the objective of this study was to evaluate the effect of different milking frequencies in the first 6 weeks of lactation on milk production and milk constituents, blood metabolic profiles and reproductive performance of fresh dairy cows. the milking frequencies imposed were three times daily milking for 42 days (3x), six times daily milking for the first 21 days of lactation and three times da...

demographic toxicology is a common method for investigation on the sub lethal effects of pesticides on natural enemies. the side effects of plant extracts from root of madder (rubia tinctorum l.), seeds of dill (aniethum graveolens l.) and seeds of galbanum (ferula gummosa boiss.) in comparision with thiamethoxam were evaluated on life table parameters of c. carnea as agonoscena pistaciae preda...

ABSTRACT The objective of this study was to determine relationship between Lithuanian dairy cow breed productive and reproductive traits. carried out with 586 fully completed lactation cows: 184 Holstein (H), 320 Black White (LBW) 82 Red (LR) cows (291 in I, 149 II 146 III older lactations). Cow productivity reproduction traits were calculated. H I had a lower insemination index compared the LR...