Isebenza Kanjani Impempe Yenja: Izinzuzo Nezingozi

Ukuqeqesha umngane onemilenze emine yingxenye ebalulekile yenqubo yemfundo. Inezinzuzo eziningi, okuhlanganisa ukunikeza umdlwane wakho amakhono okuxhumana nabantu nokuqeqeshwa kokulalela. Ikhwela lezinja ngesikhathi sokuqeqeshwa kungaba inketho enhle.

Kodwa kukhona futhi imibuzo eminingana. Isibonelo, ingabe indweba iyingozi ezinjeni futhi ingabe lesi sisetshenziswa sinezici ezikhethekile?

Isebenza kanjani indweba yokuqeqesha inja?

Amakhwela asetshenziselwa ukuqeqeshwa inja nokuxhumana nabo izizukulwane eziningana. Ngaphambi kwalokhu, abantu babexhumana nezilwane ezifuywayo besebenzisa impempe evamile. Ungasebenzisa lesi sisetshenziswa ukuze “ukhulume” nomngane wakho onemilenze emine futhi ulawule ukuziphatha kwakhe, njengokusebenzisa imiyalo yomlomo noma ukuqeqeshwa kokuchofoza zokuhlala nokuma izikhundla noma ukulanda.

Izilwane ezifuywayo ziphendula ngisho namakhwela athule kakhulu ngoba ziyakwazi ukuzwa amaza aphakeme kakhulu kunabantu. “Emazangeni omsindo aphansi angaba ngu-20 Hz, izinja nabantu bezwa ngento efanayo. Isimo siyashintsha kumaza omsindo aphezulu: izinja zingezwa kumaza afika ku-70-100 kHz, okungukuthi, angcono kakhulu kunabantu, abezwa ngamaza angekho ngaphezu kuka-20 kHz,” ososayensi abavela. University of Adelaide e-Australia. Lokhu kusho ukuthi umkhawulo wokuzwa womngane onemilenze emine uphakeme ngokuphindwe kathathu kunowomuntu. Ngezinye izikhathi kungase kubonakale sengathi inja isabela emsindweni ongekho, nakuba empeleni imane izwa lokho okungenakufinyeleleka endlebeni yomuntu.

Umnikazi angase adinge ukuzama izinhlobo eziningana ezihlukene zamakhwela ukuze anqume ukuthi iyiphi enikeza ububanzi bemisindo ekhethwa yinja. Ukufunda ukusebenzisa lesi sesekeli kuhle kakhulu kuqalwe ngokufunda ukusebenzisa kahle ikhwela bese udlala ukuze uthole ukuthi yiziphi izihluthulelo ezifanele imiyalo ehlukene.

Umsindo namakhwela athule

Ungakhetha ezinhlotsheni ezimbili zamakhwela: umsindo noma uthule. Ukuthula kuleli cala kusho ukuthi abantu abayizwa, hhayi izinja. Amanye amakhwela nawo anephimbo elilungisekayo.

Izikhwelo zomsindo ziwusizo ekuprakthizeni imisindo, zinikeza ukuzinza lapho zikhishwa. Lesi sitayela sokusebenzisana sifana kakhulu nekhwela elisetshenziswa emicimbini yezemidlalo, ikakhulukazi emiqhudelwaneni yokwelusa izinja.

Abanikazi abaningi bakhetha ikhwela elithule ngoba lidala ukuphazamiseka kancane komsindo kubantu. Lesi sisetshenziswa, esasungulwa ngo-1876 nguSir Francis Galton, sasetshenziselwa ukuhlola amazinga okuzwa kubantu, amakati nezinja. Igama elithi “ultrasonic dog training whistle” linembe kakhudlwana – le khwelo yenza imisindo kuma-ultrasonic frequencies. Ngokusho kwabacwaningi Psychology Today, inzuzo yalesi sisekeli ukuthi lezi zimpawu zomsindo zihamba ibanga elide kunezwi lomuntu. Ngakho-ke, isilwane singakuzwa lapho sisuka kude nomnikazi.

Ingabe izindlebe zesilwane sakho ezifuywayo zilimale uma usebenzisa umsindo ovela phezulu wezinja

Uma isetshenziswe ngendlela efanele, impempe ngeke ilimaze isilwane esifuywayo. Kubalulekile ukufunda imiyalelo yomkhiqizi ngokucophelela futhi uxoxe nganoma yimiphi imibuzo onayo nodokotela wakho wezilwane.

Njengoba abangani abanemilenze emine bezwa amaza aphakeme kakhulu kunabantu, ngokwemvelo bazwela kakhulu emisindo. Awukwazi ukusondeza impempe ezindlebeni zesilwane futhi ushaye ngamandla aphelele. Njengoba uDkt. Pippa Elliott, BS Veterinary Medicine and Surgery (BVMS), Fellow of the Royal College of Veterinary Surgeons (MRCVS), ebhalela Petful, “Imisindo emazingeni aphezulu okulalela ingabangela ubuhlungu enja uma inomsindo ngokwanele. Kufana nomehluko phakathi kwekhwela likanompempe enkundleni yebhola kanye nempempe efanayo endlebeni yakho.” Lona umehluko omkhulu.

Kubalulekile ukuthi ungakhohlwa ngezinye izilwane ezisendlini nasezindaweni ezizungezile. Amakati ezwa imisindo yefrikhwensi ephezulu kangcono ngisho kunezinja, futhi usabele ngokufanele. Umsindo obonakala uthambile ngokwanele kumuntu ungase ucindezele inja noma ikati.

Njenganoma yikuphi ukuqeqeshwa kokuziphatha, uma usebenzisa impempe ye-ultrasonic yezinja, ukubekezela nokungaguquguquki kuyoba yizici eziyinhloko zempumelelo.

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