棕榈仁压榨机（PKE）：2025 年用途及价格终极指南

目录

• 什么是棕榈仁压榨机（PKE）？
• Key Specifications of PKE
• The Ultimate Guide to PKE Uses
• Understanding the PKE Price in 2025
• Benefits and Drawbacks of PKE in Animal Feed
• 常见问题解答

什么是棕榈仁压榨机（PKE）？

棕榈仁压榨机（PKE） is a crucial co-product derived from the palm oil industry, specifically from the 棕榈仁, of the oil palm fruit (油棕). After the kernel is crushed to extract 棕榈仁油 using a mechanical screw press (expeller), the leftover fibrous material is PKE. This makes it a highly sustainable and cost-effective ingredient, primarily for the animal feed sector.

Often, the terms Palm Kernel Expeller and Palm Kernel Cake (PKC) are used interchangeably. However, there’s a slight technical difference. PKE is the result of mechanical extraction, leaving a moderate oil content. PKC, on the other hand, can sometimes refer to the product left after solvent extraction, which results in a lower residual oil level. For most commercial purposes, PKE is the more common term.

Key Specifications of PKE

The quality and nutritional value of PKE can vary based on the oil extraction efficiency and the quality of the kernels. However, reputable suppliers adhere to a standard set of specifications that buyers, especially animal nutritionists, rely on. Understanding these parameters is key to formulating effective feed rations.

Typical Nutritional Profile

• 粗蛋白（CP）： Typically ranges from 14-18%. This makes PKE a valuable source of protein for livestock, balancing the cost against other sources like soybean meal.
• Crude Fat (Oil Content): Usually between 8-12%. The residual oil is a dense source of energy for animals.
• Crude Fibre (CF): High in fiber, generally 15-20%. While this limits its use in monogastric animals, it’s highly beneficial for ruminants’ digestive health.
• 代谢能（ME）： Averages around 10-12 MJ/kg, providing significant energy for growth and milk production. For an in-depth analysis, you can review this comprehensive study on its energy values.
• 灰分含量： Generally below 5%, indicating a low level of mineral contaminants.

The Ultimate Guide to PKE Uses

While primarily known as an animal feed ingredient, PKE has several other valuable applications. Its composition makes it a versatile product in both agricultural and industrial settings.

1. A Cornerstone of Ruminant Feed

PKE shines brightest as a feed for ruminants like dairy and beef cattle, sheep, and goats. Its high fiber content supports healthy rumen function, and its balanced profile of protein and energy makes it an ideal, cost-effective component of their total mixed ration (TMR).

Dairy farmers particularly value this ingredient for its ability to maintain milk fat content and provide a steady energy release. Its palatable nature encourages feed intake, leading to consistent production. Many dairy industry resources confirm its widespread use and benefits in cattle diets.

2. A Feed Supplement for Other Livestock

For monogastric animals like poultry and swine, PKE is used more strategically. Due to its high fiber, it’s typically included at lower rates (5-10% of the diet). It serves as a filler and supplementary nutrient source, helping to manage overall feed costs without compromising animal performance when formulated correctly.

3. An Eco-Friendly Biofuel Source

Beyond the farm, PKE is a valuable biomass fuel. With its good calorific value, it can be burned in industrial boilers to generate steam and electricity, offering a renewable energy alternative to fossil fuels. This aligns with global efforts to create more sustainable biofuel options from agricultural by-products, such as 棕榈仁壳 以及 油棕果串.

Understanding the PKE Price in 2025

The price of PKE is dynamic and influenced by a complex interplay of global market factors. For buyers, staying informed about these drivers is essential for making timely and cost-effective procurement decisions in 2025.

Key Factors Influencing PKE Price

1. 粗棕榈油 (CPO) Market: The PKE market is intrinsically linked to the CPO market. High CPO production generally leads to a greater supply of PKE, which can put downward pressure on prices, and vice versa.
2. Global Supply & Demand: Major producing countries like Indonesia and Malaysia dictate supply. Meanwhile, demand is driven by major importers like New Zealand, the European Union, and China for their livestock industries.
3. 竞争饲料成分： The price of alternatives like soybean meal, corn, and distillers dried grains (DDGS) directly impacts PKE demand. If these alternatives become more expensive, demand for PKE often rises. You can track these trends on global commodity price websites.
4. 物流和货运成本： As a bulk commodity, shipping costs play a significant role in the final landed price of PKE. Fluctuations in ocean freight rates can cause major price swings.

Benefits and Drawbacks of PKE in Animal Feed

Like any feed ingredient, PKE has a unique set of advantages and potential challenges that nutritionists must balance.

The Proven Advantages

• 成本效益： It is almost always a more economical source of protein and energy compared to other mainstream options.
• 高可用性： As a co-product of the world’s most-consumed vegetable oil, supply is generally stable and abundant.
• Rumen Health: The “scratch factor” from its high fiber content stimulates rumination and helps prevent digestive issues like acidosis in cattle.

Potential Drawbacks to Consider

• Nutrient Variability: Quality can differ between suppliers. It’s crucial to source from reputable sellers who provide consistent specifications.
• High Fiber Limitations: Its high fiber content makes it unsuitable for high-inclusion rates in poultry and swine diets.
• Storage and Contamination: Like many feedstuffs, PKE must be stored in a dry, cool place to prevent mold growth and mycotoxin contamination, a key focus of organizations like the 联合国粮食及农业组织（粮农组织） on feed safety.

常见问题解答

Is PKE the same as palm oil?

No. PKE is the by-product left after palm kernel oil is extracted from the kernel of the palm fruit. It is a solid, fibrous material, not an oil.

棕榈仁粕（PKE）的主要用途是什么？

The overwhelming primary use of PKE is as an ingredient in animal feed, particularly for ruminant animals like cattle.

Why is PKE good for dairy cows?

PKE provides a balanced source of energy and protein, and its high fiber content is excellent for promoting a healthy rumen environment, which is crucial for milk production and animal well-being.

综上所述，, 棕榈仁压榨机 （PKE） stands out as a remarkably valuable and sustainable resource for the global feed industry. Its cost-effectiveness and favorable nutritional profile for ruminants ensure it will remain a staple in feed formulations for years to come. By understanding its specifications, uses, and market drivers, you can effectively leverage PKE to optimize both animal performance and profitability.