Uso múltiple de leguminosas como abono verde, en rotación con maíz, y heno, para producción de leche

IF 0.2 Q4 AGRICULTURE, MULTIDISCIPLINARY

Revista Corpoica-Ciencia y Tecnologia Agropecuaria Pub Date : 2016-05-04 DOI:10.21930/RCTA.VOL17_NUM1_ART:456

Edwin Castro Rincón, Andrea Milena Sierra Alarcón, José Edwin Mojica Rodríguez, J. C. Fornaguera, C. Aguilar

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引用次数: 9

Abstract

The dry tropical livestock systems go through dramatic decrease in milk production during the dry season. This can be mitigated by including legumes as green manure in forage crops as silage and hay to feed cows. Two experiments were conducted to evaluate 1) the contribution of legumes to milk production in cows supplemented with Canavalia brasiliensis as hay and 2) the effect of the removal of legume (5 levels between 0-100 %) on corn production as forage. A direct relationship between the level of legume biomass removal and reduced maize yield (r = 0.85) was observed. When levels of removal of C. brasiliensis were below 50 %, the forage yield of corn was not affected (MS 11,283 kg ha-1) compared to non-removal treatment (12,601 kg MS ha-1)(p > 0.05). At the time of corn harvest, the total nitrogen decreased (15-20 %); NO3 varied between 8 and 26 mg/kg, with lower levels contained in the removal of 75 to 100 %; and 15 % organic C increased with the removal of 0, 25 and 50 % legume. Regarding the second experiment, it was found that cows supplemented with hay C. brasiliensis, increased their milk production by 17 % with supplementation of 1.5 % LW/day. The compositional quality of milk did not change due to the treatment of hay supplementation of C. brasiliensis.

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多用途豆科植物作为绿肥，与玉米和干草轮作，用于牛奶生产

干旱的热带牲畜系统在旱季的产奶量急剧下降。这可以通过在饲料作物中加入豆类作为绿肥作为青贮饲料和干草来缓解。本试验通过2个试验，分别评价1)添加巴西芥为干草时豆科植物对奶牛产奶量的贡献;2)饲粮中豆科植物(0 ~ 100% 5个水平)的去除对玉米产量的影响。豆科植物生物量去除水平与玉米产量降低之间存在直接关系(r = 0.85)。与未清除处理(12,601 kg MS ha-1)相比，当巴西木霉去除水平低于50%时，玉米的饲料产量(MS 11,283 kg ha-1)不受影响(p > 0.05)。玉米收获时，总氮含量下降(15- 20%);NO3在8至26 mg/kg之间变化，去除率在75%至100%之间;有机碳含量随豆科含量的增加而增加15%。在第2个试验中，发现奶牛在添加1.5% LW/d的情况下，产奶量提高了17%。牛奶的成分质量未因加干草处理而发生变化。

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

Revista Corpoica-Ciencia y Tecnologia Agropecuaria AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： The journal Ciencia y Tecnología Agropecuaria (Science and Agricultural Technology) is a four-monthly scientific publication edited since October 1996 by the Corporación Colombiana de Investigación Agropecuaria - Agrosavia. The journal publishes articles on diverse thematic areas typical of the agricultural sector (multidisciplinary), written in Spanish or English, especially from Latin American and Caribbean researchers. The contributions that apply for the journal must be original and unpublished. The articles are reviewed by national and international peers (peer review). The journal is non-commercial and open access, this means that it doesn’t charge for the reception and/or publication of articles in both, its printed and digital version. The journal is aimed at the scientific community of the agricultural sector in Latin America and the Caribbean.