I-Los izinja ezinkulu ngokomlando zisetshenziselwe imisebenzi yokuqapha, njengokuvikela imihlambi noma ukunakekela amakhaya. Namuhla zithandwa kakhulu njengezilwane ezifuywayo, kusukela emangeni izinganekwane ngazo, njengoba zinolaka noma ukuthi akufanele zihlale emafulethini amancane, ziyanyamalala. Kule ndatshana sethula ezinhlanu zalezi zinhlobo kanye nezimpawu zazo eziyinhloko.
1. UMastiff waseJalimane. Eyaziwa nangokuthi iGreat Dane, ingenye yezinja ezinde kakhulu nezinesitayela esingazithola. Abesilisa badlula amasentimitha angama-80 ukuphakama, kanti abesifazane bahlala kancane ngezansi. Isisindo sayo esilinganisiwe singama-62 kg, futhi isimilo saso sivame ukuzola futhi sibe mnandi. Inothando futhi ithembekile kubaninizo, igqame ngokukhethekile ngokuziphatha kwayo okuhle.
2. INeapolitan Mastiff. Inesisindo esiphakathi kuka-50 no-70 kg, futhi icishe ibe ngu-85 cm ubude. Yenza i-watchdog enhle kakhulu, kepha futhi ingenza inja enhle kakhulu uma ithola imfundo efanele. Ngokuvamile kuthule, kuthule futhi kungumngane wezingane.
3. USanta Bernard. Ungaba nesisindo esingama-90 kg, bese ulinganisa ubude obuphakathi kuka-70 no-90 cm. Ngokuthula ngesimilo, idonsela ukunaka ngaphezu kwakho konke ngenxa yomzimba wayo omkhulu nokubukeka kwayo okufana nebhere. Isuselwa ku-Alpine Mastiff ongasekho futhi idinga imikhuba yenhlanzeko ejwayelekile ngenxa yejazi layo eliminyene. Iyakwazi ukumelana namazinga okushisa aphansi kakhulu.
4. ENewfoundland. Inesisindo esilinganiselwa ku-65 kg kanti ukuphakama kwayo kungu-70 cm. Banemisipha ebabazekayo namandla ahlukile, futhi bashesha kakhulu ukugijima nokubhukuda. Izolile, ithembekile futhi izimele, futhi ijazi layo liminyene futhi linamandla kangangokuba lidinga ukunakekelwa okukhethekile.
5. Kuvasz. Isisindo esincane salolu hlobo singama-55 kg kanti ubude baso ngu-70 cm. Ekuqaleni kwaseHungary, i-Kuvasz ithembekile futhi inothando, kepha futhi inentukuthelo. Izinwele zayo ezinde futhi ezijikayo zingenye yezimpawu zayo eziyinhloko, futhi zigcwalisa umsebenzi wokunxephezela ukushoda kwamafutha omzimba wale nja.