Effects of dietary supplementation with vitamin A, D3, E, and garlic on heat detection, pregnancy rate, and serum profile in anestrus dairy cows

IF 1.9 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE Veterinary and Animal Science Pub Date : 2024-09-10 DOI:10.1016/j.vas.2024.100396
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Abstract

Anestrus poses substantial challenges for dairy industries worldwide. This research aims to evaluate the effect of oral supplementation with garlic alone, vitamins A, D3, E alone, and their combination on heat detection, pregnancy rate and serum profile in anestrus dairy cows. Using a completely randomized design, this study, conducted over 327 days, evaluated 72 anestrus-affected cows, which were divided into four groups. T0 (Control) received only normal saline; T1 with vitamin A,D3,E; T2 with Garlic and T3 integrated with A, D3, E + Garlic in drinking water. Results demonstrated that the treatment groups exhibited significantly higher estrus signs (p < 0.05) compared to the control. The pregnancy rate was also increased (P = 0.059), especially in the T3 group which had the highest heat detection (55.55 %), conception (70 %), and pregnancy (38.88 %). In comparison, the heat detection rate for T1 was 44.44 %, while the conception rate for T2 was 66.66 %. Additionally, T0 exhibited the least proportion across all parameters. Additionally, the elevated BUN (Blood Urea Nitrogen) and blood glucose levels observed in non-responsive (those not showing signs of heat) cows at 32.51 and 43.65 mg/dl respectively, compared to responsive cows (those showing signs of heat) with levels of 22.40 and 51.34 mg/dl. These findings suggest a potential association between these blood parameters and the cyclicity of dairy cows. These findings highlight that oral supplementation with vitamin AD3E+Garlic significantly improves the heat detection rate and pregnancy rate than only administering vitamin AD3E or Garlic with anestrus in dairy cattle.

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日粮中补充维生素 A、D3、E 和大蒜对发情奶牛的发情检测、妊娠率和血清概况的影响
发情给全球乳业带来了巨大挑战。本研究旨在评估单独口服大蒜补充剂、单独口服维生素 A、D3、E 以及它们的组合对发情奶牛的发情检测、妊娠率和血清概况的影响。本研究采用完全随机设计,在 327 天内对 72 头发情奶牛进行了评估,并将其分为四组。T0 组(对照组)只接受普通生理盐水;T1 组接受维生素 A、D3、E;T2 组接受大蒜;T3 组在饮用水中添加维生素 A、D3、E + 大蒜。结果表明,与对照组相比,治疗组的发情症状明显增加(P <0.05)。妊娠率也有所提高(P = 0.059),尤其是 T3 组的发情检测率(55.55 %)、受孕率(70 %)和妊娠率(38.88 %)最高。相比之下,T1 的发情检测率为 44.44%,而 T2 的受孕率为 66.66%。此外,T0 在所有参数中的比例最低。此外,无反应(未显示发情迹象)奶牛的 BUN(血尿素氮)和血糖水平分别为 32.51 毫克/分升和 43.65 毫克/分升,而有反应(显示发情迹象)奶牛的 BUN 和血糖水平分别为 22.40 毫克/分升和 51.34 毫克/分升。这些研究结果表明,这些血液参数与奶牛的周期性之间存在潜在联系。这些研究结果突出表明,在奶牛发情时口服维生素 AD3E+ 大蒜比只服用维生素 AD3E 或大蒜能显著提高发情检测率和妊娠率。
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来源期刊
Veterinary and Animal Science
Veterinary and Animal Science Veterinary-Veterinary (all)
CiteScore
3.50
自引率
0.00%
发文量
43
审稿时长
47 days
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