Čistoča krav v čredah krav molznic z vezano rejo v Bosni in Hercegovini

Miljan ERBEZ, Božo VAŽIĆ, Biljana ROGIĆ, Knut Egil BØE, Lars Erik RUUD

Povzetek


V študijo je bilo vključenih 70 čred krav molznic z vezano rejo v Bosni in Hercegovini. Čistost krav v vsaki čredi so ocenili usposobljeni opazovalci (ocena od 1 do 4, 1 = čisto, 4 = zelo umazano) na osnovi petih naključno izbranih krav. Skupaj so pri 350 kravah ocenili čistost na petih različnih delih telesa (zadnjica, stegna, noge, vime in trebuh). Skupno čistočo smo ocenili s seštevanjem ocen za različne dele telesa. Opazovalci so zabeležili tudi podatke o tipu stojišč, vrsti tal in o uporabi materialov za nastil. Delež krav, ki so bile ocenjene kot umazane ali zelo umazane (oceni 3 in 4), je bil 33,4 % za čistost nog, 50,8 % za stegna, 55,1 % za zadnjico, 16,0 % za vime in 18,6 % za trebuh. Skupno oceno za čistost > 10 je dobilo 57,4 % krav. Povprečna skupna čistost na ravni črede je bila od 5,2 do 18,8. Analiza različnih tipov reje je pokazala, da so način privezovanja (p < 0,05), razdelilne ograje (p < 0,05) in sistem odstranjevanja gnoja (p < 0,05) pomembno vplivali na čistočo krav, v manjši meri pa vrsta nastila (p > 0,15) in vrsta tal (p > 0,15). V skupnem statističnem modelu je samo prisotnost razdelilnih ograj pokazala statistično značilno (p < 0,05) povezavo s skupno oceno čistosti živali.

Ključne besede


govedo; krave; molznice; uhlevitev; vezana reja; čistoča; Bosna in Hercegovina

Celotno besedilo:

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DOI: http://dx.doi.org/10.14720/aas.2018.112.1.2

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Avtorske pravice (c) 2018 Miljan ERBEZ, Božo VAŽIĆ, Biljana ROGIĆ, Knut Egil BØE, Lars Erik RUUD

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