GB/T 25171-2023Vocabulary of livestock and poultry environment and waste management (English PDF)

1 Scope

This document defines terms related to livestock and poultry breeding environment and waste management:

This document applies to livestock and poultry breeding environment and waste management and related fields:

2 Normative references

This document has no normative references:

3 Basic Terminology

3:1

The sum of all natural factors surrounding livestock:

Note: Including (1) air environmental factors: thermal environmental factors such as air temperature, humidity, airflow, heat radiation, air composition, harmful gases, air microorganisms, airborne (2) Water environmental factors: water source, water quality, etc:; (3) Light environmental factors: light and radiation; (4) Acoustic environmental factors: noise (5) Harmful biological factors: rats, mosquitoes, parasites and pathogenic microorganisms, etc:

3:2

Using the principles and methods of engineering technology, the environmental control system design, environmental regulation and management and forecasting of livestock and poultry farms and livestock houses are carried out:

Technical measures taken to prevent, reduce and eliminate environmental pollution, protect and improve environmental quality:

3:3

The general term for feces, urine, sewage, livestock and poultry carcasses, waste litter, etc: produced in the process of livestock and poultry breeding:

3:4

The general term for feces, urine, sewage, breeding litter and a small amount of scattered feed produced in the livestock and poultry breeding process:

Note: Sewage is generally flushing water mixed with feces and urine, dripping drinking water, etc:

3:5 solid manure

Livestock and poultry manure with a dry matter (DM) content >= 15%:

3:6 liquid manure

Livestock and poultry manure with a dry matter (DM) content < 15%: