This will interest farm enthusiasts. This was used to follow sow’s heat cycles to manage breeding, pregnancy, and births of piglets. Call this the analog breeding app. These are rare now. Shows it’s age and rough environment used in.

$ 320 In stock 2025-04-20 https://ohmy.ca/nova-scotia/pets/other/antique-hog-breeding-cycle-charter_1783520.html

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