Effects of Dietary Cation-Anion Difference on Physiological and Biochemical Indexes in Serum of Peripartum Dairy Cows and Anti-Oxidant Indexes in Serum of Calves

WEN Jun, AO Changjin, DU Hongxi, LAI Guangming, CAO Qi

doi:10.3969/j.issn.1006-267x.2017.10.018

2017 , Vol. 29 >Issue 10: 3574 - 3582

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.10.018

Molecular Nutrition

Effects of Dietary Cation-Anion Difference on Physiological and Biochemical Indexes in Serum of Peripartum Dairy Cows and Anti-Oxidant Indexes in Serum of Calves

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1. College of Animal Science, Inner Mongolia Agricultural University, Huhhot 010018, China;
2. Beijing Fuwish Biotech Co., Ltd., Beijing 100071, China

Received date: 2017-03-20

Online published: 2017-09-28

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Abstract

This experiment was conducted to evaluate the effects of dietary cation-anion difference (DCAD) on physiological and biochemical indexes in serum of peripartum dairy cows and anti-oxidant indexes in serum of calves. The test was adopted using single factor randomized block design. Twenty 2 to 4 parities Chinese Holstein antepartum cows (28 d) with similar body weight and expected date of confinement were allocated into 4 groups with 5 cows per group. Cows were fed 4 experimental diets with DCAD at +262.31, +130.26, +78.51 and +6.67 mmol/kg(dry matter basis), respectively, and the supplemental level of anionic salt was 0, 15.0, 21.9 and 29.1 g/kg, respectively. The experiment lasted for 49 days with the first 7 days as adaptation period and the following 42 d as trial period. The results showed that reducing dietary DCAD of antepartum period could significantly improve serum calcium content (P<0.05), significantly decrease urine pH (P<0.05), and significantly improve postpartum serum vitamin D content of dairy cows (P<0.05), as well as significantly decrease serum malondialdehyde content of calves (P<0.05); however, there were no significant effects on serum tumor necrosis factor α, parathyroid hormone, calcitonin and beta hydroxybutyrate contents among 4 groups (P>0.05). Therefore, the results indicate that anionic salts supplementation in diet for antepartum cows can promote the serum calcium homeostasis, induce mild metabolic acidosis, so as to reduce the incidence of puerperal fever in cows, and improve anti-oxidant ability of their calves.

Key words： anionic salt; dairy cows; peripartum; hypocalcemia; calf; health status

Cite this article

WEN Jun, AO Changjin, DU Hongxi, LAI Guangming, CAO Qi . Effects of Dietary Cation-Anion Difference on Physiological and Biochemical Indexes in Serum of Peripartum Dairy Cows and Anti-Oxidant Indexes in Serum of Calves[J]. Chinese Journal of Animal Nutrition, 2017 , 29(10) : 3574 -3582 . DOI: 10.3969/j.issn.1006-267x.2017.10.018

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