The Effects of Indigo Waste Silage Prepared with Additives on Feed Availability, Rumen Fermentation Patterns, Blood Metabolites, and Hematological Indices in Beef Cattle.

IF 2 2区农林科学 Q2 VETERINARY SCIENCES

Veterinary Sciences Pub Date : 2024-11-22 DOI:10.3390/vetsci11120588

Nirawan Gunun, Chatchai Kaewpila, Waroon Khota, Wasana Phlaetita, Pongsatorn Gunun

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引用次数: 0

Abstract

The purpose of this study was to evaluate the impact of different additives in fermented indigo waste on feed availability, rumen fermentation patterns, blood chemistry, and hematology in beef cattle. Four male crossbred beef cattle with a body weight (BW) of 230 ± 14 kg and 25 months of age were used in a 4 × 4 Latin square design. The indigo waste was ensiled without additive (CON) and with calcium hydroxide (CH), molasses (M), or cellulase (C). The indigo waste silage was incorporated into a fermented total mixed ration (FTMR). The neutral detergent fiber (NDF) content was lower in C-treated silage. The feed intake did not alter among treatments (p > 0.05). The ensiled indigo waste with additives had no influence on nutrient digestibility (p > 0.05), whereas the ensiled indigo waste with M increased CP digestibility (p < 0.01). The rumen pH, ammonia-nitrogen (NH₃-N), or volatile fatty acid (VFA) proportions did not change by additive (p > 0.05). However, adding M increased the acetate-to-propionate ratio (C2:C3) (p = 0.04). In addition, the total protein in the blood was higher in C-treated silage (p = 0.01). The homological indices did not change by additive (p > 0.05), except for lymphocytes, which decreased when M and C were added (p < 0.01). In conclusion, adding M and C to indigo waste silage could enhance its nutritional value and improve digestibility, blood chemistry, or health status in beef cattle.

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添加添加剂靛蓝废青贮对肉牛饲料利用率、瘤胃发酵模式、血液代谢产物和血液学指标的影响

本试验旨在评价靛蓝发酵废液中添加不同添加剂对肉牛饲料利用率、瘤胃发酵模式、血液化学和血液学的影响。选用体重230±14 kg、25月龄的雄性杂交肉牛4头，采用4 × 4拉丁方试验设计。靛蓝废青贮不添加添加剂（CON），加入氢氧化钙（CH）、糖蜜(M)或纤维素酶(C)青贮。靛蓝废青贮加入发酵的总混合日粮（FTMR）。c处理青贮中中性洗涤纤维（NDF）含量较低。各组采食量无显著差异（p < 0.05）。添加添加剂的青贮靛蓝废物对营养物质消化率无显著影响（p < 0.05），添加M的青贮靛蓝废物提高了粗蛋白质消化率（p < 0.01）。添加物对瘤胃pH、氨氮（NH3-N）和挥发性脂肪酸（VFA）比例无显著影响（p < 0.05）。然而，添加M增加了乙酸与丙酸的比值（C2:C3）（p = 0.04）。此外，c处理青贮仔猪血液中总蛋白含量较高（p = 0.01）。除淋巴细胞在添加M和C后呈下降趋势（p < 0.01）外，各同源性指标均无显著变化（p < 0.05）。综上所述，在靛蓝废青贮中添加M和C可提高其营养价值，改善肉牛消化率、血液化学或健康状况。

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来源期刊

Veterinary Sciences VETERINARY SCIENCES-

CiteScore

2.90

自引率

8.30%

发文量

612

审稿时长

6 weeks

期刊介绍： Veterinary Sciences is an international and interdisciplinary scholarly open access journal. It publishes original that are relevant to any field of veterinary sciences, including prevention, diagnosis and treatment of disease, disorder and injury in animals. This journal covers almost all topics related to animal health and veterinary medicine. Research fields of interest include but are not limited to: anaesthesiology anatomy bacteriology biochemistry cardiology dentistry dermatology embryology endocrinology epidemiology genetics histology immunology microbiology molecular biology mycology neurobiology oncology ophthalmology parasitology pathology pharmacology physiology radiology surgery theriogenology toxicology virology.