Effects of dietary seaweed supplementation on milk productivity, milk quality and health of dairy cows

The objective of this study was to evaluate effects dietary supplementation a seaweed-originated product (SOP) on milk productivity, quality and health milking cows under Vietnam weather conditions at the dairy farm One Member Dairy Beef Joint Stock Company HCMC, from October 2019 February 2020. A total 40 Holstein Friesian crossbred were randomly allotted into 2 treatments in randomized complete block design. included (1) fed basal ration without SOP (control) (2) control plus 70 g SOP/cow per day (about 0.35% dry matter intake/day). Parity, days milk, body weight, yield both almost equal (P > 0.05). results showed that average over experimental period not different between two 0.05), but lactation stability curve better group. also did improve indicators (fat, protein, solids fat, lactose, somatic cell count) as compared with blood ketone level group higher than < although there no differences levels AST, ALT, glucose, cholesterol, cortisol affect BW, condition score, locomotion score well prevalences lameness digestive diseases Briefly, these suggest addition g/cow appears cows.