Indicators 4.2

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Indicators 4.2

by Contact on 30 October 2026

4.2.1 – Crustaceans – Health and Welfare

Applicability

Indicators

Description

4.2.1.1

The UoC shall ensure that all relevant employees are trained on general aquatic animal health and welfare awareness, including biosecurity, according to Appendix 12 (12.2, Table 1).

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.2

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4.2.1.3

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4.2.1.4

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4.2.1.5

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4.2.1.6

The UoC shall ensure that a registered veterinarian or aquatic animal health professional periodically visits the site to perform routine checks. Checks shall be carried out at least annually, as well as reactively in cases of crustacean health or welfare concerns.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.7

Indicator applicability: every UoC using feed

The UoC shall develop and implement a feeding plan which includes at least the following:

  1. time and frequency of feeding; and

  2. feed rations; and

  3. feeding methods; and

  4. different environmental conditions; and

  5. prevention of the use of feed which has expired, spoiled or shows signs of excessive leakage; and

  6. feed types for the nutritional needs and life stages of the species.

An exception applies to (f) when such feeds are not available, in which case the UoC shall use feed suitable for aquatic animals with similar nutritional needs.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.8

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4.2.1.8.1

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4.2.1.8.2

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4.2.1.8.3

Indicator applicability: every UoC using feed

The UoC shall ensure the HWMP includes a feeding monitoring process for live crustaceans in accordance with the time and frequency established in the feeding plan (see Indicator 4.2.1.7 a).

Applicable to

Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds
Suspended

Brackish/Marine water
Freshwater

Fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.8.4

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4.2.1.8.5

Indicator applicability: every UoC using feed

The UoC shall ensure the HWMP includes a system to identify acceptable, warning and unacceptable levels of health or welfare for:

  1. water quality (Indicator 4.2.1.8.1); and

  2. morphology (Indicator 4.2.1.8.2); and

  3. feeding (Indicator 4.2.1.8.3); and

  4. mortality (Indicator 4.2.1.8.4).

Where levels are warning or unacceptable, the UoC shall, where possible, increase monitoring and implement corrective actions to restore levels to acceptable.

Applicable to

Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds
Suspended

Brackish/Marine water
Freshwater

Fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.8.6

Indicator applicability: every UoC using feed

The UoC shall ensure the HWMP includes trend analysis to determine changes in health and welfare over time. This analysis shall consider drivers of the trends, and shall be based on the data analysed in Indicator 4.2.1.8.5 and feedback from the processing plant where relevant.

Applicable to

Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds
Suspended

Brackish/Marine water
Freshwater

Fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.8.7

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4.2.1.9

Indicator applicability: every UoC using feed

The UoC shall report the following to a registered veterinarian or aquatic animal health professional:

  1. all mortality events; and

  2. crustacean health and welfare concerns identified during mortality classification.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed

Crayfish
Freshwater prawn
Shrimp

4.2.1.10

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4.2.1.11

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4.2.1.12

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4.2.1.13

Indicator applicability: Penaeus vannamei and Penaeus monodon

The UoC shall demonstrate that received nauplii, larvae or post-larvae (PL) originates from ablation free (AF) female broodstock according to the sourcing requirements outlined in Appendix 12 (12.4, Table 4). This includes an agreement with the hatchery that allows ASC or its designated agents to conduct oversight activities to verify the AF sources within the facility.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Shrimp

4.2.2 – Crustaceans – Handling

Applicability

Indicators

Description

4.2.2.1

The UoC shall develop, implement and maintain a site-specific Handling Management Plan (HMP), with the intent of ensuring good health and welfare of farmed crustaceans.

The HMP shall be periodically reviewed and revised as necessary.

Applicable to

Cages
Other – water based
Suspended
Flowthrough/Raceway
Other – land based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.2.2

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4.2.2.3

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4.2.2.4

The UoC shall ensure that the HMP includes consideration of the environmental conditions associated with handling activities, with the intent of preventing handling under adverse conditions that could affect the health and welfare of the crustaceans.

Applicable to

Cages
Other – water based
Suspended
Flowthrough/Raceway
Other – land based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.2.5

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4.2.2.6

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4.2.2.7

Indicator applicability: every UoC using feed

The UoC shall ensure that the HMP includes a visual inspection process to identify abnormal behaviour in relation to the handling activity and defines mitigation measures when identified.

Applicable to

Cages
Other – water based
Suspended
Flowthrough/Raceway
Other – land based
Ponds

Brackish/Marine water
Freshwater

Fed

Crayfish
Freshwater prawn
Shrimp

4.2.2.8

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4.2.2.9

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4.2.2.10

The UoC shall ensure that the HMP includes consideration of the use of appropriate equipment during handling activities to avoid affecting the health and welfare status of the crustaceans.

Applicable to

Cages
Other – water based
Suspended
Flowthrough/Raceway
Other – land based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.3 – Crustaceans – Slaughter and Killing

Applicability

Indicators

Description

4.2.3.1

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4.2.3.2

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4.2.3.3

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4.2.3.4

The UoC shall ensure ice slurry baths are maintained at ≤4°C at all times and crustaceans are immersed for an appropriate amount of time to be killed effectively.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.3.5

The UoC shall ensure that if electrical stunning devices are used for stunning, the manufacturer’s instructions are followed.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.3.6

The UoC shall ensure that an overdose of anaesthetic is only used to kill crustaceans not destined for human consumption.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp

4.2.3.7

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4.2.3.8

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4.2.3.9

The UoC shall maintain records of the activities carried out under Indicators 4.2.3.4 and 4.2.3.7.

Applicable to

Suspended
Cages
Flowthrough/Raceway
Other – land based
Other – water based
Ponds

Brackish/Marine water
Freshwater

Fed
Non fed

Crayfish
Freshwater prawn
Shrimp