Effects of a DHA-rich unextracted microalgae as a dietary supplement on performance, carcass traits and meat fatty acid profile in growing-finishing pigs

被引：27
|
作者：
Moran, C. A. [1 ]
Morlacchini, M. [2 ]
Keegan, J. D. [3 ]
Delles, R. [4 ]
Fusconi, G. [2 ]
机构：
[1] Alltech SARL, Vire, France
[2] Cerzoo Ctr Ric Zootecnia & Ambiente SRL, Piacenza, Italy
[3] Alltech European Biosci Ctr, Dunboyne, Ireland
[4] Alltech Inc, Nicholasville, KY USA
来源：
JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION | 2018年 / 102卷 / 04期
关键词：
carcass; docosahexaenoic acid; fatty acid; growth; microalgae; pig; DOCOSAHEXAENOIC ACID; FISH-OIL; PORK; ESSENTIALITY; EXPRESSION; DURATION; QUALITY; LINSEED; HEALTH;
D O I：
10.1111/jpn.12911
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Two 125-day experiments of the same design were conducted to evaluate the effects of a heterotrophically grown microalgae (AURA) containing docosahexaenoic acid (DHA) on pig performance, carcass traits and the fatty acid composition of lean and adipose tissue. In each experiment, 144 Hypor pigs were blocked by sex, allocated to three treatment groups, and fed 0, 0.25% or 0.50% AURA in isonutritive, isocaloric diets. Pigs were weighed on days 0, 28, 56, 84 and 112. Feed and water intakes were measured every 28days. Pigs were slaughtered on day 125. Data from the two studies were analysed as a single data set. Performance and carcass traits did not differ between treatments. Both microalgae treatment levels enriched (p<.05) Longissimus lumborum (LL) and backfat in DHA and improved (p<.05) their ratios of n-6 to n-3 fatty acids.
引用
收藏
页码：1026 / 1038
页数：13
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