Livestock feeder

Animal husbandry – Feeding device

Reexamination Certificate

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Details

C119S061520

Reexamination Certificate

active

06363885

ABSTRACT:

This invention deals with the field of livestock feeding and in particular with a novel method of feeding hay or other feed to livestock such as horses, elk, cattle, llamas and so forth, and a feeder for accomplishing the disclosed method.
BACKGROUND
A major problem for livestock producers is that considerable feed is wasted because of the way animals eat. Animals reach into a feeder and pull out hay in their mouths, some of which drops to the ground outside the feeder where it is trampled and lost.
The problem has been addressed in prior art feeders as for example in U.S. Pat. No. 5,127,368 to the present inventor, Akins. In that device, the animals head, when obtaining feed, is well inside the outer walls of the feeder, so that dropped hay falls inside the feeder. The effect is similar in U.S. Pat. No. 4,706,609 to Delichte.
These feeders and other such feeders as are presently known provide a horizontal separation between the feed and animal, however it is not known to provide an initial vertical separation between the feed and animal in addition to, or in combination with the horizontal separation. Some vertical separation results in prior art feeders when the bale or other feed is almost used up, as the animal then must reach down over a skirt on the exterior circumference of the feeder to access the feed. At that point, however, there is no horizontal separation, as the spilled feed is separated from the animal only by a vertical wall.
It is not known in present feeders to direct feed falling from an animal's mouth back into the original feed location that is horizontally separated from the animal. Such feed presently falls into the space between the original feed location and the outer skirt. Feed accumulates in this area where the animal has free access thereto with no horizontal separation. The animal pulls this feed outside the skirt to eat, where dropped feed falls to the ground and is wasted.
Separating the feed vertically as well as horizontally, and providing means to direct dropped feed back into the original, horizontally separated location, would be advantageous in reducing feed waste.
Feeders such as the Akins and Delichte devices are large, expensive and not readily portable by hand. They are generally not well suited to feeding two or three animals, where smaller bales, or even loose hay, might be the preferred feed.
Where a small feeder is desired, there are presently available only troughs or tubs, often made by turning large tires inside out. Hay is placed inside the tub and animals reach over the top and pull the hay out to eat. Much hay is wasted as it drops to the ground from the animals mouth, as there is no horizontal separation of the animal and feed.
Particularly with horses, owners are concerned about injuries. When feeding, horses can be injured by bumping their front legs, particularly knees, against the vertical sides of a feeder.
Many prior art feeders also have a horizontal rail under which the animal must reach to feed, thereby keeping the animal from raising its head and pulling feed outside the feeder. Slanted side rails serve a similar purpose. Animals naturally try to raise their heads when eating, and so rub their necks on these devices, which can cause injury over time.
Small feeders are often moved short distances, for example from pen to pen. Present small feeders, such as those made from tires, are heavy and difficult to move.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a method of feeding livestock that reduces waste of feed. It is a further object of the present invention to provide such a method that reduces injury to livestock.
It is a further object of the present invention to provide a feeder that reduces waste of feed. It is a further object of the present invention to provide such a feeder that reduces injury to livestock. It is a further object of the present invention to provide such a feeder that is easy to move short distances.
The invention accomplishes these objects providing a feed saving method of feeding livestock comprising containing feed in a container; horizontally and vertically separating said feed from the animal to be fed, thereby forcing said animal to reach its mouth over the horizontal separation and down the vertical separation to obtain said feed; catching feed dropped from said animal's mouth and directing said dropped feed back into said container.
In order to reduce injury to the legs of feeding animals, the method could comprise the further step of preventing the knees of a feeding animal from contacting the feed container or separation means.
The invention also provides a feed saving livestock feeder comprising a feed containing portion; a separating portion recessed inwards from the outer periphery of said feed containing portion, and extending upwards from said feed containing portion; and a feed catching portion sloping upwards and outwards from the top of said separating portion; wherein said animal must pass its mouth over said feed catching portion, then down through said separating portion before obtaining feed contained in said feed containing portion and whereby feed dropping from said animal's mouth onto said feed catching portion slides down into said feed containing portion.
The feed is thus horizontally and vertically removed from the feeding animal which must reach across the horizontal width of the feed catching portion and down the vertical height of the feed catching and separating portions before obtaining food from the feed containing portion. As the animal lifts its head to eat, falling feed drops onto the feed catching portion and slides down the slope thereof back into the feed containing portion.
Proper proportioning of the three portions will allow the feeder to be effective for various sizes of animals. For many animals, the proper separation of animal and feed will be maintained by having the outer periphery of the feed containing portion correspond substantially with the outer periphery of the outer edge of the feed catching portion. When the animal stands with its feet next to the side of the feed containing portion, the outer edge of the feed catching portion will be under its neck, with its mouth positioned over the feed catching portion.
Various slope angles for the feed catching portion will work as all that is required is that the feed slide down the slope into the feed catching portion. It is contemplated that for most animals and feeds, an angle between thirty and sixty degrees will provide the right combination of slope and horizontal/vertical separation.
The feeder accomplishes the feed saving purpose without restricting the animal's head, and without anything on which the animals neck would rub. It is the separation of the animal and the feed combined with the sloped feed catching portion that provides the feed saving feature, rather than any unnatural confining of the animal's movement. To further reduce animal injury the recessed separating portion could coincide with the knees of the animal when the animal's feet are adjacent to the feed containing portion. As the knees are particularly susceptible to injury, such positioning of the recess would allow the animal to lift its feet normally while standing in a feeding position adjacent the feeder, with the knees allowed to enter the recess and so preventing contact with the feeder and possible injury.
The feed containing portion and the outer edge of the feed catching portion could have a circular periphery, rectangular periphery or some polyhedron or oval shape, and could be different. It is contemplated that the most useful embodiment will have the periphery of each substantially the same, and substantially vertically coincidental.
An advantage of a circular or oval periphery is that there are no sharp comers that would increase the possibility of injury to animals. Such a periphery would also provide the same horizontal separation at all points around the feeder. A further advantage of the circular periphery is that the feeder could be tilted u

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