Effects of Different Essential Oils on the Acceptability and Palatability of Cereal-Based Baits for Laboratory Mice
Uticaj različitih esencijalnih ulja na prihvatljivost i palatabilnost mamaca na bazi žitarica za laboratorijskog miša
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Author
Jokic, Goran
Vuksa, Marina
Djedovic, Suzana
Stojnic, Bojan
Kataranovski, Dragan
Keywords
Rodenticide baitsEssential oils
Mamci rodenticida
etarska ulja
Metadata
Show full item recordAbstract
The aim of our study was to investigate the possibility of application of essential oils
as additives in cereal-based rodenticide baits, at rates which prevent mould development
and are applicable in humane medicine. Also, the purpose of these oils would be to extend
the utility value of baits and reduce the use of antifungal ingredients that usually affect bait
acceptance.
The effects of essential oils of ten different plant species, applied at rates of one and
two ml per kg of plain bait, on bait acceptance and palatability in choice feeding tests
for Swiss mice were studied under controlled laboratory conditions. Baits were prepared
according to relevant EPPO standards (2004). The effects of essential oils on bait acceptance
and palatability for Swiss mice were determined in choice feeding tests using a formula by
Johnson and Prescott (1994).
There was no significant statistical difference in effects between groups and sexes
regarding weight change in the experiment. During the experiment and recovery period,
neither change in mice behavior no deaths were observed. Cinnamon and anise essential
oils, commonly used as attractants, and clove oil, were most effective because they had
no negative effect on bait acceptance and palatability, while fenchel and bergamot oils
showed repellent activity that grew as the oil content in baits increased. Namera istraživanja je bila da se utvrdi mogućnost primene ispitivanih esencijalnih ulja
u rodenticidnim mamcima kao potencijalnih dodataka, u količinama kojima bi se onemogućio
razvoj plesni i koje su primenjive u humanoj medicini. Na taj način, primenom ovih
esencijalnih ulja produžila bi se upotrebna vrednost mamaka i redukovala količina primene
konzervanasa, koji najčešće negativno utiču na prihvatljivost mamaka. Pod kontrolisanim
laboratorijskim uslovima, u testu sa izborom hrane, utvrđivan je uticaj esencijalnih ulja
deset različitih vrsta biljaka, u količinama od 1 i 2 ml/kg placebo mamca na prihvatljivost i
palatabilnost za jedinke domaćeg miša, soja Swiss. Ispitivani mamci su pripremljeni u skladu
sa metodom EPPO (2004) standarda. Uticaj esencijalnih ulja na prihvatljivost i palatabilnost
mamaka je izračunat na osnovu proporcije koju su predložili Johnson i Prescott (1994).
Nisu utvrđene statistički značajne razlike u težinama između slučajno odabranih grupa
eksperimentalnih jedinki. Tokom eksperimenta i u periodu oporavka nisu zabeležene promene
u ponašanju eksperimentalnih jedinki, kao ni uginuća. Esencijalna ulja cimeta i anisa,
koji se i inače koriste kao atraktanti, i ulje karanfilića, ispoljili su najbolje efekte, odnosno nisu
negativno uticali na prihvatljivost i palatabilnost, dok su ulja morača i bergamota ispoljili repelentno
dejstvo, koje je bilo izraženije povećavanjem sadržaja ulja u mamcima.