La sangre completa refleja los niveles extracelulares; el suero y el plasma reflejan únicamente los niveles intracelulares.
Heavy Metals in Horse Blood, Serum, and Feed in
 Minas Gerais, Brazil
 Leandro Maia,a Maria Verônica de Souza, MV, MS, DS,a Raphael Bragança
 Alves Fernandes, BS, MS, DS,b Maurício Paulo Ferreira Fontes, BS, MS, PhD,b
 Matheus Werner de Souza Vianna,a and Walcrisley Vercelli Luz, BS, MSb
Abstract:
Pollution is a subject of worldwide concern and discussion
 and various areas of science are seeking to integrate
 their knowledge in an attempt to improve understanding
 of the harmful effects of modern human
 activities. Thus, the objective of the current study was
 to assess the potential for using the horse as a bio-indicator
 of environmental pollution. Blood and serum
 samples from 120 horses from locations with different
 degrees of urbanization and industrialization and the
 feeds used for these animals were analyzed to determine
 their heavy metal (Cd, Pb, Ni, Cu, and Zn) content.
 The data obtained were compared. The results did
 not show increases in heavy metal concentration in the
 blood and serum of the horses with the intensification
 of urbanization and industrialization around the farms.
 Only Cd, as determined in the blood of the animals,
 showed a certain potential for using horses as bio-indicators
 of environmental pollution. The data for sex,
 age, and chemical composition of the foodstuffs supplied
 to the animals were not determinants in explaining
 the variation in the concentrations of heavy metals
 observed.
Material para el análisis: Minerales en sangre completa 3-5 ml de sangre en tubo con EDTA
Tested Elements:
 Aluminio, Antimonio, Arsénico-total, Berilio, Bismuto, Cadmio, Cinc, Circonio, Cobalto, Cobre, Cromo, Estaño, Magnesio, Manganeso, Mercurio,
 Molibdeno, Níquel, Plata, Platino, Plomo, Selenio, Talio, Uranio, Vanadio, Yodo.
  
Material para el análisis: Minerales en sangre completa 3-5 ml de sangre en tubo con EDTA
Tested Elements:
 Aluminio, Arsénico-total, Cadmio, Estaño, Gadolinio, Mercurio, Níquel, Paladio, Plomo.
  
Material para el análisis: Minerales en sangre completa 3-5 ml de sangre en tubo con EDTA
Tested Elements:
 Calcio, Cinc, Cobre, Hierro, Magnesio, Selenio.
  
Material para el análisis: 3-5ml EDTA Sang total
Tested Elements:
 Calcio, Cinc, Cobre, Hierro, Magnesio, Manganeso, Selenio.