含板栗豆粕和尿素的象草青贮发酵损失及有氧稳定性

IF 0.9 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Tropical Grasslands-Forrajes Tropicales Pub Date : 2023-01-31 DOI:10.17138/tgft(11)52-60

Luana Andrade da Costa, R. Edvan, L. Bezerra, D. L. D. S. Jácome, José Pires De Carvalho Neto, Alex Rodrigues De Sousa, Mayra Fernanda Alves De Macedo, O. T. Medeiros, T. P. Dias-Silva, M. D. de Araújo

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引用次数: 0

摘要

评价了添加4个水平的鸭嘴草荚粉（PP）（0、10、20和30%）和2个水平的尿素（0和1.5%）的象草青贮饲料的发酵损失和有氧稳定性。分析硅烷的气体和流出物损失、干物质回收率（DMR）、pH和需氧稳定性（pH和温度），以确定尿素和PP水平之间的相互作用对硅烷的气体损失、干物回收率、温度和pH的影响。尿素和聚丙烯的组合增加了气体损失并降低了DMR。PP降低了流出物损失，尿素提高了硅烷的好氧稳定性。pH值随着PP的加入而降低，随着尿素的使用而增加。随着时间的推移，含有20%和30%聚丙烯的青贮饲料表现出更大的稳定性，尤其是当与尿素结合时。PP和尿素在减少出水损失、保持DMR和允许更高的好氧稳定性方面是有效的，在象草硅烷中加入20%的PP后，稳定性从40小时开始破裂。

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Fermentation losses and aerobic stability of elephant grass silages containing Parkia platycephala pod meal and urea

Fermentation losses and aerobic stability of elephant grass silages with inclusion of 4 levels of Parkia platycephala pod meal (PP) (0, 10, 20 and 30 %) and 2 levels of urea (0 and 1.5 %) on as-fed basis were evaluated. The silages were analyzed for gas and effluent losses, dry matter recovery (DMR), pH and aerobic stability (pH and temperature) to determine effects of interactions between levels of urea and PP on gas losses, dry matter recovery, temperature and pH of the silages. The combination of urea and PP increased gas losses and reduced the DMR. PP reduced effluent losses and urea increased aerobic stability of the silages. pH values decreased with inclusion of PP and increased with use of urea. Silages containing 20 and 30 % PP showed greater stability over time, especially when associated with urea. PP with urea were effective in reducing effluent losses, maintaining DMR and allowing higher aerobic stability, with stability rupture from 40 h with the inclusion of 20 % of PP in elephant grass silages.

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来源期刊

Tropical Grasslands-Forrajes Tropicales Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： The Journal publishes, in English or Spanish, Research Papers and Short Communications on research and development, as well as contributions from practitioners (Farmer Contributions) and Review Articles, related to pastures and forages in the tropics and subtropics. There is no regional focus; the information published should be of interest to a wide readership, encomprising researchers, academics, students, technicians, development workers and farmers. In general, the focus of the Journal is more on sown (''improved'') pastures and forages than on rangeland-specific aspects of natural grasslands, but exceptions are possible (e.g. when a submission is relevant for a particularly broad readership in the pasture and forage science community). The Journal will also consider the occasional publication of associated, but closely related, research in the form of an additional scientific communication platform [e.g. a re-make of the former Genetic Resources Communication series of the former Division of Tropical Crops and Pastures of the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia]. Areas of particular interest to the Journal are: Forage Genetic Resources and Livestock Production[...] Environmental Functions of Forages[...] Socio-economic Aspects[...] Topics within the aforementioned areas may include: Diversity evaluation; Agronomy; Establishment (including fertilization); Management and utilization; Animal production; Nutritive value; Biotic stresses (pests and diseases, weeds); Abiotic stresses (soil fertility, water, temperature); Genetics and breeding; Biogeography and germplasm collections; Seed production; Ecology; Physiology; Rhizobiology (including BNF, BNI, mycorrhizae); Forage conservation; Economics; Multilocational experimentation; Modelling.