Poultry house cleanout machine: Manure pickup device designed for use in obstruction-free area under strings of poultry cages shows high efficiency
AuthorsSamuel A. Hart
I. J. Szluka
G. R. Giannini
Authors AffiliationsSamuel A. Hart is Associate Agricultural Engineer, University of California, Davis; I. J. Szluka is Assistant Specialist in Agricultural Engineering, University of California, Davis; G. R. Giannini is Senior Laboratory Mechanician, University of California, Davis.
Hilgardia 13(4):13-14. DOI:10.3733/ca.v013n04p13. April 1959.
A self-propelled machine–capable of picking up 0.5 cubic yard of poultry manure in 3-4 minutes–has been developed for use in poultry houses where individual and colony cages confine laying chickens. The cages have wire tops, walls, and floors. The wire floor–usually of welded wire of l"x2" mesh spacing– is about 3' above ground level. Eggs are caught on the wire floor and roll to the egg tray at the front of the cage. Defecation passes through the wire mesh and accumulates in a windrow on the ground. This accumulated manure is a serious sanitation problem, as it is a good breeding medium for the common housefly.
Also in this issue:Cotton price and production: Lower total farm earnings in 1959 prospect for California growers whether operating under Allotment Plan A or Plan B
Commercial cut flower industry: Further production increases without substantial increase in acreage may cause changes in successful marketing practices
Gibberellins on chrysanthemum: Properly timed applications of potassium gibberellate sprays improved flower shape of two commercial varieties of pompon
Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields
Summer-planted solana berries: Tests in southern California and also at Davis show early summer plantings of new strawberry yield with variety Lassen
Herbicides on rangeland forage: Reduction of plant competition during seedling establishment on annual ranges by application of pre-emergence herbicides
Herbicides on white potatoes: Weed control field trials with seven herbicides conducted in San Bernardino County with varying results in effectiveness
Codling moth investigations: Severe infestations in northern California walnut orchards in 1958 followed conditions favorable to the second brood
Parathion resistant mites: Performance of new acaricides evaluated in trials against strain of mites known to be resistant to phosphate compounds
Management of: Second growth stands of Douglas-fir
Nitrate concentration and ion balance in relation to citrus nutrition