Feed characteristics of dried corn grain and corn grain silage produced in Japan compared with imported corn grain

IF 1.7 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animal Science Journal Pub Date : 2024-04-03 DOI:10.1111/asj.13938

Eiko Touno, Shin-ichi Tagawa, Tomomi Kamizono, Hisanori Kunizane, Hiroshi Uchino, Hidenori Kawamoto, Sunao Uozumi, Shin Deguchi

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引用次数: 0

Abstract

We compared the in situ dry matter degradability (ISDMD) and crude protein degradability (ISCPD) of high-moisture corn grain silage and dried corn grains produced in Japan (JHC and JDC, respectively) with corn grains imported from the United States (USC), Brazil (BRC), and South Africa (SAC). The ISDMD values of USC, BAC, and SAC were between those of JHC and JDC, but ISDMD did not differ significantly between USC and SAC. In contrast, ISDMD was lower for BAC than USC and SAC. Overall, our results indicate that ISDMD and ISCPD in the rumen differ between corn grains sources (domestic compared with imported and between production locations), primarily due to differences between the corn varieties represented. In particular, the ISDMD and ISCPD of JHC were greater than those of JDC, and this difference in degradability needs to be considered when using high-moisture corn grain silage as a substitute for dried corn grain as a feed for dairy cattle.

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日本生产的干玉米粒和青贮玉米粒与进口玉米粒的饲料特性比较

我们比较了日本生产的高水分青贮玉米粒和干玉米粒（分别为 JHC 和 JDC）与从美国（USC）、巴西（BRC）和南非（SAC）进口的玉米粒的原位干物质降解率（ISDMD）和粗蛋白降解率（ISCPD）。USC、BAC 和 SAC 的 ISDMD 值介于 JHC 和 JDC 之间，但 USC 和 SAC 之间的 ISDMD 没有显著差异。相比之下，BAC 的 ISDMD 值低于 USC 和 SAC。总之，我们的研究结果表明，瘤胃中的 ISDMD 和 ISCPD 在不同玉米谷物来源（国产与进口以及不同生产地）之间存在差异，这主要是由于所代表的玉米品种之间存在差异。特别是，JHC 的 ISDMD 和 ISCPD 比 JDC 大，在用高水分玉米粒青贮替代干玉米粒作为奶牛饲料时，需要考虑这种降解性差异。

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

Animal Science Journal 生物-奶制品与动物科学

CiteScore

3.80

自引率

5.00%

发文量

111

审稿时长

1 months

期刊介绍： Animal Science Journal (a continuation of Animal Science and Technology) is the official journal of the Japanese Society of Animal Science (JSAS) and publishes Original Research Articles (full papers and rapid communications) in English in all fields of animal and poultry science: genetics and breeding, genetic engineering, reproduction, embryo manipulation, nutrition, feeds and feeding, physiology, anatomy, environment and behavior, animal products (milk, meat, eggs and their by-products) and their processing, and livestock economics. Animal Science Journal will invite Review Articles in consultations with Editors. Submission to the Journal is open to those who are interested in animal science.