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Adapost usor in sistem totul gol totul plin
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Alexandru,
Thank-you for your inquiry. Here are some of the details you requested:
-the structure is 9.1 m X 21.3 m
-it is constructed such that the long axis is North-South
-approximately 25% of the total length (about 5.3 m) on the South end is concrete where the feeders and water fountains are located
-the remainder of the length is bedded and has a clay floor at a level about 0.45 m below the level of the concrete portion
-the capacity of the structure is about 180-200 head of grow-finish swine—there should be two feeders and two water fountains available for the entire group
-ventilation is passive. There is an open slot (slide 2 of attached Powerpoint) at the top of the wooden wall that supports the arches, which allows for air intake which then flows over the underside of the canvass roof and flows outward through the arched openings at the top of each end portion of the structure. Slide 3 shows an inside view of the north end closed up for winter, and you can see the ventilation outlet arch. During the summer, both ends are left completely open.
-this system is used extensively in the northern regions of the Midwestern section of U.S. and as far north as Manitoba, Saskatchewan, and Alberta in Canada. As long as pigs are about 18 Kg. when first introduced to the structure, they can accommodate low temperatures.
-please note that the structure in the Powerpoint pictures is divided down the long axis—that is because our farm does not produce enough pigs in each farrowing cohort to fill more than one-half the structure. The center divide is not a typical feature of these structures.
I would also refer you to the book authored by myself and Ioan Hutu, “Alternative swine management systems: Hoop structures for swine” which is available in either English or Romanian from Ioan Hutu at Banat’s University of Agricultural Science and Veterinary Medicine in Timisoara, Ro. Ioan’s email address is: ioan hutu [email protected]
Please let me know if you have further questions,
Gary
