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pp_117

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Depositor
Karen Dykes
Date Uploaded
Date Modified
2021-12-09
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passed on August 08, 2024 at 14:06
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Height: 2782
Width: 1932
File Format: tiff (Tagged Image File Format)
File Size: 16150088
Filename: 7113_pp_117.tif
Last Modified: 2025-05-05T23:02:34.348Z
Original Checksum: 2f191d096c00bf91b1693a101dd98487
Mime Type: image/tiff
Creator Transcript
  • Ondatra Breeding:- Took a [female symbol] on July 13 that had 7 placental scars + 6 new implantations some milk in the lactal ducts but no active lactation. Another [female symbol] had some blood in vaginal orifice. Reindeer Station. July 16/47 [1947] In evening worked 1st [first] lake + 3rd [third] lake intensively. In areas where burrows are occupied on shoreline with a broad slope or flat between the bank + the water the rats have burrows from 10 to 15 ft [feet] in length before they leave the water. In a few places these take the form of shallow [word crossed out] grooves - ie burrows with the roof off. These burrows are interconnected + there are places somewhat higher than the rest where the burrow is not completely filled with water. Here there are feeding areas. At this time of year most burrows contain extensive accumulations of food - 90% Equisetum. Possibly the [female symbol]'s do much of their feeding within the burrow when they have young. Breeding:- We examined 3 [female symbol]'s this evening - In all the nipples were
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