. Veterinary studies for agricultural students. Veterinary medicine. FIG. 73. SHEEP SCAB MITES. Psoroptes, male {Cur- Sarcoptes (.Lugger). Sarcoptes (Pettit). Head scab. Head scab. licit. Body scab. Possible mistakes. —It is well to bear in mind that certain oth- er conditions may be mistaken for sheep scab, particularly disor- ders of the skin, produced by other external parasites ; for instance, lice and sheep ticks. We have had in Minnesota an interesting outbreak of skin disease among sheep which on superficial exami- nation resembled rather closely sheep scab, but was due to the awns of a
. Veterinary studies for agricultural students. Veterinary medicine. FIG. 73. SHEEP SCAB MITES. Psoroptes, male {Cur- Sarcoptes (.Lugger). Sarcoptes (Pettit). Head scab. Head scab. licit. Body scab. Possible mistakes. —It is well to bear in mind that certain oth- er conditions may be mistaken for sheep scab, particularly disor- ders of the skin, produced by other external parasites ; for instance, lice and sheep ticks. We have had in Minnesota an interesting outbreak of skin disease among sheep which on superficial exami- nation resembled rather closely sheep scab, but was due to the awns of a certain wild grass ( Stipea Sparta) wild oats. It devel- oped that these sheep had been pastured where this grass was abundant, and at a time when the awns were readily separated. These little spear-like bodies gradually worked their way through Digitized by Microsoft®. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Reynolds, Myron Herbert, 1865-. St. Paul, St. Anthony Park, Minn. , The author
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectveterin, bookyear1903
