New Procedure for Radio Transmitter Attachment: Oviduct Insertion

Peaks, Stephan; McKinley, R. S.; Beddow, T. A.; Marmulla, G.

doi:10.1577/1548-8675(1997)017<0757:npfrta>2.3.co;2

Cited by 15 publications

(16 citation statements)

References 11 publications

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“…A variety of methods for transmitter attachment have been developed; the advantages and disadvantages of each have been elucidated to a large degree, especially for the salmonids (see Peake et al, 1997). A variety of methods for transmitter attachment have been developed; the advantages and disadvantages of each have been elucidated to a large degree, especially for the salmonids (see Peake et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of four methods of transmitter attachment on shortnose sturgeon, Acipenser brevirostrum

et al. 2002

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Section: Introductionmentioning

confidence: 99%

Evaluation of four methods of transmitter attachment on shortnose sturgeon, Acipenser brevirostrum

et al. 2002

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“…The larger transmitters affected egg expulsion and viability in the rainbow trout. Both the Peake et al (1997) study and our work show that even if transmitters are not expelled with eggs, oviduct insertion can be a viable method of attachment for short-term biotelemetry studies. Daily monitoring of muskellunge and northern pike illustrated their early spring movements and use of habitat in all three lakes that we studied.…”

Section: Discussionmentioning

confidence: 62%

“…Although our studies were the first attempts to have radio transmitters expelled with eggs, Peake et al (1997) used oviduct insertion to track adult female Atlantic salmon, Salmo salar, and rainbow trout, Onchorynchus mykiss (1.7-3.6 kg each). Because the transmitters used by Peake et al for salmon and trout were intended to remain in the fish, they were much larger (9.9 g) than the transmitters we used.…”

Section: Discussionmentioning

confidence: 99%

Expulsion of miniature radio transmitters along with eggs of muskellunge and northern pike––a new method for locating critical spawning habitat

2006

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Identification and protection of critical spawning habitat for muskellunge Esox masquinongy and northern pike Esox lucius is important for preserving the reproductive potential of both species. In this study, we implanted miniature radio transmitters through the oviduct into the egg masses of female muskellunge and northern pike just prior to spawning. This non-surgical procedure was a novel approach for identifying spawning sites when transmitters were expelled with the eggs during egg deposition. Preliminary studies in three lakes showed that muskellunge and northern pike deposited many of the transmitters in likely spawning habitat. An inability to find eggs limited our validation of this method, but nevertheless, a relatively high proportion (70%) of northern pike larger than 690 mm (27.2 inches) expelled transmitters in a previously known spawning area in Willow Lake, Minnesota. Shoreline vegetation in that area consisted primarily of sedges Carex spp., and the adjacent water was shallow with substrate consisting of large mats of water bulrush Scirpus subterminalis. A lower proportion (50%) of muskellunge expelled transmitters in Elk Lake, Minnesota. Water depth at likely spawning sites averaged 1.1 m (3.6 feet) and vegetative cover was variable, but Chara spp. was common to most sites. In Moose Lake, Minnesota, containing sympatric populations of muskellunge and northern pike, 60% of muskellunge and 90% of pike expelled transmitters. Chara spp. beds were the predominant substrate where transmitters were expelled in Moose Lake, but the two species deposited transmitters on deepwater bars (3.7-5.2 m) in addition to shallow near-shore habitat. These results suggest more flexibility in depths used for spawning than typically reported for muskellunge and northern pike.

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“…Transmitter size (V6 or V7) had no effect on transmitter retention or expulsion rates in our study. Nonetheless, use of the smallest available transmitter that suits the study system and objectives is recommended to minimize the possibility of oviduct blockage [35] and maximize likelihood of transmitter expulsion during spawning.…”

Section: Discussionmentioning

confidence: 99%

Use of oviduct-inserted acoustic transmitters and positional telemetry to estimate timing and location of spawning: a feasibility study in lake trout, Salvelinus namaycush

Binder

Holbrook

Miehls

et al. 2014

Animal Biotelemetry

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Background: Oviduct-inserted transmitters have shown promise for determining precise location of spawning in fishes. Use of traditional manual tracking to locate expelled oviduct transmitters is laborious and accurate estimates of time of transmitter expulsion require frequent surveys. We tested the feasibility of using oviduct-inserted transmitters with positional telemetry to estimate time and location of spawning in lake trout (Salvelinus namaycush). Three assumptions were tested: (1) oviduct transmitters remain within fish until spawning, (2) oviduct transmitters are expelled with the eggs during spawning, and (3) time and location of oviduct transmitter expulsion can be accurately determined. Results: In the laboratory, 39 of 44 (89%) lake trout retained an oviduct transmitter until end of the spawning period and all premature transmitter expulsions occurred before maturation. Natural spawning in the laboratory was not feasible; however, of 35 ripe trout that retained transmitters, 31 (89%) expelled their transmitter with eggs when subjected to manual stripping. Ability to position transmitters with a telemetry array at known spawning sites in Lake Huron (North America) was poor when oviduct transmitters were placed in the substrate compared to transmitters suspended 1 m above substrate -78% of transmitters in substrate could not be positioned. However, in simulations, time and location of spawning were determined with reasonable accuracy by double-tagging trout with one transmitter that is expelled with the eggs during spawning while another transmitter remains in the fish. Accuracy of estimated time and location of transmitter spatial separation varied with distance traveled from spawning site and swimming speed, and was dependent on transmission delay.

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New Procedure for Radio Transmitter Attachment: Oviduct Insertion

Cited by 15 publications

References 11 publications

Evaluation of four methods of transmitter attachment on shortnose sturgeon, Acipenser brevirostrum

Evaluation of four methods of transmitter attachment on shortnose sturgeon, Acipenser brevirostrum

Expulsion of miniature radio transmitters along with eggs of muskellunge and northern pike––a new method for locating critical spawning habitat

Use of oviduct-inserted acoustic transmitters and positional telemetry to estimate timing and location of spawning: a feasibility study in lake trout, Salvelinus namaycush

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