Influence of varying dietary cation anion difference on serum minerals, mineral balance and hypocalcemia in Nili Ravi buffaloes

Shahzad, M. A.; Sarwar, M.; Mahr-un-Nisa,

doi:10.1016/j.livsci.2007.02.013

Cited by 20 publications

(24 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Similar results were reported by West et al (1991) who stated that increased DCAD concentration (−11 to 31 mEq/100g) did not affect the serum sodium (141.64, 142.50 mEq/l) and potassium (4.91, 4.70 mEq/l) concentrations. Decreasing trend in serum S concentration was in concordance with the findings of Delaquis and Block (1995) and Shahzad et al (2007b). A linear increase in serum (Na + K − Cl + S) mEq/l was also reported by other researchers (West et al, 1991;Tucker et al, 1988;Hu and Murphy, 2004).…”

Section: Serum Mineralssupporting

confidence: 90%

“…The animal compensates for high blood pH by excreting bicarbonate (HCO 3 ) ions in urine. As HCO 3 is negatively charged, so in order to keep the body electrically neutral, excretion of positively charged particle (Na or K) takes place that leads to increased requirements of these minerals during heat stressed condition (Hansen, 1994;Shahzad et al, 2007b). This situation, because of excessive loss of HCO 3 in urine, lowers blood buffering capacity which reduces dry mater intake (DMI) by animals (Niles et al, 1980;Hansen, 1994;Shahzad et al, 2007a).…”

Section: Introductionmentioning

confidence: 99%

“…Difference between certain cations (Na, K) and anions (Cl, S) usually named as dietary cation anion difference (DCAD) has been reported to increase the DMI and reduce heat stress (Tucker et al, 1992;Block, 1994;Delaquis and Block, 1995;Shahzad et al, 2007b). It may be the only nutritional tool that tends to maintain acid base balance and improves blood buffering, resulting in increased DMI (Niles et al, 1980;Hansen, 1994).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of altering dietary cation anion difference on milk yield and its composition by early lactating Nili Ravi buffaloes in summer

Shahzad¹,

Sarwar²,

Mahr-un-Nisa³

2008

Livestock Science

Self Cite

View full text Add to dashboard Cite

Section: Serum Mineralssupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Influence of altering dietary cation anion difference on milk yield and its composition by early lactating Nili Ravi buffaloes in summer

Shahzad¹,

Sarwar²,

Mahr-un-Nisa³

2008

Livestock Science

Self Cite

View full text Add to dashboard Cite

“…High DCAD tends to make the rumen pH alkaline which helps the ruminal cellulolytic microbes perform efficiently and the experimental diets in this study contain 60% wheat straw. Significant increase in DMI with increasing DCAD level has also been reported by others workers (Shahzad et al, 2008b;Shahzad et al, 2007b;Delaquis and Block, 1995b;Lemma et al, 1992;Tucker et al, 1988).…”

Section: Nutrients Intake and Digestibilitiessupporting

confidence: 77%

Changing certain dietary cationic and anionic minerals: Impact on blood chemistry, milk fever and udder edema in buffaloes during winter

Shahzad¹

2011

Afr. J. Biotechnol.

View full text Add to dashboard Cite

This study was conducted to examine the influence of varying dietary cation anion difference (DCAD) on acid base status, mineral dynamics, occurrence of milk fever and udder edema in Nili Ravi buffaloes in a randomized complete block design. Four iso-nitrogenous and iso-caloric diets having -22, -11, +11 and +22 meq/100 g DM DCAD were formulated and designated as high anionic (HA), low anionic (LA), low cationic (LC) and high cationic (HC), respectively. These diets were randomly allotted to 20 Nili Ravi buffaloes which were in their last two months of pregnancy. A linear increase in nutrient intake was recorded with increase in the DCAD level. Buffaloes fed with HA diet had higher nutrient digestibility than those fed with HC diet. Increased blood pH and serum HCO 3 were noticed in buffaloes fed with LC and HC diets. Serum (Na + + K + ) -(Cl -+ S --) was higher in buffaloes fed with LC and HC diets than those fed with LA and HA diets. Serum calcium and chloride increased with decreased DCAD level while serum magnesium, phosphorus and sulphur remained unchanged. Urine pH was also higher in buffaloes fed with LC and HC diets than those fed with LA and HA diets. Sodium, K, Mg and P balance increased with increased DCAD while its reverse was true for Ca and Cl balance. The concentration of progesterone tended to decrease while estrogen increased before and after parturition. However, their concentrations were more pronounced in buffaloes fed with LA and HA diets than those fed with LC and HC diets. One buffalo from each group fed withLC and HC diets had milk fever. Not a single case of milk fever was observed in buffaloes fed with LA and HA diets. Udder edema and mastitis were either absent or less severe in buffaloes fed with LA or HA diets while the problem was sever in buffaloes fed with LC and MC diets. This study revealed that feeding HA and LA diets prepartum can be a useful nutritional tool to minimize or prevent the incidence of milk fever and controlling udder edema.Abbreviations: DCAD, Dietary cation anion difference; HA, high anionic; LA, low anionic; LC, low cationic; HA, high cationic.

show abstract

“…This increased urinary cation anion difference at high DACD diet might be attributed to decreased Cl content of the diet. Excretion of P tended to increase as DCAD level was decreased in the diet (Shahzad et al, 2008b). This is because urinary excretion of P is positively associated with increased H + both in blood and urine .…”

Section: Mineral Balancementioning

confidence: 93%

Dietary cation anion difference: Impact on productive and reproductive performance in animal agriculture

Sharif¹,

Shahzad²,

Mahr-un-Nisa³

et al. 2010

Afr. J. Biotechnol.

View full text Add to dashboard Cite

Various nutritional tools have been used to improve the productive and reproductive performance of animals, among which difference between certain minerals, called dietary cation anion difference (DCAD) plays a pivotal role. Low or negative DCAD diets reduce blood pH and HCO 3 and animal becomes acidotic. This improves Ca absorption from the intestinal tract. It also induces mobilization of Ca from bones which improves Ca status of the animal, thus preventing the occurrence of milk fever at the time of parturition. This may increase milk production and health in subsequent lactation. However, animals fed high DCAD diets before parturition may suffer from milk fever. Milk fever affected animals have increased plasma cortisol level that causes immunosuppression at calving. It is also positively associated with other problems like retained placenta, mastitis and udder edema. On the other hand, feeding high DCAD diet results in increased ruminal pH which is prerequisite for optimal microbial activity as well as improving the feed intake of the animal. Improved dry matter intake (DMI) is positively correlated with milk yield by providing precursors for various milk constituents. High DCAD diet results in increased milk fat percent due to shifting of ruminal volatile fatty acid production towards acetic acid and butyric acid. It also improves energy balance of the animal which causes increased blood flow towards ovaries and increased progesterone synthesis and follicular development due to positive association between energy balance and postpartum ovulation, which leads to improved reproductive performance of the animal. While feeding low DCAD diet reduces feed intake which causes negative energy balance in early lactating animals that lessens conception rate and increases services per conception. In conclusion, feeding low DCAD diets prepartum prevents the occurrence of milk fever via improving Ca status while feeding high DCAD diets results in improved productive and reproductive performance in lactating animals.

show abstract

Influence of varying dietary cation anion difference on serum minerals, mineral balance and hypocalcemia in Nili Ravi buffaloes

Cited by 20 publications

References 39 publications

Influence of altering dietary cation anion difference on milk yield and its composition by early lactating Nili Ravi buffaloes in summer

Influence of altering dietary cation anion difference on milk yield and its composition by early lactating Nili Ravi buffaloes in summer

Changing certain dietary cationic and anionic minerals: Impact on blood chemistry, milk fever and udder edema in buffaloes during winter

Dietary cation anion difference: Impact on productive and reproductive performance in animal agriculture

Contact Info

Product

Resources

About