DULCE I. MONTANO VALDEZ

-Disinfection, drying and milking of the cows.

-Detection, reporting and separation of sick cows or bleeding from the udder.
-Cleaning during and the finish the work.

Taking of sample for DNA analysis in cucumber cultivation.

Counting and registering cucumbers obtained per plant.

Determine the length, durability, coloration and shape of the cucumbers.

Evaluation of the vigor, growth and fertility in cucumber plants.

Selection of quality plants.

Interpretation and reporting of physicochemical studies in juice tomato and green tomato "tomatillo".

Determination of: color, pH, taste, °Bx and defects of tomato juice and tomatillo in process and finished producto.

Microscopic inspection of the finished product for the identification of fungi present.

Review of cleanliness and release of production lines.

Calibration and use of the potentiometer, refractometer, consistometer and colorimeter.

Sowing in solid medium enriched of microorganisms.

Identification and count of aerobic mesophiles, fecal coliforms, total coliforms, fungi and yeasts of the process

and finished product (melon, onion, poblano pepper, red bell pepper, yellow bell pepper and green bell pepper).

Sowing in liquid enriqued medium for the identification of pathogenic organisms: Listeria sp, Salmonella and

E. coli (0157:H7).

Catalase monitoring and testing.

Sterilization of laboratory instruments.

Review of cleanliness and release of production lines.

Aplication of good laboratory practices (GLP).

Aplication of good manufacturing practices (GMP).

HACCP