好氧或厌氧条件下氧化钙处理咖啡壳的瘤胃降解动力学

IF 0.2 4区农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Revista Colombiana De Ciencias Pecuarias Pub Date : 2020-06-17 DOI:10.17533/udea.rccp.v34n1a05

J. P. Roseira, Rasmo Garcia, Tâmara C Da-Silveira, C. Veloso, Thiago C Da-Silva, Leandro D Da-Silva, E. T. Ribeiro

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引用次数: 0

摘要

背景:通过干法加工获得的咖啡壳有潜力用于反刍动物的日粮。目的:研究不同环境条件下氧化钙(CaO)处理的咖啡壳的干物质(DM)和中性洗涤纤维(NDF)的化学组成和原位降解性。方法:采用完全随机设计，4个重复，共16个试验单元，采用2 × 2因子处理，包括2个CaO水平(以DM为基础的0和5%)和2个环境条件(好氧和厌氧)。5 g样品在2只雄性牛瘤胃中孵育0、3、6、9、12、24、48、72、96和120 h。结果:在干物质降解动力学参数方面，除组分b外，其余组分的潜在降解率和有效降解率均受到CaO × EC交互作用的影响(p<0.05)。对于纤维降解参数的估计，潜在降解分数b受到影响(p<0.05)。

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Rumen degradation kinetics of coffee hulls treated with calcium oxide under aerobic or anaerobic conditions

Background: Coffee hulls obtained from dry processing, have the potential to be used in ruminant diets. Objective: To evaluate the chemical composition and in situ degradability of dry matter (DM) and neutral detergent fiber (NDF) of coffee hulls treated with calcium oxide (CaO) in different environmental conditions (EC). Methods: Coffee hulls were subjected to treatments distributed in a 2 × 2 factorial arrangement, consisting of two levels of CaO (0 and 5%, on a DM basis) and two environmental conditions (aerobiosis and anaerobiosis) in a completely randomized design with four replicates, totaling sixteen experimental units. Five-gram samples were incubated in the rumen of two male cattle for 0, 3, 6, 9, 12, 24, 48, 72, 96, and 120 h. Results: Regarding dry matter degradation kinetic parameters, except for fraction b, the potential and effective degradability was affected (p<0.05) by a CaO × EC interaction. As for estimated fiber degradation parameters, the potentially degradable fraction b was affected (p<0.05)

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来源期刊

Revista Colombiana De Ciencias Pecuarias AGRICULTURE, DAIRY & ANIMAL SCIENCE-

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The editors of Revista Colombiana de Ciencias Pecuarias (RCCP) welcome the submission of original manuscripts on experimental and clinical studies associated with the broad areas of animal sciences and veterinary medicine as they interface with biochemistry, molecular biology, physiology, pharmacology, toxicology, pathology, microbiology, parasitology, immunology and epidemiology. The scope of the journal includes studies of basic and applied research in animal management and production, feeding and nutrition, reproduction, breeding, genetics, animal welfare and behavior; as well as animal production focussed from biotechnology, soil science, agrostology, silvopastoral systems, livestock economics and the environment. The criteria for acceptance of papers submitted for publication are originality, quality and clarity of the content. Each contribution must be based on original, unpublished research that has not been simultaneously submitted to other journals. All papers will be peer reviewed. All authors bear responsibility for ensuring the integrity and quality of their reported research. It is the author''s responsibility to secure permission to use figures or tables that have been published elsewhere. Contributions may be classified as original research, review, rapid communication, clinical case studies or methodological articles, as well as news/commentaries or letters to the editor. Most review articles are invited by the editor. Authors interested in submitting a review article should contact the corresponding editor. Rapid publication of original manuscripts is a goal of the journal. Manuscripts must be written in English. Each manuscript is considered for publication with the understanding that it has not been simultaneously submitted to any other journal. Upon acceptance for publication, papers are subject to editorial review and revision.