饲粮中添加25-羟基胆骨化醇对苗猪生长性能、血液维生素D和抗氧化状态的影响。

IF 2.5 2区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Animal Bioscience Pub Date : 2025-09-01 Epub Date: 2025-05-12 DOI:10.5713/ab.25.0029
Chan Ho Kwon, Eva S Safaie, Savannah L Locke, Jannell A Torres, Zhaohui Yang, Xi Chen, Young Dal Jang
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引用次数: 0

摘要

目的:研究饲粮中添加25-羟基胆骨化醇(25-OHD3)对保育猪生长性能、血液25-OHD3水平及抗氧化指标的影响。方法:选用48头初生断奶仔猪(初始体重5.27±1.42 kg),分为3个处理,分4个重复,每个栏4头猪,在断奶后0 ~ 14天(第1阶段)和14 ~ 28天(第2阶段)进行不添加维生素D3的基础饲粮饲喂试验。处理为:1)基础饲粮+补充2000 IU/kg VD3, 2)基础饲粮+补充1000 IU/kg 25-OHD3, 3)基础饲粮+补充2000 IU/kg 25-OHD3。测定生长性能、血浆25-OHD3和丙二醛(MDA)水平、总抗氧化能力和超氧化物歧化酶活性。结果:断奶后21 d前,不同饲粮处理仔猪的生长性能无显著差异。结论:与添加VD3相比,在苗期饲粮中添加25-OHD3可提高血液维生素D水平,提高苗期后期采食量和生长速度,同时降低氧化应激。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Effects of dietary 25-hydroxycholecalciferol supplementation on growth performance, blood vitamin D and antioxidant status in nursery pigs.

Effects of dietary 25-hydroxycholecalciferol supplementation on growth performance, blood vitamin D and antioxidant status in nursery pigs.

Objective: This study was conducted to evaluate the effect of dietary 25-hydroxycholecalciferol (25-OHD3) supplementation on growth performance, blood 25-OHD3 level, and antioxidant parameters in nursery pigs.

Methods: A total of 48 newly weaned piglets (5.27±1.42 kg initial body weight) were allotted to 3 treatments in 4 replicates with 4 pigs per pen for a 28-d feeding trial in two phases for d 0-14 (Phase 1) and d 14-28 (Phase 2) postweaning with basal diets without supplemental vitamin D3 (VD3). Treatments were: 1) basal diet+2,000 IU/kg VD3 supplementation, 2) basal diet+1,000 IU/kg 25-OHD3 supplementation, and 3) basal diet+2,000 IU/kg 25-OHD3 supplementation. Growth performance, plasma 25-OHD3 and malondialdehyde (MDA) levels, total antioxidant capacity, and superoxide dismutase activity were measured.

Results: There was no significant difference in growth performance among dietary treatments until d 21 postweaning. Dietary 25-OHD3 supplementation increased feed intake (p<0.07) and growth rate (p<0.05) greater than the VD3 treatment in d 21-28 and d 14-28 postweaning, resulting in a greater growth rate in the overall period (p = 0.10). Increasing levels of 25-OHD3 supplementation resulted in greater plasma 25-OHD3 concentrations at d 14 and 28 postweaning (p<0.05), while decreasing plasma MDA levels at d 28 postweaning (p<0.05) with no differences in plasma superoxide dismutase activity and total antioxidant capacity. In the broken-line analysis, the estimated plasma 25-OHD3 concentration for plasma MDA concentration to reach the minimum level was 23.7 ng/mL (p<0.05).

Conclusion: Supplementing 25-OHD3 in nursery diets increased blood vitamin D status and had potential to enhance feed intake and growth rate in the late nursery period, while reducing oxidative stress compared with VD3 supplementation.

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来源期刊
Animal Bioscience
Animal Bioscience AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
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223
审稿时长
3 months
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