Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 2
Written by S.N. TSEPKOVSKAYA, A.V. ZAGUMENNOV, V.A. ERMOLAEV, Yu.V. ZEMLYANOVA
Eye diseases of young cattle are one of the reasons hindering the development of animal husbandry. Keratoconjunctivitis is a disease of the eye characterized by inflammation of the conjunctiva in the initial stage and subsequent transition process to the cornea. The disease is manifested in different forms and severity of inflammation. Keratoconjunctivitis causes serious economic losses due to high incidence and prevalence, both in our country and abroad. Losses from keratoconjunctivitis consist of slowing down the growth and development of young animals, loss of productivity, loss of live weight. On average, 25-30% of sick animals remain blind, the same amount of sight loss is 50%. In calves 5-6 months of age with obvious signs of keratoconjunctivitis contained in the conditions of the private livestock breeding complex, serious changes in ALT and AST activity were revealed during biochemical studies of blood plasma. Moreover, AST indicators during treatment exceeded the reference values characteristic of a given species and age of animals. Indicators of Albumin and Total protein fluctuated slightly, which indicates the activation of humoral and cellular immunity.
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