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US 5,074,248 AGranted
Pig farrowing and weaning apparatus
OwnerCharles S. Loaderinventor
Life of this patent
Estimating the term…
Abstract
Pig farrowing apparatus comprises a restraining crate for a sow, a delivery chamber having a grid floor separated from the sow by a hinged door or flap, a piglet rearing chamber communicating with the delivery chamber and joined thereto by a ramp, and piglet feeding apparatus for delivering feed to piglets contained in the piglet rearing chamber and comprising milk extracted from the mother or another sow and/or artificially produced feed product.
Claims9
In a pig farrowing apparatus of the type having:
- restraining means for restricting the orientation of a sow during delivery, and
- a delivery chamber separated from said restraining means by a closable opening,
- the improvement comprising:
- door means closing said opening, said door means being openable to allow a piglet into said delivery chamber,
- means closing said door to prevent the return of said piglet to said restraining means;
- a substantially horizontal grid floor in said delivery chamber serving to prevent excessive piglet movement upon entry therein so as to limit umbilical cord damage and to provide drainage of residual body fluids;
- a feeder chamber alongside but separated from said sow restraining means;
- linkway means linking said delivery chamber to said feeder chamber, said linkway means including a ramp inclined downwardly to said feeder chamber, said linkway means being adapted to allow a piglet to move from said delivery chamber to said feeder chamber but to prevent its return into said delivery chamber;
- and
- feeder means in said feeder chamber for making available feed to piglets therein.
7 more elements
A method of farrowing a sow and rearing piglets, comprising the steps of:
- separating the piglets from the sow physically at parturition and confining them in a chamber alongside the sow where they can receive natural stimulation from the sow but are not physically endangered thereby;
- milking said sow at least during a preliminary period during which colostrum is produced to obtain colostrum-bearing milk, and;
- delivering said colostrum-bearing milk to piglet feeding apparatus for feeding said piglets in said chamber.
Dependencies are inferred from the claim text.