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Alteration of ecosystem structure by a burrowing herbivore, the plains vizcacha (Lagostomus maximus)
(Oxford University Press, 2008-06)
Although the role of animals in altering ecosystem structure and dynamics has received increased attention in the last decade, large gaps in knowledge still exist, limiting our ability to incorporate animals into models ...
Modern plains vizcacha (Lagostomus maximus, Chinchillidae, Rodentia) as a bone accumulating agent in the Argentine Pampas: Application to the study of fossiliferous sites
(Academic Press Ltd - Elsevier Science Ltd, 2019-02)
Lagostomus maximus (Rodentia, Chinchillidae), or Plains vizcacha, is a caviomorph rodent that inhabits semi-arid grasslands and desert scrub of central and northern Argentina, southern Paraguay and southeastern Bolivia. A ...
Histological characterization of gonadotropin-releasing hormone (GnRH) in the hypothalamus of the South American plains vizcacha (Lagostomus maximus)
(Springer, 2011-08)
In contrast to most mammalian species, females of the South American plains vizcacha, Lagostomus maximus, show an extensive suppression of apoptosisdependent follicular atresia, continuous folliculogenesis, and massive ...
Registros de vizcachas (Lagostomus maximus) en Pampa de las Lagunas, sur de Santa Fe, ArgentinaRecords of plains viscacha Lagostomus maximus in Pampa de las Lagunas, Southern Santa Fe, Argentina
(Fundación de Historia Natural Félix de Azara, 2015-09)
La vizcacha (Lagostomus maximus) (RODENTIA: CHINCHILLIDAE) es un roedor de hábitos nocturnos, que habita en colonias de varios individuos. Se considera que a principios del siglo XX sus poblaciones se habrían extinguido ...
Nutritional deficiency and placenta calcification underlie constitutive, selective embryo loss in pregnant South American plains vizcacha, Lagostomus maximus (Rodentia, Caviomorpha)
(Elsevier, 2020-10)
Plains vizcacha females are able to ovulate up to 800 oocytes per estrus cycle. However, just 10–12 embryos are implanted and only two of them, those located nearest the cervix, are gestated to term. Between 26 and 70 days ...
Neocortical anatomy in the south american plains vizcacha, lagostomus maximus, reveals different strategies in encephalic development among hystricomorpha and myomorpha rodents
(Karger, 2021-07)
Depending on the presence or absence of sulci and convolutions, the brains of mammals are classified as gyrencephalic or lissencephalic. We analyzed the encephalic anatomy of the hystricomorph rodent Lagostomus maximus in ...
Estradiol, progesterone and prolactin modulate mammary gland morphogenesis in adult female plains vizcacha (Lagostomus maximus)
(Springer, 2013-03)
We studied for the first time the mammary gland morphogenesis and its hormonal modulation by immunolocalizing estradiol, progesterone and prolactin receptors (ER, PR and PRLR) in adult females of Lagostomus maximus, a ...
Endoscopy, histology and electron microscopy analysis of foetal membranes in pregnant South American plains vizcacha reveal unusual excrescences on the yolk sac
(Springer, 2018-06)
The South American hystricognathe Lagostomus maximus is a fossorial rodent whose females show unique reproductive characteristics. They have a 155-day long gestation, show massive polyovulation and a selective process of ...
Sequence analysis, tissue distribution and molecular physiology of the GnRH preprogonadotrophin in the South American plains vizcacha (Lagostomus maximus)
(Academic Press Inc Elsevier Science, 2016-01-01)
Gonadotropin-releasing hormone (GnRH) is the regulator of the hypothalamic-hypophyseal-gonadal (HHG) axis. GnRH and GAP (GnRH-associated protein) are both encoded by a single preprohormone. Different variants of GnRH have ...
Trophic interactions among plains vizcacha ( Lagostomus maximus ), greater rhea ( Rhea americana ), and cattle in a wetland of the Paraná River Delta Region, Argentina
(Taylor & Francis Ltd, 2009-04)
The plains vizcacha (Lagostomus maximus) and the greater rhea (Rhea americana) are considered to compete for forage with cattle in agroecosystems of South America. The aims of this research were to analyze the diet diversity ...