The Action of Arsenical Dips in Protecting Cattle From Infestation With Ticks
The Action of Arsenical Dips in Protecting Cattle From Infestation With Ticks
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In our eReader you can find the full English version of the book. Read The Action of Arsenical Dips in Protecting Cattle From Infestation With Ticks Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Action of Arsenical Dips in Protecting Cattle From Infestation With Ticks
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1901 June 20 '.
. 1229 . 2023 It is seen that at the time of the first dipping there was present in the bath 0. 1847 per cent of As 2 O 3 and a total amount of arsenic equivalent to 0. 1851 per cent of arsenic trioxid. And on June 20. Two days after the last dipping. 0. 1229 per cent of As, O 3 and a total amount equivalent to 0. 2022 per cent arsenic trioxid. The actual amount of As. , 0;, present had decreased during the course of the dip- ping about one-third through oxidation, and the perce...ntage of total arsenic had increased slightly as a result of evaporation.
Each animal was kept in the dip two minutes.
, There were 12 animals (calves) in the experiment, all being north- ern cattle (nonimmune). Each animal was infested with the seed ticks hatched from 2 . Grams of eggs. The seed ticks used were the progeny of engorged females (Margaropus annulatus) collected at Fort Worth, Tex.. May 3, 1912.
Previous to the time the calves were 'infested they were kept in a yard provided with shelter, which they might seek when they desired.
What to read after The Action of Arsenical Dips in Protecting Cattle From Infestation With Ticks?
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:
1901 June 20 '.
. 1229 . 2023 It is seen that at the time of the first dipping there was present in the bath 0. 1847 per cent of As 2 O 3 and a total amount of arsenic equivalent to 0. 1851 per cent of arsenic trioxid. And on June 20. Two days after the last dipping. 0. 1229 per cent of As, O 3 and a total amount equivalent to 0. 2022 per cent arsenic trioxid. The actual amount of As. , 0;, present had decreased during the course of the dip- ping about one-third through oxidation, and the perce...ntage of total arsenic had increased slightly as a result of evaporation.
Each animal was kept in the dip two minutes.
, There were 12 animals (calves) in the experiment, all being north- ern cattle (nonimmune). Each animal was infested with the seed ticks hatched from 2 . Grams of eggs. The seed ticks used were the progeny of engorged females (Margaropus annulatus) collected at Fort Worth, Tex.. May 3, 1912.
Previous to the time the calves were 'infested they were kept in a yard provided with shelter, which they might seek when they desired.
What to read after The Action of Arsenical Dips in Protecting Cattle From Infestation With Ticks?
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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