Proposed Re-evaluation Decision PRVD2021-11, Dried Blood and Its Associated End-use Products

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Table of contents

Proposed re-evaluation decision

Under the Pest Control Products Act, all registered pesticides must be re-evaluated regularly by Health Canada's Pest Management Regulatory Agency (PMRA) to ensure that they continue to have value and meet current health and environmental safety standards. The re-evaluation considers data and information from pesticide manufacturers, published scientific reports, and other regulatory agencies. Health Canada applies internationally accepted risk assessment methods as well as current risk management approaches and policies.

Dried blood is an outdoor animal repellent used against deer, elk, hares and rabbits to prevent feeding/browsing damage to established and seedling conifers, as well as outdoor ornamentals. Dried blood end-use products are formulated either as a soluble powder (to be mixed with water and applied by dipping or spraying using pressurized hand or backpack equipment) or as a ready-to-use solution. Currently registered products containing dried blood are listed in Appendix I of PRVD2021-11, Dried Blood and Its Associated End-use Products.

Dried blood is a biological substance with a non-toxic mode of action and has value in providing a pest management solution. Based on the current use pattern of dried blood, dietary exposure to dried blood is not anticipated. The potential occupational, residential, and bystander risks are considered to be acceptable when products containing dried blood are used according to label directions. The potential environmental risk is considered acceptable when products containing dried blood are used according to label directions. As a result of re-evaluation, no additional mitigation measures are proposed. However, updates to standard label statements as per current labelling standards are proposed (Appendix II of PRVD2021-11).

Under the authority of the Pest Control Products Act and based on an evaluation of available scientific information, Health Canada is proposing that products containing dried blood are acceptable for continued registration for sale and use in Canada, provided that the proposed updates to label directions are in place. This document presents the proposed regulatory decision for the re-evaluation of dried blood. All products containing dried blood registered in Canada are subject to this proposed re-evaluation decision.

Next steps

The public including the registrant and stakeholders are encouraged to submit comments and information on this proposed decision during the 90-day public consultation periodFootnote 1 upon publication of this proposed re-evaluation decision.

All comments received during the 90-day public consultation period will be taken into consideration in preparation of the re-evaluation decision document,Footnote 2 which could result in revised risk mitigation measures. The re-evaluation decision document will include the final re-evaluation decision, the reasons for it and a summary of comments received on the proposed re-evaluation decision PRVD2021-11 with PMRA's responses.

Additional scientific information

Additional scientific data are not required at this time.

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