生长肥育猪用草/三叶草青贮——青贮预处理和饲喂策略对生长性能和胴体性状的影响

IF 0.8 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Acta Agriculturae Scandinavica Section A-Animal Science Pub Date : 2021-10-02 DOI:10.1080/09064702.2021.1993319

Johanna Friman, T. Lundh, M. Presto Åkerfeldt

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引用次数: 6

摘要

摘要本试验旨在研究饲喂策略和草/三叶草青贮预处理对猪生长性能和胴体性状的影响。共有128头体重30-110 kg的猪饲喂了商业对照饲料，或饲喂了颗粒青贮饲料(SP)或含有切碎青贮饲料(SC)或深度处理青贮饲料(SE)的全混合比例青贮饲料(TMR)。青贮饲料替代饲粮粗蛋白质含量的20% (g/kg)。饲粮影响增重(P = 0.001)，饲喂SP饲粮的猪整体生长性能最好。SC组猪的增重最低(P = 0.001)， SE组猪的增重与对照组猪相似。胴体重和屠宰率差异显著(P = 0.016和P = 0.018)，瘦肉含量差异不显著(P = 0.832)。结果表明，青贮饲料具有良好的生长性能和胴体性状，可以替代生长/育肥猪饲粮中的其他蛋白质来源。

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Grass/clover silage for growing/finishing pigs – effect of silage pre-treatment and feeding strategy on growth performance and carcass traits

ABSTRACT This study evaluated the influence of feeding strategy and grass/clover silage pre-treatment on pig growth performance and carcass traits. In total, 128 pigs weighing 30–110 kg were fed either a commercial control feed or received silage in a pellet (SP) or in a total mixed ratio (TMR) containing chopped silage (SC) or intensively treated silage (SE). Silage replaced 20% of dietary crude protein content (g/kg). Diet affected weight gain (P = 0.001), with pigs fed the SP diet showing best overall growth performance. Pigs fed the SC diet had the lowest weight gain (P = 0.001), while pigs fed the SE diet performed similarly to those fed the control diet. Carcass weight and dressing percentage differed between the diets (P = 0.016 and P = 0.018), but there was no difference in lean meat content (P = 0.832). The results show satisfactory growth performance and carcass traits, indicating that silage can replace other protein sources in growing/finishing pig diets.

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来源期刊

Acta Agriculturae Scandinavica Section A-Animal Science 农林科学-奶制品与动物科学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： Acta Agriculturæ Scandinavica, Section A – Animal Science publishes results of original research in animal science and their applications related to the following topics: -Animal breeding and genetics -Molecular genetics -Animal physiology and reproduction -Nutrition and feeding -Animal behaviour and welfare -General animal husbandry and systems of production, including economic and technical aspects -Hygiene and quality of animal products In addition to original articles, covering basic as well as applied subjects, the journal features review articles and short communications. Acta Agriculturæ Scandinavica, Section A – Animal Science forms part of a trilogy of titles published on behalf of the Nordic Association of Agricultural Scientists (NJF). The series also includes Section B - Soil & Plant Science and the recently launched Section C - Food Economics . Acta Agriculturae Scandinavica A, B and C are available to purchase as a combined subscription. This provides access to all three journals in the series, and is available to institutional subscribers only. For full pricing information, please view the Taylor & Francis Journals Price List here. Scientists in research, teaching and extension with specialised interest in animal science and production.