Method and substance for the detection of cows in estrus

Details Method and substance for the detection of cows in estrus Method and substance for the detection of cows in estrus

1986-01-21

1987-09-29

Swiatek, Robert P.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

A01K 2900

Patent

active

046962581

ABSTRACT:
A substance for facilitating the detection of estrus applied to the tailhead and rump of a cow as a patch comprises a mass of microencapsulated dye mixed in a suitable paint. The paint dries as a durable layer the color of which will change when substantial pressure is applied for a predetermined time. Should the cow be mounted by another animal for say five seconds or more a large portion of the microcapsules will break and release the dye which colors the patch. The cows with colored patches can then be found by periodic inspection and removed from the herd for insemination.

REFERENCES:
patent: 3076431 (1963-02-01), Rule et al.
patent: 3158133 (1964-11-01), Larson
patent: 3469439 (1969-09-01), Roberts et al.
patent: 3942475 (1976-03-01), Wassilieff et al.
patent: 4307169 (1981-12-01), Matkan

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