Zhongxi is a complete laboratory for analysis and testing, also an audited contract laboratory.We can provide a wide range of chemical analysis and material testing services to a diverse international customer base.Our expertise and years of experience enable us to choose the right analytical methods and generate the accurate data needed to solve your toughest problems.

Animal experiment technical service

Intragastric administration in mice, tail vein injection in mice, intraperitoneal injection in mice, subcutaneous drug, intragastric administration in rat, tail vein injection in rat, intraperitoneal injection in rat,  subcutaneous drug, rabbit ear margin vein dosing, tail vein blood collection in mice and rat, rat eye sinus venous blood collection, rabbit venous blood collection, collect rat urine andstool, rat experimental observation, anatomy of the rat,anatomy of the mice,etc.


Breeding of experimental animals: mice, rats, rabbits and guinea pigs.

Routine blood tests: red blood cell count, hemoglobin concentration, white blood cell count and classification, platelet count, hematocrit, lymphocyte percentage, percentage of monocytes, percentage of neutrophils, percentage of eosinophils, percentage of basophils.

Urine test: leucocyte, occult blood, nitrite, specific gravity, urobilinogen, ketone body, protein, bilirubin, pH, glucose.

Pathological examination: pathological preparation, HE staining section, Sudan III staining section, oil red O fat staining section, silver protein staining section, reading.

Electrolyte test: sodium, potassium, chlorine, calcium, phosphorus.

Biochemical test: TP(total protein), ALB(albumin), AST(aspartate aminotransferase), ALT(alanine aminotransferase), CHO(cholesterol), TG(triglyceride), urea, GLU(glucose), ALP(alkaline phosphatase), GGT(gamma-glutamyltransferase), UA(uric acid), Cre(creatinine).

Animal (sample) testing

Detection range

Animal (including human) body fluids (such as urine, blood, saliva, bile, gastric juice, lymph fluid and other secretions of the organism, etc.), hair, muscle and some tissues and organs (such as thymus, pancreas, liver, lung, brain, stomach, kidney, etc.) and various microorganisms.

The test items

General physics and chemistry: moisture, ash content, crude fat, crude protein, organic matter, total energy, crude fiber, neutral detergent fiber, acid detergent fiber, dry matter (65℃), dry matter (105℃), total carbon, starch, phytic acid, ammonium nitrogen, allantoin, uric acid, constant elements, trace elements, muscle fiber diameter, electron microscope observation, etc.

Primary metabolites: medium- long chain fatty acids composition, short chain fatty acids composition, amino acids composition, enzyme activity assay, nucleotide, inosinic acid, monosaccharide composition, phospholipids, cholesterol, allantoin, uric acid, urea nitrogen, creatinine, etc.

Secondary metabolites: vitamins analysis, polyamines analysis, alkaloids analysis, steroids analysis, neurotransmitters analysis, animal pigment type analysis, hormones analysis, flavor substances analysis, veterinary drugs residue analysis, antibiotic residues analysis, targeted (off-targeted) metabolomics analysis, the intestinal contents and fecal microbes metabolites analysis, pharmacokinetic analysis, etc.

Elements detection: constant elements: carbon, nitrogen, hydrogen, sulfur, phosphorus, oxygen, etc. Trace elements: iron, zinc, copper, lead, arsenic, cadmium, chromium, etc.

Fatty acids: distribution of 35 fatty acids, distribution of 41 fatty acids, short-chain fatty acid (volatile fatty acid VFA).

Amino acids: 17 amino acids composition, 20 amino acids composition, 42 amino acids composition.

Enzyme activity test: amylase, lipase, filter paper enzyme, β -d-fiber diglycosidase, alanine aminotransferase, salicylase, carboxymethyl cellulase, etc.

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