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Comparison of service period and lactation milk yields in dairy cows with single- and twin-calving / Upoređivanje dužine servis perioda i proizvodnje mleka u laktaciji između krava sa jednim teletom i krava sa blizancima
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2018)
Introduction. Twin-calving occurs in 3 to 5 % of Holstein Friesian cattle, and it is mostly followed by reproductive and economic problems. This evaluation will compare the service period and the milk yield in cows with ...
Bovine subclinical mastitis associated with Prototheca spp.
(Belgrade : Faculty of Agriculture, 2016)
Mastitis is the most common disease in dairy cattle and presents the most costly disorder
to the dairy industry. Subclinical mastitis is inflammation of the mammary gland that does
not create visible changes in the milk ...