Studies On the Biology of the Texas Fever Tick
Studies On the Biology of the Texas Fever Tick
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Gregory . Tex. , and examined for cattle ticks, with negative results. The rabbit tick (Ilsrmaphyaalis leporis-palu. */ris) was found on both jacks and cottontails, but was much more abundant on the former.
34 BIOLOGY OF THE TEXAS-FEVER TICK.
the previous day to allow the larvae to reach the skin with greater ease. In another, made September 25, the progeny of females matured on a horse were used.
The record of the one infestation that was partially successful is as follows : July 24, 1907, a s...heep was infested with larvae hatched June 28-July 13. July 27, several larvae were attached to the ventral surface of the body. August 10, one female tick a little over one-fourth grown was located on theoutside of the left ear. August 12, tick had disappeared. There was a bloodstain where the tick had been attached, sug- gesting that it may have been crushed.
In two of the negative experiments dead larvae were found in the wool and also attached to the skin. At each infestation thousands of larvae were applied, and, in most cases, to all parts of the body.
What to read after Studies On the Biology of the Texas Fever Tick?
You can find similar books in the "Read Also" column, or choose other free books by H W Harry Webster Graybill to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Gregory . Tex. , and examined for cattle ticks, with negative results. The rabbit tick (Ilsrmaphyaalis leporis-palu. */ris) was found on both jacks and cottontails, but was much more abundant on the former.
34 BIOLOGY OF THE TEXAS-FEVER TICK.
the previous day to allow the larvae to reach the skin with greater ease. In another, made September 25, the progeny of females matured on a horse were used.
The record of the one infestation that was partially successful is as follows : July 24, 1907, a s...heep was infested with larvae hatched June 28-July 13. July 27, several larvae were attached to the ventral surface of the body. August 10, one female tick a little over one-fourth grown was located on theoutside of the left ear. August 12, tick had disappeared. There was a bloodstain where the tick had been attached, sug- gesting that it may have been crushed.
In two of the negative experiments dead larvae were found in the wool and also attached to the skin. At each infestation thousands of larvae were applied, and, in most cases, to all parts of the body.
What to read after Studies On the Biology of the Texas Fever Tick?
You can find similar books in the "Read Also" column, or choose other free books by H W Harry Webster Graybill to read onlineMoreLess
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