Formulating Diets with Optimum Cation-Anion Difference for Lactating Dairy Cows
نویسنده
چکیده
Dietary cation-anion difference (DCAD) has been a topic of considerable research in dairy cows nutrition for the last 2 decades (NRC, 2001). Much of the early work addressed effects of DCAD on periparturient Ca metabolism and metabolic health of transition dairy cows (NRC, 2001; Block, 1994). Over roughly the same period time, some but less research focused on the effects of DCAD on lactational performance of dairy cows. Physiological influences of DCAD on acid-base homeostasis and mineral utilization are reviewed and discussed elsewhere (Block, 1994).
منابع مشابه
Effect of replacement of alfalfa hay with straw in iso-fibrous diets with different levels of cation-anion balance on dairy cows performance
متن کامل
Corn silage versus corn silage:alfalfa hay mixtures for dairy cows: effects of dietary potassium, calcium, and cation-anion difference.
Corn silage (CS) has replaced alfalfa hay (AH) and haylage as the major forage fed to lactating dairy cows, yet many dairy producers believe that inclusion of small amounts of alfalfa hay or haylage improves feed intake and milk production. Alfalfa contains greater concentrations of K and Ca than corn silage and has an inherently higher dietary cation-anion difference (DCAD). Supplemental dieta...
متن کاملاثر نسبتهای مختلف علوفه خشک یونجه و ذرت سیلو شده با دیواره سلولی و تعادل کاتیون - آنیون برابر، بر تغذیه و تولید گاوهای شیرده
To determine the best ratios of alfalfa hay to corn silage with similar dietary NDF, cation-anion balance, energy and protein content in the lactating dairy cows, eight mid-lactating Holstein dairy cows with average body weight of 570 kg, and milk yield of 22 kg/d with 3.5% fat, were assigned to each of four experimental diets with alfalfa hay to corn silage ratios of 100:0, 67:33, 33:67 and 0:...
متن کاملاثر نسبتهای مختلف علوفه خشک یونجه و ذرت سیلو شده با دیواره سلولی و تعادل کاتیون - آنیون برابر، بر تغذیه و تولید گاوهای شیرده
To determine the best ratios of alfalfa hay to corn silage with similar dietary NDF, cation-anion balance, energy and protein content in the lactating dairy cows, eight mid-lactating Holstein dairy cows with average body weight of 570 kg, and milk yield of 22 kg/d with 3.5% fat, were assigned to each of four experimental diets with alfalfa hay to corn silage ratios of 100:0, 67:33, 33:67 and 0:...
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