Catherine

Which of the following situations have a higher microbiological risk?

• Irrigation with treated wastewater and using the drip method

• Irrigation with surface water and using surface irrigation

• Irrigation with ground water and using furrow irrigation

Listeria monocytogenes is able to multiply at temperatures at +4 °C.

• TRUE

• FALSE

The most important reservoir of VTEC is the gastrointestinal tract of

• RUMINANTS

• PIGS

• POULTRY

Growers should do microbiological analysis of water in these types of crops

• FRUIT TREE

• POTATOES

• LEAFY VEGETABLE EATEN RAW

Say which of these practices may represent a hazard in primary production of tomatoes

• Using wastewater for irrigation or in application of plant protection products

• Using manure before planting the crop

• Using bare hands in harvest