16 1 月, 2026

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Palm Kernel Expeller (PKE): The Ultimate 2025 Guide to Its Benefits & Uses

In the world of animal nutrition and agriculture, finding cost-effective, high-energy feed ingredients is a constant pursuit. One of the most valuable and widely used resources is 棕榈仁榨油机（PKE）. But what exactly is it, and why has it become a cornerstone ingredient for livestock feed across the globe? This ultimate guide explores everything you need to know about its uses, specifications, and incredible benefits in 2025.

棕榈仁压榨机（PKE）到底是什么？

Palm Kernel Expeller (PKE), sometimes called Palm Kernel Cake, is a by-product from the mechanical extraction of oil from the kernel of the oil palm fruit. After the palm fruit is harvested for its oil, the seed or “kernel” inside is processed to extract valuable palm kernel oil. The fibrous, protein-rich material left behind is the PKE.

It is a highly sought-after commodity in the global animal feed industry, particularly for ruminant animals like cattle and sheep. Its balanced profile of energy, protein, and fiber makes it an excellent supplement to traditional forage and grains, helping farmers optimize animal health and production efficiently.

棕榈仁压榨机（PKE）是如何生产的？

生产 棕榈仁榨油机（PKE） is directly linked to the palm oil industry. The process involves a mechanical crushing method known as “expeller pressing.” Here’s a simplified breakdown:

• 收割： 新鲜的 油棕果串 是从油棕树上收获的。
• 采油： The fleshy outer part of the fruit is processed to create 毛棕榈油.
• 内核分离： The hard nut at the center is cracked, separating the valuable 棕榈仁 从 棕榈壳.
• Mechanical Pressing: These kernels are then crushed in a mechanical press (an expeller) to squeeze out the 棕榈油.
• The By-Product: The solid, cake-like residue that remains is the 棕榈核榨油机 (PKE). It is then typically dried and sold as meal or pellets.

Key Specifications of Palm Kernel Expeller (PKE)

The nutritional quality of PKE can vary based on the source and processing method, but it generally features a consistent profile. According to the 联合国粮食及农业组织（FAO）, these are the key specifications that users look for:

粗蛋白（CP）

PKE typically contains a moderate amount of crude protein, usually ranging from 14% to 21%. While not as high as soybean meal, this protein is a valuable component for muscle development and milk production in livestock.

Energy Value

Thanks to its residual oil content and digestible fiber, PKE is an excellent source of energy. This is crucial for maintaining the body condition of dairy cows and supporting growth in beef cattle.

粗纤维

With a crude fiber content between 12% and 18%, it supports healthy rumen function in cattle. This fiber helps stimulate digestion and prevents metabolic issues like acidosis.

Residual Oil (Fat)

The mechanical expeller process leaves a residual oil content of about 8-12%. This fat is a dense source of energy and contributes to the overall palatability of the feed.

The Primary Uses of Palm Kernel Expeller (PKE) in 2025

多功能性 棕榈仁榨油机（PKE） makes it a valuable ingredient in various agricultural sectors. Its primary application remains firmly in animal nutrition.

Feed for Ruminants (Cattle, Sheep, Goats)

PKE is most widely used in feed for ruminants. Its balanced nutrient profile makes it ideal for:

• 乳牛： It provides the necessary energy and protein to support high milk yields without the high cost of conventional grains.
• 肉牛： It is used in finishing rations to promote weight gain and improve meat quality. Research published in journals like the 动物饲料科学与技术 often highlights its efficacy.
• 绵羊和山羊： It serves as an excellent supplementary feed, though care must be taken due to its copper content, which can be toxic to sheep in high concentrations.

Feed for Non-Ruminants (Poultry and Swine)

While less common, PKE is also used in feed for monogastric animals like poultry and pigs. Due to its high fiber content, its inclusion rate is typically lower. However, when processed to improve digestibility, it can be a cost-effective way to supplement their diets.

Other Industrial Applications

Beyond animal feed, researchers are exploring it as a feedstock for biofuel production and as a base for creating organic fertilizers.

4 Incredible Benefits of Using Palm Kernel Expeller (PKE)

1. A Highly Cost-Effective Feed Source

Perhaps the most significant benefit of PKE is its price. As a by-product, it is considerably cheaper than primary feed ingredients like corn, barley, and soybean meal. This allows farmers to reduce feed costs, which often represent the largest expense in livestock operations. For more information on feed economics, you can check resources from agricultural bodies like the American Feed Industry Association.

2. Rich in Essential Nutrients

PKE delivers a powerful combination of energy, fiber, protein, and essential minerals like phosphorus and magnesium. This balanced profile supports overall animal health, from milk production to weight gain and digestive well-being.

3. Promotes Sustainability

使用 棕榈仁榨油机（PKE） is an excellent example of agricultural upcycling. By converting a by-product of the palm oil industry into valuable animal feed, we reduce waste and create a more circular economy. This aligns with sustainable farming practices promoted by organizations like the 可持续棕榈油圆桌会议（RSPO）.

4. Improves Animal Health and Production

The high fiber in PKE promotes good rumen health in cattle, which is essential for efficient digestion. Its energy density helps dairy cows maintain their body condition score during lactation, leading to better fertility and higher lifetime milk production.

潜在的缺点和注意事项

While PKE is highly beneficial, there are a few considerations. The quality can vary, so it’s important to source it from a reputable supplier. Additionally, its palatability can sometimes be an issue, and it’s often mixed with molasses or other feeds to encourage intake. As mentioned, its copper levels make it unsuitable for high-inclusion rates in sheep diets.

Makmur Amanah Sejahtera 提供高品质的棕榈产品，如棕榈仁压榨机、棕榈仁壳、棕榈原油、棕榈仁油等。请通过 WhatsApp +6282140002198 与我们联系，或发送电子邮件至 admin@makmuramanah.co.id。

结论：PKE 在动物营养领域的未来

棕榈仁榨油机（PKE） is far more than just a by-product; it is a fundamental component of the global feed industry. Its unique combination of cost-effectiveness, nutritional value, and sustainability makes it an indispensable tool for farmers aiming to optimize production in 2025 and beyond. By understanding its specifications and benefits, the agricultural community can continue to leverage this remarkable ingredient to feed livestock efficiently and responsibly.