuals at a stage of development equivalent to the newborn stage of placentals (late pouch life in the case of marsupials). Evidence based on gross morphology and light, electron, and fluorescence microscopy failed to show the presence of brown adipose tissue in any marsupial or mo

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Hume, I. D. "Nutrition of marsupial herbivores." Proceedings of the Nutrition Society 48, no. 1 (January 1989): 69–79. http://dx.doi.org/10.1079/pns19890011.

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Dearing, Denise. "Marsupial Nutrition. Ian D. Hume." Quarterly Review of Biology 75, no. 2 (June 2000): 196. http://dx.doi.org/10.1086/393435.

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O'Hara, Patricia J., Athol V. Klieve, Peter J. Murray, Anita J. Maguire, Diane Ouwerkerk, and Karen Harper. "Effect of time and diet change on the bacterial community structure throughout the gastrointestinal tract and in faeces of the northern brown bandicoot, Isoodon macrourus." Australian Journal of Zoology 64, no. 1 (2016): 48. http://dx.doi.org/10.1071/zo15078.

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A significant gap, in not only peramelid nutritional physiology but marsupial nutrition as a whole, is the lack of information relating to microorganisms of the gastrointestinal tract. This research is a preliminary investigation that will provide a baseline for comparisons among peramelids. The high degree of 16S rRNA gene clones identified in this research that are closely related to culturable bacteria suggests that additional research will enable a more complete description of the gastrointestinal bacteria of I. macrourus. Most identifiable clones belonged to Clostridium and Ruminococcus.

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McArthur, C. "Book review: Marsupial Nutrition by Ian D. Hume." Australian Mammalogy 21, no. 2 (1999): 275. http://dx.doi.org/10.1071/am99275.

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Stannard, Hayley J., Bronwyn M. McAllan, and Julie M. Old. "Dietary composition and nutritional outcomes in two marsupials,Sminthopsis macrouraandS. crassicaudata." Journal of Mammalogy 95, no. 3 (June 26, 2014): 503–15. http://dx.doi.org/10.1644/13-mamm-a-071.

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Stannard, Hayley J., and Julie M. Old. "Description of the gastrointestinal tract and associated organs of the kultarr (Antechinomys laniger)." Australian Mammalogy 35, no. 1 (2013): 39. http://dx.doi.org/10.1071/am12003.

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This paper provides a macro- and microscopic description of the digestive tract of the kultarr (Antechinomys laniger), a small dasyurid marsupial. The digestive tract was simple, with no external differentiation between the small and large intestine, and lacked a caecum. Mean gross length of the kultarr digestive tract was 165.2 ± 32.1 mm. Microscopically, the tissues had cell types similar to those of other mammals. The new information will aid future post-mortem investigations of captive kultarrs and future studies of nutrition.

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Kanowski, John, M. S. Hopkins, Helene Marsh, and J. W. Winter. "Ecological correlates of folivore abundance in north Queensland rainforests." Wildlife Research 28, no. 1 (2001): 1. http://dx.doi.org/10.1071/wr99098.

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The ecological factors controlling the distribution and abundance of the folivorous marsupials endemic to the rainforests of northern Australia are not understood. In this study, we surveyed folivore abundance at 40 sites stratified by altitude and geology in rainforests of the Atherton Tableland, north Queensland. All five species of folivore that inhabit the study area were more abundant in highland (800–1200 m) than in upland (400–800 m) forests. Allowing for the effects of altitude, four species of folivore were more abundant in forests on nutrient-rich basalts than in forests on nutrient-

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McArthur, C., and G. D. Sanson. "Nutritional Effects and Costs of a Tannin in Two Marsupial Arboreal Folivores." Functional Ecology 7, no. 6 (December 1993): 697. http://dx.doi.org/10.2307/2390191.

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Clements, Fiona, Perdita Hope, Chris Daniels, Ian Chapman, and Gary Wittert. "Thermogenesis in the marsupial Sminthopsis crassicaudata: effect of catecholamines and diet." Australian Journal of Zoology 46, no. 4 (1998): 381. http://dx.doi.org/10.1071/zo98022.

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The fat-tailed dunnart (Sminthopsis crassicaudata) is a small carnivorous marsupial with detectable brown adipose tissue. In order to determine whether catecholamines and food intake increase thermogenesis in this species, we measured the response of oxygen consumption (Vo2) to (i) intraperitoneal noradrenaline (0.25–4.0 mg kg-1), and (ii) food intake. The effect of nutritional status and macronutrient composition of the diet on the Vo2 response to food intake was determined by feeding both non-deprived and 24-h-food-deprived animals with either laboratory diet (1.01 Kcal g-1 (4.2 KJ g-1), 20%

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Cork, S. J. "Meeting the energy requirements for lactation in a macropodid marsupial: current nutrition versus stored body reserves." Journal of Zoology 225, no. 4 (December 1991): 567–76. http://dx.doi.org/10.1111/j.1469-7998.1991.tb04325.x.

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Johnson, C. N. "Nutritional Ecology of a Mycophagous Marsupial in Relation to Production of Hypogeous Fungi." Ecology 75, no. 7 (October 1994): 2015–21. http://dx.doi.org/10.2307/1941606.

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Hetz, Jennifer A., Brandon R. Menzies, Geoffrey Shaw, Aneta Stefanidis, Michael A. Cowley, and Marilyn B. Renfree. "Effects of nutritional manipulation on body composition in the developing marsupial, Macropus eugenii." Molecular and Cellular Endocrinology 428 (June 2016): 148–60. http://dx.doi.org/10.1016/j.mce.2016.03.030.

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Hill, Nichola J., Elizabeth M. Deane, and Michelle L. Power. "Prevalence and Genetic Characterization of Cryptosporidium Isolates from Common Brushtail Possums (Trichosurus vulpecula) Adapted to Urban Settings." Applied and Environmental Microbiology 74, no. 17 (July 18, 2008): 5549–55. http://dx.doi.org/10.1128/aem.00809-08.

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ABSTRACT The common brushtail possum (Trichosurus vulpecula) is one of the most abundant native marsupials in urban Australia, having successfully adapted to utilize anthropogenic resources. The habituation of possums to food and shelter available in human settlements has facilitated interaction with people, pets, and zoo animals, increasing the potential for transmission of zoonotic Cryptosporidium pathogens. This study sought to examine the identity and prevalence of Cryptosporidium species occurring in possums adapted to urban settings compared to possums inhabiting remote woodlands far fro

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Claridge, AW, and SJ Cork. "Nutritional-Value of Hypogeal Fungal Sporocarps for the Long-Nosed Potoroo (Potorous-Tridactylus), a Forest-Dwelling Mycophagous Marsupial." Australian Journal of Zoology 42, no. 6 (1994): 701. http://dx.doi.org/10.1071/zo9940701.

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Although mycophagy (fungus-feeding) is widespread among small ground-dwelling mammals, there has been little evaluation of the nutritional benefits of this feeding habit. In Australia, some members of the Potoroidae (or rat-kangaroo family) consume large amounts of hypogeal fungi throughout the year. Hypogeal fungi appear to be of marginal nutritional quality for small mammals with simple stomachs but potoroos have an enlarged forestomach in which microbial fermentation takes place, and this may allow more effective utilisation of protected nitrogenous components and structural carbohydrates o

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Wallis, I. R., and W. J. Foley. "Validation of near-infrared reflectance spectroscopy to estimate the potential intake of Eucalyptus foliage by folivorous marsupials." Australian Journal of Zoology 51, no. 1 (2003): 95. http://dx.doi.org/10.1071/zo02027.

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We validated an existing model of food intake by captive common ringtail possums (Pseudocheirus peregrinus), a folivorous marsupial, by feeding foliage from 18 individual Eucalyptus polyanthemos trees and measuring dry matter intake. Near-infrared reflectance (NIR) spectra of a sample of each foliage were recorded and compared against a previously derived model relating food intake in common ringtails and NIR spectra. We found excellent agreement between the predicted and measured food intake, with the standard error of prediction being 3.6 g kg(body mass)–0.75 day–1. NIR spectroscopy is a sui

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Cripps, Jemma K., Michelle E. Wilson, Mark A. Elgar, and Graeme Coulson. "Experimental manipulation of fertility reveals potential lactation costs in a free-ranging marsupial." Biology Letters 7, no. 6 (July 6, 2011): 859–62. http://dx.doi.org/10.1098/rsbl.2011.0526.

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Lactation is the most energetically expensive component of reproduction in mammals. Theory predicts that reproducing females will adjust their behaviour to compensate for increased nutritional demands. However, experimental tests are required, since comparisons of the behaviour of naturally reproducing and non-reproducing females cannot distinguish between true costs of reproduction, individual differences or seasonal variation. We experimentally manipulated reproduction in free-ranging, eastern grey kangaroos ( Macropus giganteus ), using a fertility control agent. Our novel field experiment

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McArthur, C., and G. D. Sanson. "Nutritional Effects and Costs of a Tannin in a Grazing and a Browsing Macropodid Marsupial Herbivore." Functional Ecology 7, no. 6 (December 1993): 690. http://dx.doi.org/10.2307/2390190.

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Morrison, Mark, Chris S McSweeney, and A.-D. G Wright. "The vertebrate animal gut in context ? microbiomes, metagenomes and methane." Microbiology Australia 28, no. 3 (2007): 107. http://dx.doi.org/10.1071/ma07107.

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The microbial world colonises the gastrointestinal tracts of vertebrates soon after birth or hatching. These animal-microbe relationships have been described as competitive, cooperative or combinatorial, and all provide a variety of functional and metabolic capabilities that are relevant to host animal nutrition, health and well-being. The evolutionary adaptations of Australia?s marsupial herbivores have been relatively well characterised and favour both the cooperative and combinatorial animal-microbe models. Kangaroos and wallabies possess the cooperative model: the foregut functions as an o

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Rose, R. W., and K. Flowers. "Milk composition and growth in wild and captive Tasmanian pademelons, Thylogale billardierii (Marsupialia)." Australian Journal of Zoology 53, no. 4 (2005): 241. http://dx.doi.org/10.1071/zo05009.

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Changes in milk composition (total solids, carbohydrate, protein, lipid and calculated gross energy content) during lactation in three groups of wild (recently culled) and one captive group (fed ad libitum) of Tasmanian pademelon (Thylogale billardierii) were related to growth rates and body condition. The habitats of the three wild groups differed. Total milk solids were generally greater in the captive group but this difference disappeared in late lactation. Milk carbohydrates showed a general increase to mid-lactation in all groups, decreasing subsequently, but were always greater in the ca

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Gibson, Lesley A., Ian D. Hume, and Peter D. McRae. "Ecophysiology and nutritional niche of the bilby (Macrotis lagotis), an omnivorous marsupial from inland Australia: a review." Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 133, no. 3 (November 2002): 843–47. http://dx.doi.org/10.1016/s1095-6433(02)00204-0.

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Menzies, B. R., T. P. Fletcher, G. Shaw, A. J. Pask, and M. B. Renfree. "P2-140 Development of the growth axis in the tammar: a marsupial model for studying nutritional manipulation in mammals." Early Human Development 83 (September 2007): S168—S169. http://dx.doi.org/10.1016/s0378-3782(07)70473-5.

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Neethling, Jeannine, Magdalena Muller, Marieta van der Rijst, and Louwrens C. Hoffman. "Sensory quality and fatty acid content of springbok (Antidorcas marsupialis) meat: influence of farm location and sex." Journal of the Science of Food and Agriculture 98, no. 7 (November 15, 2017): 2548–56. http://dx.doi.org/10.1002/jsfa.8743.

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Gibson, LA, and ID Hume. "Aspects of the ecophysiology and the dietary strategy of the greater bilby Macrotis lagotis: a review." Australian Mammalogy 26, no. 2 (2004): 179. http://dx.doi.org/10.1071/am04179.

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Since European settlement, the distribution of the greater bilby (Macrotis lagotis), an omnivorous peramelid marsupial, has contracted into the driest and least fertile parts of its former range. A review of the dietary, metabolic and digestive strategies used by M. lagotis provides the basis for an explanation of its ability to persist in the arid regions where it is now restricted. M. lagotis utilises an opportunistic feeding strategy, selecting dietary items in accordance with their abundance. Termites, ants and seeds, that form a concentrated food source, are prevalent in their diet. In ca

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Ebbers, M. J. H., I. R. Wallis, S. Dury, R. Floyd, and W. J. Foley. "Spectrometric prediction of secondary metabolites and nitrogen in fresh Eucalyptus foliage: towards remote sensing of the nutritional quality of foliage for leaf-eating marsupials." Australian Journal of Botany 50, no. 6 (2002): 761. http://dx.doi.org/10.1071/bt02025.

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Near-infrared reflectance spectroscopy provides an excellent means of assessing the chemical composition of Eucalyptus foliage but the standard methods of drying and grinding the samples limit the speed at which spectra can be collected and thus are unsuitable for measurements in the field. We investigated whether reliable spectra could be collected from whole fresh and dry leaves of E. melliodora and E. globulus and whether we could predict the concentration of total nitrogen, the volatile terpene, 1,8 cineole and the phenolic antifeedant compound, sideroxylonal A, from these spectra. Water a

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McLeod, B. J., E. G. Thompson, J. L. Crawford, and G. H. Shackell. "Successful Group Housing of Wild-Caught Brushtail Possums (Trichosurus Vulpecula)." Animal Welfare 6, no. 1 (February 1997): 67–76. http://dx.doi.org/10.1017/s0962728600019400.

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AbstractThe common brushtail possum (Trichosurus vulpecula), introduced from Australia about 150 years ago, has become a major pest threatening the native biota of New Zealand. It is also an important disease vector, acting as a wildlife reservoir of infection. Conventional methods of control have had little effect on reducing the national population, so there is a quest to find more effective and humane methods. This has led to an upsurge in research aimed at increasing our knowledge of the biology of this marsupial, with an attendant increase in requirements for access to colony-housed anima

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Rosenfeld, Cheryl S. "Sex-Specific Placental Responses in Fetal Development." Endocrinology 156, no. 10 (August 4, 2015): 3422–34. http://dx.doi.org/10.1210/en.2015-1227.

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The placenta is an ephemeral but critical organ for the survival of all eutherian mammals and marsupials. It is the primary messenger system between the mother and fetus, where communicational signals, nutrients, waste, gases, and extrinsic factors are exchanged. Although the placenta may buffer the fetus from various environmental insults, placental dysfunction might also contribute to detrimental developmental origins of adult health and disease effects. The placenta of one sex over the other might possess greater ability to respond and buffer against environmental insults. Given the potenti

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Collin, H. Barry, and Shaun P. Collin. "The corneal surface of aquatic vertebrates: microstructures with optical and nutritional function?" Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 355, no. 1401 (September 29, 2000): 1171–76. http://dx.doi.org/10.1098/rstb.2000.0661.

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The anterior surface of the mammalian cornea plays an important role in maintaining a smooth optical interface and consequently a sharp retinal image. The smooth surface is produced by a tear film, which adheres to a variety of microprojections, which increase the cell surface area, improve the absorbance of oxygen and nutrients and aid in the movement of metabolic products across the outer cell membrane. However, little is known of the structural adaptations and tear film support provided in other vertebrates from different environments. Using field emission scanning electron microscopy, this

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Hendry, KA, KJ Simpson, KR Nicholas, and CJ Wilde. "Autocrine inhibition of milk secretion in the lactating tammar wallaby (Macropus eugenii)." Journal of Molecular Endocrinology 21, no. 2 (October 1, 1998): 169–77. http://dx.doi.org/10.1677/jme.0.0210169.

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The lactating tammar wallaby progressively alters the rate of secretion and composition of its milk to provide appropriate nutrition for the developing offspring, whose needs are signalled by changes in the pattern and efficiency of its sucking. Tammars are also capable of asynchronous concurrent lactation, when the mother provides a dilute milk for a newborn young permanently attached to the teat (phase 2A of lactation), and a concentrated milk from an adjacent mammary gland for a young-at-heel (phase 3). The relationship between suckling behaviour and milk secretion, and the ability of adjac

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Pineda-Munoz, Silvia, Alistair R. Evans, and John Alroy. "The relationship between diet and body mass in terrestrial mammals." Paleobiology 42, no. 4 (March 18, 2016): 659–69. http://dx.doi.org/10.1017/pab.2016.6.

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AbstractDiet and body mass are highly important factors in mammalian ecology, and they have also proven to be powerful paleoecological indicators. Our previous research has proposed a new classification scheme for mammals with more dietary divisions that emphasizes the primary resource in a given diet. We analyzed a database summarizing the dietary preferences of 139 species of marsupial and placental terrestrial mammals (including 14 orders) and their average body masses in order to explore whether this new classification better highlights ecomorphological differences between species. Additio

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Wittmann, Karl J., and Pierre Chevaldonné. "First report of the order Mysida (Crustacea) in Antarctic marine ice caves, with description of a new species of Pseudomma and investigations on the taxonomy, morphology and life habits of Mysidetes species." ZooKeys 1079 (December 31, 2021): 145–227. http://dx.doi.org/10.3897/zookeys.1079.76412.

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SCUBA diving explorations of three islands off Dumont d’Urville Station at the coast of Adélie Land, East Antarctica, enabled the observation of marine ice caves. Sampling in this unusual habitat yielded a total of three species of Mysidae, altogether previously poorly known or unknown to science. Pseudomma kryotroglodytumsp. nov. is described, based on the structure of the antennal scale, telson and on cornea-like lateral portions set off against the main body of eyeplates. Mysidetes illigi is re-established at species level after almost a century in synonymy. Re-descriptions are provided for

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Fehrenkamp, B. D., and R. D. Miller. "Opossum Mammary Maturation as It Relates to Immune Cell Infiltration and Nutritional Gene Transcription." Integrative Organismal Biology 2, no. 1 (December 30, 2019). http://dx.doi.org/10.1093/iob/obz036.

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Synopsis The mammary gland has evolved to accommodate the developmental needs of offspring in species-specific ways. This is particularly true for marsupials. Marsupial milk content changes dramatically throughout lactation in ways appearing timed with neonatal ontogeny and behavior. Here we investigate morphological restructuring within the mammaries throughout lactation in the gray short-tailed opossum, Monodelphis domestica. Substantial remodeling of the mammaries occurs throughout the first half of active lactation. It is not until the latter half of lactation that opossum mammaries appear

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