APPARATUS FOR DETECTING PREGNANCY IN SOWS Russian patent published in 1997 - IPC

FIELD: animal husbandry; veterinary practice. SUBSTANCE: proposed apparatus functions according to ultrasonic method and comprises metallic cylindrical casing divided by metallic partition into two compartments, one of which houses power supply source, while other compartment is sealed and houses electronic unit. Latter is attached to casing by layer of highly adhesive mastic applied onto inner surface of casing. EFFECT: greater accuracy of diagnosis due to reduced effect of dynamic loads and various media onto functional components of apparatus. 4 cl, 2 dwg