Dietary 25 Hydroxyvitamin D3 Improved Serum Concentration Level and Alkaline Phosphatase Activity during Lactation but Had Meager Impact on Post-Farrowing Reproductive Performance in Sows.

IF 2.7 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animals Pub Date : 2024-01-27 DOI:10.3390/ani14030419

Prester C John Okafor, Nitipong Homwong

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引用次数: 0

Abstract

Dietary 25 hydroxyvitamin D3 (25(OH)D3) promotes serum 25(OH)D3 concentration and alkaline phosphatase activity (ALP); however, post-farrowing reproductive performance of lactating sows fed with 14-epimer of 25(OH)D3 is uncertain. This study investigated post-farrowing reproductive performance, serum ALP activity, and serum 25(OH)D3 concentration in sows fed VD3, 25(OH)D3, or 14-epi 25(OH)D3. Weaned sows (n = 203) in parities 2 and 3 were blocked weekly and treated with 2000 IU/kg VD3 (T1), 25 μg/kg 25(OH)D3:14-epi 25(OH)D3 (T2), or 50 μg/kg 25(OH)D3 (T3) diets, all equilibrated to 2000 IU/kg as fed. Sow performance, treatment, and sampling period effects were analyzed. Environmental conditions were analyzed as covariates. The number of piglets weaned (p = 0.029), pre-weaning mortality (p = 0.029), sampling period (p < 0.001), and treatment and period interaction (p = 0.028) differed significantly. There was an increase in 25(OH)D3 during lactation due to physiological demands for milk calcium and milk production. Supplementing twice the concentration of 25(OH)D3 compared to its epimer, 25(OH)D3:14-epi 25(OH)D3, had no significant effect on the post-farrowing reproductive performance of lactating sows. The effect of 25(OH)D3 on post-farrowing reproductive performance and ALP activity in sows was influenced by metabolic demand for calcium due to physiological changes during lactation as well as epimer conformation.

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日粮中的 25 羟基维生素 D3 可提高母猪泌乳期血清浓度水平和碱性磷酸酶活性，但对母猪产后繁殖性能影响甚微。

日粮中的25羟基维生素D3（25(OH)D3）可提高血清中25(OH)D3的浓度和碱性磷酸酶活性（ALP）；然而，使用25(OH)D3的14-表聚物饲喂泌乳母猪的产后繁殖性能尚不确定。本研究调查了饲喂 VD3、25(OH)D3 或 14-epi 25(OH)D3 的母猪产后繁殖性能、血清 ALP 活性和血清 25(OH)D3 浓度。第 2 和第 3 胎的断奶母猪（n = 203）每周分群，分别饲喂 2000 IU/kg VD3（T1）、25 μg/kg 25(OH)D3:14-epi 25(OH)D3（T2）或 50 μg/kg 25(OH)D3（T3）日粮。分析了母猪性能、处理和采样期的影响。环境条件作为协变量进行分析。断奶仔猪数（p = 0.029）、断奶前死亡率（p = 0.029）、采样期（p < 0.001）以及处理与采样期交互作用（p = 0.028）均存在显著差异。在泌乳期，由于对乳钙和产奶量的生理需求，25（OH）D3 有所增加。与25(OH)D3的同系物25(OH)D3:14-epi 25(OH)D3相比，补充两倍浓度的25(OH)D3对哺乳母猪产仔后的繁殖性能没有显著影响。25（OH）D3对母猪产后繁殖性能和ALP活性的影响受到泌乳期生理变化对钙的代谢需求以及表聚物构象的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Animals Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

4.90

自引率

16.70%

发文量

3015

审稿时长

20.52 days

期刊介绍： Animals (ISSN 2076-2615) is an international and interdisciplinary scholarly open access journal. It publishes original research articles, reviews, communications, and short notes that are relevant to any field of study that involves animals, including zoology, ethnozoology, animal science, animal ethics and animal welfare. However, preference will be given to those articles that provide an understanding of animals within a larger context (i.e., the animals'' interactions with the outside world, including humans). There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental details and/or method of study, must be provided for research articles. Articles submitted that involve subjecting animals to unnecessary pain or suffering will not be accepted, and all articles must be submitted with the necessary ethical approval (please refer to the Ethical Guidelines for more information).