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Information Journal Paper

Title

Effect of vitamin-mineral enriched Zeolite on milk yield, plasma Ca concentration, and some reproductive disorders in early lactating dairy cows under heat stress

Pages

  75-92

Abstract

 Background and objectives: Applying low-calcium diets to control milk fever has many problems in practice. Dietary Ca levels should be reduced by quantitative and qualitative methods such as limiting feed intake, which negatively affects the Milk production and health of the cows. Anionic salts are also expensive and should be consumed before calving for a long period. It is also difficult to produce a homogeneous diet for selected cows in a special section of a farm. In addition, adding these salts to cows' diets reduces the palatability of the diet, decreases dry matter intake, increases negative energy balance and the concentration of nonesterified plasma fatty acids. Therefore, as an important goal of this research, it seems vital to introduce a method that has many advantages to improve production traits and health-related factors of Fresh cows during a hot summer. Materials and methods: The study was performed using 60 Holstein cows near calving in 3 experimental groups using a completely randomized statistical design with repeated measurements in time. The study was carried out during the summer season. The adaptation and experimental periods were 15 and 45 days from-15 to +30 after calving time, respectively. Experimental diets including: 1) Low-Ca or control diet (Ca=0. 44%), 2) Anionic diet (Ca=1%), 3) Control +enriched Zeolite diet. From the second week after calving, the cows were fed with a fresh-milking diet. The DCAD of diets were +100,-100, +100 mEq/kg DM, respectively. The Anionic and Zeolite supplements were used at levels of 2. 8 and 1. 5% based on the daily DMI of cows. During the current experiment, traits such as Milk production and compositions, total and ionized plasma calcium, and some reproductive disorders were measured. Results: According to the results, consumption of DM and energy between diets were significantly different. The fat percentage of the diet containing Zeolite was higher than others; however, the raw and corrected milk yield of the anionic diet was the highest (P≤ 0. 01). Plasma and ionized Ca concentration of the diet containing Zeolite were the same as two other diets at calving time but at 6, 12, and 24 hours after that were significantly higher than others (P≤ 0. 01). The frequency of severe and subclinical Hypocalcemia was higher in the control diet and the group of older cows; however, in the diet containing Zeolite, it was lower than in others (P≤ 0. 01). The highest BCS was observed in the diet containing Zeolite (2. 98), and the lowest (2. 86) was observed in the control diet (P≤ 0. 01). The frequency of postpartum disorders (calving difficulty, retained placenta, endometritis, and abomasum displacement) was significantly lower in diets containing Zeolite and anionic salts than in control (P≤ 0. 01). The highest percentage of a successful pregnancy, inversely, lowest percent of culled cows from herd observed in Zeolite and anionic diets (P≤ 0. 01). Conclusion: According to the results, improved dry matter and energy consumption were observed in the Zeolite diet compared to anionic which had a direct effect on Milk production traits. Improved total and ionized Ca plasma concentrations during calving and after that, also a better control on Hypocalcemia and related problems in the herd, with the highest BCS, and a significant reduction in the frequency of postpartum disorders are the advantages of Zeolite diet. Therefore, the proposed method of calcium restriction using Zeolite supplement seems to be successful and can be used as an alternative for common methods.

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    APA: Copy

    Masoumipour, M.M., FOROUDI, F., KARIMI, N., ABEDINI, M.R., KARIMI, K., & KALANTAR, M.. (2021). Effect of vitamin-mineral enriched Zeolite on milk yield, plasma Ca concentration, and some reproductive disorders in early lactating dairy cows under heat stress. JOURNAL OF RUMINANT RESEARCH, 9(3 ), 75-92. SID. https://sid.ir/paper/953908/en

    Vancouver: Copy

    Masoumipour M.M., FOROUDI F., KARIMI N., ABEDINI M.R., KARIMI K., KALANTAR M.. Effect of vitamin-mineral enriched Zeolite on milk yield, plasma Ca concentration, and some reproductive disorders in early lactating dairy cows under heat stress. JOURNAL OF RUMINANT RESEARCH[Internet]. 2021;9(3 ):75-92. Available from: https://sid.ir/paper/953908/en

    IEEE: Copy

    M.M. Masoumipour, F. FOROUDI, N. KARIMI, M.R. ABEDINI, K. KARIMI, and M. KALANTAR, “Effect of vitamin-mineral enriched Zeolite on milk yield, plasma Ca concentration, and some reproductive disorders in early lactating dairy cows under heat stress,” JOURNAL OF RUMINANT RESEARCH, vol. 9, no. 3 , pp. 75–92, 2021, [Online]. Available: https://sid.ir/paper/953908/en

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