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1. WO2020109756 - APPARATUS FOR PRODUCING A STERILIZED ANIMAL POPULATION

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Claims

1 . Apparatus for shielding a non-human animal from a sierilizant comprising;

a space for accommodating a non-human animal, and

a shield for shielding part of a non-human animal which is accommodated in the space from a steriiizant.

2. An apparatus according to claim 1 wherein the shield is a radiation shield.

3. An apparatus according to either of claims 1 or 2 which comprises a plurality of spaces for accommodating non-human animals separately.

4. An apparatus according to any preceding claim wherein the volume of the space, or each space, is no greater than 0.001 m3

5. An apparatus according to any preceding claim wherein the volume of the space, or each space, is less than 0.0001 m3 or less than 0.00001 m3.

6. An apparatus according to any of claims 1 -5 wherein the volume of the space, or each space, is within the range of 1 .5x10 8m3 to 3.8x10 7 m3.

7. An apparatus according to any preceding claim further comprising a means for moving the space or the plurality of spaces through radiation or a

chemosterilizant.

8. An apparatus according to claim 7 wherein the means for moving the space or the plurality of spaces through radiation or chemosterilizant is a conveyor.

9. An apparatus according to either of claims 7 or 8 wherein the means for moving the space or the plurality of spaces follows a curved path.

10. An apparatus according to any preceding claim wherein the space is elongate so that the movement of a non-human animal accommodated in the space is restricted.

1 1. An apparatus according to any preceding claim further comprising a device for lowering the temperature within the space.

12. An apparatus according to any preceding claim wherein the space is formed in the shield.

13. An apparatus according to any preceding claim wherein the space is formed as a well.

14. An apparatus according to any of claims 1 -1 1 wherein the space is formed as a well and the shield forms a removable lid which is adapted to be fitted over the well.

15. An apparatus according to any preceding claim wherein the space contains a fluid.

16. An apparatus according to any preceding claim wherein the shield is a radiation shield and the apparatus further comprises a source of ionizing radiation.

17. An apparatus according to claim 16 wherein the source of ionizing radiation and the radiation shield are arranged such that only a selected part of a non human animal accommodated in the space is fully exposed to radiation.

18. An apparatus according to any of claims 1 -15 further comprising a source of chemosterilizant.

19. An apparatus according to claim 18 wherein the source of chemosterilizant and the shield are arranged such that only a selected part of a non-human animal accommodated in the space is exposed to chemosterilizant.

20. Apparatus for exposing part of a non-human animal to a sterilizant comprising;

a body which defines a space for accommodating a non-human animal, wherein the body is adapted to support a non-human animal present in the space in an orientation which permits a part of the non-human animal to be introduced into a bath of liquid sterilizant, without other parts of the non-human animal being exposed to the liquid sterilizant.

21. Apparatus according to claim 20 wherein the body is formed by a mesh support.

22. A combination of an apparatus according to either of claims 20 or 21 and a bath for holding liquid sterilizant.

23. A combination according to claim 22 wherein, when a non-human animal is present in the space and the apparatus is deposited in the bath, the bath may be filled with sterilizant and the depth of the bath is arranged so that even when the bath is full of sterilizant, a portion of the non-human animal is held above the sterilizant level.

24. A method of preparing a non-human animal for sterilization comprising the step of depositing a non-human animal into the space of an apparatus or combination according to any of the preceding claims.

25. A method according to claim 24 further comprising the step of exposing a part of the non-human animal to radiation or a chemosterilizant.

26. A method according to either of claims 24 or 25 wherein the non-human animal is an arthropod.

27. A method according to any of claims 24 to 26 wherein the non-human animal is an insect.

28. A sterile animal technique comprising the steps of subjecting a non-human animal to a method of sterilization according to any of claims 25-27, and releasing the non-human animal into the wild.