Bait shyness of two gerbils, <i>Tatera indica indica</i> Hardwicke and <i>Meriones hurrianae</i> Jerdon

Ishwar, Prakash; Jain, A. P.

doi:10.1111/j.1744-7348.1971.tb04669.x

Cited by 20 publications

(9 citation statements)

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“…It induces shyness among a number of field rodents even after a single exposure (Prakash & Jain, 1971;Prakash, Rana & Jain, 1975). The results of the present study suggest that brodifacoum and chlorophacinone can be used effectively for the control of F. pennanti.…”

Section: Resultsmentioning

confidence: 99%

Laboratory evaluation of anticoagulant-treated baits for control of the northern palm squirrel, Funambulus pennanti Wroughton

Mathur

Ishwar

1980

J. Hyg.

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SUMMARYIndividually caged northern palm squirrels, Funambulus pennanti, were fed with bait containing 0-025 00 warfarin or fumarin, 0'0075 % chlorophacinone or 0-005 %o brodifacoum for a fixed number of days varying from 1 to 14. Brodifacoum (WBA 8119) was found most toxic since 66 % and 70 % of the animals died after one and two days' feeding respectively. Chlorophacinone killed 70 % of the squirrels after three days' feeding. Squirrels were relatively tolerant to warfarin and fumarin since the mortality after a period of 14 days' feeding was only 58 % and 75 % respectively.

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Section: Resultsmentioning

confidence: 99%

Laboratory evaluation of anticoagulant-treated baits for control of the northern palm squirrel, Funambulus pennanti Wroughton

Mathur

Ishwar

1980

J. Hyg.

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“…Consequent on ingestion of sub-lethal doses of rodeaticides rats and gerbils were shown to avoid all food initially followed by refusal of the particular food that caused illness, such behaviour was termed bait/poison shyness (Rzoska 1953;Prakash and Jain 1971). The duration of time upto which such baits are refused was shown to vary from species to species and was dependent on baits and poisons employed.…”

Section: Discussionmentioning

confidence: 99%

“…The method was slightly altered from that of Prakash and Jain (1971). Ten mice of each sex were offered weighed amounts of ragi (Eleusine corocana) mixed with 10% gingelly oil (Seasamum indicum) wt/wt and wheat (Triticum aestivum) for four continuous days.…”

Section: Test For Bait Shyness Towards Zinc Phosphidementioning

confidence: 99%

“…Several indian species of rats and gerbils have been shown to exhibit the phenomenon of bait or poison shyness (Prakash and Jain 1971;Prakash et al 1975;Sridhara and Srihari 1978), wherein the animals after ingesting bait containing sublethal amounts of zinc phosphide were capable of associating the gastrointestinal distress caused by the rodenticide with the bait and consequently refused such baits on subsequent presentation. Such association memory was retained for various lengths of periods.…”

Section: Introductionmentioning

confidence: 99%

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Zinc phosphide and vacor induced bait shyness and its persistence inMus platythrix

Sridhara

Srihari

1980

Proc. Indian Acad. Sci. (Anim. Sci.)

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The study was aimed at detecting the development of bait shyness towards zinc phosphide and racer in Musplatythrix and its persistence. Both the rodenticides induced poison aversion after single ingestion of sub lethal quantities, while bait shyness towards zinc phosphide lasted 170 days, racer produced poison shyness persisted upto 120 days. Based on these results it may be concluded that poisoning M. platythrix with zinc phosphide and vacor should be done for a single day only and residual population be killed by other means. Secondly control of M. platythrix by zinc phosphide poisoning should not be repeated till 170 days and that of racer till 120 days.

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“…Abernathy (Note 3) unsuccessfully attempted to condition visually mediated avers ions (tinted water) in gerbils with multiple conditioning trials; however, aversions were established with some difficulty to flavored water. Specifically , the gerbil is capable of metabolizing the water from relatively dr y laboratory chow and is therefore almost independent Prakash and Jain (1971) obtained baitshyness in two species of Indian gerbils (Tatera indica indica Hardwicke and Meriones hurrianae Jerdon) by lacing the animals' diet with toxic zinc phosphide. This treatment produced an aversion to the diet even when zinc phosphide was absent.…”

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confidence: 99%

Illness-induced aversion learning in a desert species of rodent (Acomys cahirinus)

Etscorn

1977

Psychobiology

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The spiny mouse (Acomys cahirinus) can learn an illness-induced aversion in one trial. After six sessions of baseline drinking, mice were made ill by a toxic injection of lithium chloride (US) 30 min after hav ing drunk from a novel sucrose solution (CS). Two days later, the animals were tested for the presence of aversions by offering them a simultaneous choice of drinking either sucrose solution or plane water. The sucrose-drinking/illness-contingent animals demonstrated significant aversions to the sweet solution when compared to controls (sucrose-drinkingl saline-injected, sucrose-drinking/no-injection, plain-water-drinking/lithium chloride-injection, and plain-water-drinking/no-injection groups).A rat will quickly learn to avoid consuming a distinctly flavored fluid if that fluid had previously been conditionally paired with a gastrointestinal malaise induced by poison injection or X-ray irradiation (Revusky & Garcia, 1970). In Pavlovian terminology, the taste cue is the conditioned stimulus (CS) and the illness is the unconditioned stimulus (US). This basic illness-induced taste aversion exhibits a great inter specific generality. Aversions have been obtained in such diverse groups of animals as fish (MacKay, 1974) , and monkeys (Harlow, 1964;Johnson, Beaton, & Hall, 1975;Revusky & Gorry, 1973; Wilcoxon & Etscorn, Note 2).To date, however, illness-induced taste aversions in desert species of rodents have been relatively difficult to obtain experimentally, possibly because of the difficulty in inducing measurable quantities of water consumption. Abernathy (Note 3) unsuccessfully attempted to condition visually mediated avers ions (tinted water) in gerbils with multiple conditioning trials; however, aversions were established with some difficulty to flavored water. Specifically , the gerbil is capable of metabolizing the water from relatively dr y laboratory chow and is therefore almost independent of freely available water, virtually eliminating water as a CS vehicle. Likewise, physiological data supplied by the Hoeltge Animal Care Equipment Company indicate that if fresh feed such as carrots or lettuce is available to the gerbil, water per se is not required for its well-being. Prakash and Jain (1971) obtained baitshyness in two species of Indian gerbils (Tatera indica indica Hardwicke and Meriones hurrianae Jerdon) by lacing the animals' diet with toxic zinc phosphide. This treatment produced an aversion to the diet even when zinc phosphide was absent. As the study was applied in purpose, no attempt was made to control the quantities of poison consumed, the temporal relationships between ingestion of poison and the onset of illness, and the possibility that avoidance was due to sensitization rather than associative learning.The major question in this study is whether the spiny mouse, a species indigenous to the desert regions of the Near East, is able to form an illness-induced aversion to a novel taste stimulus such as sucrose solution. As the spiny mouse is physiologically similar to the gerbil with r...

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Bait shyness of two gerbils, Tatera indica indica Hardwicke and Meriones hurrianae Jerdon

Abstract: S U M M A R Y Two rodents, Tatera indica indica Hardwicke and Meriones hurrianae Jerdon, developed aversion to zinc phosphide after one day's exposure to a sublethal dose. The poison shyness persisted for at least I 15 and 35 days, respectively.

Cited by 20 publications

References 2 publications

Laboratory evaluation of anticoagulant-treated baits for control of the northern palm squirrel, Funambulus pennanti Wroughton

Laboratory evaluation of anticoagulant-treated baits for control of the northern palm squirrel, Funambulus pennanti Wroughton

Zinc phosphide and vacor induced bait shyness and its persistence inMus platythrix

Illness-induced aversion learning in a desert species of rodent (Acomys cahirinus)

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