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Dcad OR

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Dcad

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Dcad is distributed to almost 400,000 people every day, and has generated over $1,000,000 from its ads in the first year. Its founders hope to transform DCAD into the premier destination for blockchain-related and cryptocurrency information by educating the public about these topics.

Dcad

Dietary cation-anion difference (DCAD) typically includes two cations [potassium (K) and sodium (Na)] and two anions [chlorine (Cl) and sulfur (S)]. The DCAD equation most often applied in the field equals: milliequivalents (meq) [(%K divided by 0.039) + (%Na divided by 0.023)] – [(%Cl divided by 0.0355) + (%S divided by 0.016)]/100 grams of dietary dry matter (DM). Considerable research and field application of the DCAD concept have occurred in the last 2 decades (NRC, 2001). Physiologically, DCAD influences the animal’s acid-base homeostasis, Ca status around calving, and mineral element utilization. Much of the early work addressed effects of DCAD on Ca status and metabolic health of late pregnant, transition cows (NRC, 2001; Goff and Horst, 1997; Block, 1994). Also, direct effects of DCAD on lactational performance were examined (Beede, 2005; Hu and Murphy, 2004).

dairy-cattle.extension.org)The primary goal in late pregnancy is to provide a ration with a low (less than +5 meq/100 grams of dietary DM) or negative DCAD to reduce the risk of hypocalcemia (low blood Ca) and clinical milk fever around calving. Minimizing the incidence of hypocalcemia and milk fever reduces the incidence of other associated metabolic disorders such as retained fetal membranes, abomasal displacement, and metritis. In many cases, simply using feedstuffs with lower concentrations of K and Na will lower DCAD enough to improve transition cow performance. This also may reduce udder edema. When it is not possible to reduce dietary K and Na enough, supplementation with anions (chloride and sulfate) will reduce DCAD. A target DCAD of -5 to -10 meq may improve transition cow health and performance. (Source:

 

 

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