[PDF] Top 20 EFFECT OF PREPARTUM PARENTERAL SUPPLEMENTATION WITH VITAMIN E ON THE REPRODUCTIVE EFFICIENCY OF DAIRY COWS.

... Jersey cows were used to determine the effect of the parenteral administration of vitamin E on the reproductive ...Forty-four of these ... See full document

... in dairy cows continues to increase and, increasing with it, are animal nutrient ...yielding dairy cows could be susceptible to marginal B vitamin status due to high metabolic ... See full document

... between the two breeds, with the observation of a higher concen- tration of production records in class P0 (nonpregnant) for Dairy Gyr ...that the production data ... See full document

... additives of dairy cows that improve fermentation and ruminal health in dairy cows The objectives of this study were to evaluate the response of dairy ... See full document

... evaluate the influence of prepartum vitamin A supplementation on incidence of mastitis in Holstein ...two cows were randomly distributed into blocks according to ... See full document

... is of great importance for the national ...source of income for families in the south east region of Paraná that work in this ...in the activities as well as in the ... See full document

... process of linoleic and linolenic FA present in the diet and due to the desatura- tion of stearic acid in the mammary gland ...by the works of Murphy et ...leaving ... See full document

... in the conception rate at first AI. The authors ascribed this effect to an increased milk yield of supplemented heifers, which lead to a greater negative energy ...In the present study, ... See full document

... result of the lack of cobalt and vitamin B 12 ...increase the urinary excretion of methyl- malonic acid and reduce appetite, because defects in the metabolism of ... See full document

... In dairy cows, the protocols based on GnRH and PGF2 α are predominant due to the ban on the use of esters of estradiol in some ...countries. The ... See full document

... than the 365 days proposed as an optimal period or the 380 days proposed by Morrow (1980) as a more realistic goal, it may reflect the decrease of the reproductive performance in ... See full document

... four dairy farms with previous history of DD ...compliance with institutional guidelines for research on ...through the skin edges of the lesions were performed and ... See full document

... Potkonjak Cows exposed to heat stress exhibit a decreased ability to mobilize lipids due to increased sensitivity to insulin, which is expressed in a decreased concentration of ...certain cows can ... See full document

... role on stimulation and inhibition of prostaglandin production (Staples et ...improving the oocyte quality (Fouladi-Nashta et al., 2007), and increasing the first-service conception rate ... See full document

... evaluated the effects of organic and inorganic sources of minerals in diets for mid-lactation dairy cows on milk yield and composition, intake and total apparent digestibility ... See full document

... Regardless of the diet used, the optimization of the rumen environment in early lactation can be changed with fat supplementation, although it increases the supply ... See full document

... and the plasma stored at -80 ºC. For the measurement of vitamin C, 200 µL plasma samples were immediately acidified with 800 µL 5% trichloroacetic acid and stored at -80 ºC for later ... See full document

... In the present study, increased milk Se concentrations showed that Se-Met and Se- Y are more effectively improved milk Se than and ...selenite. The results of this study were supported others ... See full document

... CHO supplementation may prevent blood GSH increase possibly because of its inhibitory effects on hepatic hormonal releases, which stimulate GSH ...research on the effects of ... See full document

... Studies on B-vitamin requirements of cattle, conducted more than 60 years ago, concluded that mature ruminants do not require B-vitamin supplements because the amounts of ... See full document