University Lectures Delivered by Members of the Faculty in the Free Public Lecture Course, Volúmenes3-4;Volúmenes1916-1917The University, 1917 |
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... larvæ hatched from its eggs and that these larvæ , when they become attached to the skin of the cow , inject the parasite into the blood of the animal . The cattle in the tick - infested district being inoculated in this manner when ...
... larvæ hatched from its eggs and that these larvæ , when they become attached to the skin of the cow , inject the parasite into the blood of the animal . The cattle in the tick - infested district being inoculated in this manner when ...
Página 214
... larvæ ticks become attached to the skin of cattle which were not raised in the tick district , and which are therefore not immune , the injection of the para- site into their blood produces the disease known as Texas fever . Studies of ...
... larvæ ticks become attached to the skin of cattle which were not raised in the tick district , and which are therefore not immune , the injection of the para- site into their blood produces the disease known as Texas fever . Studies of ...
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