Michel Cardenas

Michel Cardenas
Hospital Ernesto Guevara · Neurologia

About

24
Publications
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805
Citations
Citations since 2016
0 Research Items
152 Citations
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20162017201820192020202120220510152025
20162017201820192020202120220510152025
20162017201820192020202120220510152025

Publications

Publications (24)
Article
There is an ongoing debate over certain aspects of laparoscopic appendectomy (LA) over open appendectomy (OA) in regard to hospitalization costs and associated complications. A database was used to obtain the charts for either LA or OA performed during a 5-year period. Variables analyzed were age, gender, hospitalization cost, length of stay and co...
Article
Mourning Doves are the most commonly hunted game bird in New Mexico based on hunter harvest data collected by New Mexico Department of Game and Fish. Research is limited on the influence of rangeland ecological condition on Mourning Dove (Zenaida macroura) populations in the Chihuahuan Desert of New Mexico. Mourning Dove numbers were evaluated peri...
Article
The Chihuahuan Desert of the southwestern United States and northern Mexico is the primary habitat of the scaled quail (Callipepla squamata), but populations have declined over much of this area since 1960. Because changes in ecological condition of Chihuahuan Desert rangelands may explain the decline in scaled quail populations over the last 37 ye...
Article
Full-text available
Botanical diet composition of pronghorn (Antilocapra americana), gemsbok (Oryx gazella), and feral horses (Equus caballus) on White Sands Missile Range, New Mexico, was determined using fecal analysis. Pronghorn diets consisted of 58% shrubs, 20% grasses, 17% forbs, and 5% unknowns. Gemsbok diets consisted of 83% grasses, 16% shrubs, and <1% forbs...
Article
We located two populations of endangered Aplomado Falcons (Falco femoralis) in desert grasslands in north-central Mexico in 1992. During spring 1993, we quantified breeding success, habitat use, and prey selection by the easternmost population, which is located 40 km from the United States. We captured 17 individuals (one subadult male, seven adult...
Article
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Seasonal wildlife observations were made along transects on 2 pastures in late seral and 2 pastures in mid seral condition in southcentral New Mexico in non-drought and drought years (1993, 1994). Remaining climax vegetation was about 64% and 57% on late seral pastures. About 37% and 32% of the climax vegetation remained on mid seral pastures. Tota...
Article
Meadow jumping mice (Zapus hudsonius luteus) were live trapped on Bosque del Apache National Wildlife Refuge in the middle Rio Grande Valley of New Mexico from June to October 1991 and from March to August 1992. During 26,591 trap nights, we captured 82 different individuals. The earliest capture in the spring was on 13 March; the latest fall captu...
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The Mexican spotted owl is listed as a threatened species in Mexico, but little is known there about its current status and habitat. Mexican spotted owls were surveyed by vocal imitations along transects on steep slopes, in canyons, and on lowlands and mesas from 20 May to 23 September 1992 and from 24 March to 26 July 1993 in southwestern Chihuahu...
Article
Long-term influences of livestock grazing on vegetation around watering points was studied on 2 upland Chihuahuan desert ranges in southcentral New Mexico using regression analysis. One range had been conservatively stocked since the 1950's while the other was more heavily stocked. About 45% of the climax vegetation occurred on the heavily stocked...
Article
This study was conducted on Chihuahuan desert range near Las Cruces, in southcentral New Mexico, to determine the relationship of blacktailed jackrabbit (Lepus californicus) densifies to good (GC) and fair (FC) range condition. The Soil Conservation Service procedure was used to classify ecological range condition. Line transect procedures were use...
Article
Two experiments with steers were conducted to evaluate the influence of native forbs and shrubs on nitrogen utilization by cattle. Diets in Exp. 1 were blue grama (Bouteloua gracilis [H.B.K.]) (BG), BG plus 23% alfalfa (Medicagosativa) hay (ALF), BG plus 42% forbs and BG plus 41% shrubs. Diets in Exp. 2 included barley (Hordeum vu&are L.) straw, an...
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Full-text available
The accuracy of microhistological techniques for analysis of herbivore diets was evaluated with cattle, sheep, and Angora goats fed grass, forb, and shrub mixtures of known botanical compositions. Two observers performed microhistological analyses on undigested diets as offered and on feces collected. Similarity indices and chi-square tests were us...
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Full-text available
In the first of two experiments, four wether lambs (BW = 26.8 kg) and four wether Angora goats (BW = 31.7 kg) were used in two simultaneous 4 x 4 Latin squares to study the influence of condensed tannins (CT) on nutrient usage and concentrations of serum urea N, somatotropin (GH), and insulin (INS) when the animals were fed low-quality diets contai...
Article
The mating behavior of an insular Armenian wild sheep population (Ovis orientalis gmelini) and a Transcaspian urial (Ovis orientalis arkal) population was quantified during the rutting season in December 1972, and November and December 1973, respectively. Males were grouped into two age classes; Class I (less-than-or-equal-to 4 years) and Class II...
Article
In vivo digestibility trials were conducted in metabolism stalls at New Mexico State University to evaluate the influence of leaves of true mountain mahogany (Cercocarpus montanus Raf.) and fourwing saltbush (Atriplex canescens [Pursh.] Nutt.) on nitrogen retention and digestibility by Angora goats. Each of the 2 shrubs were fed at 30% and 60% (air...
Article
In vivo digestibility trials were conducted to evaluate the influence of shrubs containing low and high levels of soluble phenolic/-tannins on digestibility and nitrogen retention by Angora goats. Each of 6 shrubs and alfalfa hay (Medicago sativa L.) were fed to goats at 30% (dry matter basis) of the diet in a barley straw-prairie hay mixture. The...
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Establishment, yield, and nutritional quality of 'Nordan' crested wheatgrass (Agropyron desertorum [Fischer ex Link] Schultes), 'Fairway' crested wheatgrass (Agropyron cristatum [L.] Gaertner), 'Arriba' western wheatgrass (Pascopyrum smithii [Rydb.] A. Löve), 'Luna' pubescent wheatgrass (Thinopyrum intermedium subsp. barbulatum [Schur.] Barkw. and...
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Full-text available
Cattle production on desert grassland ranges in southern New Mexico has been low, although limited research shows diet nutritional quality of cattle is adequate to meet production needs during most seasons. Forage intake data are lacking for cattle on desert grassland ranges. Five esophageal-fistulated steers were used to evaluate diet quality and...
Article
A study involving 6 feeds of widely varying chemical properties fed to 6 steers in a Latin square design was conducted to evaluate the potential of fecal chemical characteristics for predicting ruminant nutritional status. Forage intake, diet in vivo digestibility %, and diet nitrogen % were used as dependent variables and fecal nitrogen %, nucleic...

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