Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Alvin F. Loyacano"'
Autor:
Andy A. DeRosa, Valerie K. Shostrom, Jeffery A. Gurie, Alvin F. Loyacano, T. L. Skogerboe, James C. Williams
Publikováno v:
Journal of the American Veterinary Medical Association. 218:1465-1468
Objective—To compare effects of an injectable doramectin preparation with those of an injectable ivermectin-clorsulon preparation on control of gastrointestinal nematodes and liver flukes and on growth performance in cattle.Design—Randomized comp
Publikováno v:
Annals of the New York Academy of Sciences. 653:389-397
A geographic information system (GIS) was constructed in an ERDAS environment using maps of soil types from the USDA Soil Conservation Service, LANDSAT satellite multispectral scanner data (MSS), boundaries for 25 study farms, and slope and hydrologi