1 11 月, 2025

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

目录

什么是棕榈仁榨油机（PKE）？棕榈仁压榨机（PKE）是如何生产的？棕榈仁压榨油（PKE）的营养成分5 Key Benefits of Using Palm Kernel Expeller (PKE) in Animal Feed棕榈仁压榨机（PKE）的常见用途Limitations and Considerations When Using PKE常见问题 (FAQ)Conclusion: The Future of PKE in Sustainable Agriculture

In the quest for sustainable and cost-effective animal nutrition, agricultural industries are constantly exploring alternative feed ingredients. One such powerhouse is 棕榈核榨油机 （PKE）, a significant by-product of the palm oil industry that has become a staple in livestock diets worldwide. But what exactly is it, and why is it gaining so much attention?

This comprehensive guide dives deep into the world of PKE, exploring its production process, nutritional benefits, primary uses, and the crucial considerations for integrating it into feed formulations. Whether you’re a farmer, nutritionist, or just curious about sustainable agriculture, this article covers everything you need to know.

什么是棕榈仁榨油机（PKE）？

Palm Kernel Expeller (PKE) is a by-product derived from the mechanical extraction of oil from the kernel of the oil palm fruit (油棕). After the palm fruit is harvested and the palm oil is extracted from its fleshy mesocarp, the remaining nut is cracked to obtain the kernel. This kernel is then crushed to extract palm kernel oil, and the residual solid material left behind is what’s known as PKE.

Often referred to as Palm Kernel Cake (PKC), it is an excellent source of protein, energy, and fiber, making it a valuable feed ingredient for various types of livestock, especially ruminants like cattle, sheep, and goats.

棕榈仁压榨机（PKE）是如何生产的？

The production of PKE is directly linked to palm oil processing. The process ensures that every part of the palm fruit is utilized, minimizing waste and creating a circular economic model. This commitment to sustainability is a core part of modern agriculture.

收获和灭菌： 新鲜的 油棕果串es are harvested and sterilized with steam to halt enzymatic activity that can increase free fatty acids.采油： The sterilized fruits are processed to extract 毛棕榈油 (CPO) from the outer flesh.坚果开裂： The remaining nuts are cracked, and the 棕榈仁s are separated from the 棕榈壳s.果仁粉碎： The kernels are crushed using a mechanical screw press (expeller) to extract 棕榈油. The solid residue that is “expelled” from this process is the PKE itself.

棕榈仁压榨油（PKE）的营养成分

The nutritional value of PKE can vary based on the oil extraction efficiency and the amount of shell remaining. However, it is generally recognized for its balanced profile of energy, protein, and fiber.

Here is a typical nutritional breakdown:

粗蛋白： 14-18%. While not as high as soybean meal, it provides a valuable source of amino acids.粗纤维： 15-20%. The high fiber content is particularly beneficial for ruminant animals, aiding in proper rumen function and digestive health.粗脂肪/油： 5-10%. The residual oil is a good source of energy for livestock.Metabolizable Energy (ME): Typically ranges from 10-12 MJ/kg, making it a reliable energy source.矿物质： It contains essential minerals such as phosphorus, magnesium, and iron. However, it’s known for having a high copper content, which requires careful management for sheep. For more detailed analysis, you can refer to studies on animal feed composition like those from Feedipedia.

5 Key Benefits of Using Palm Kernel Expeller (PKE) in Animal Feed

1. 卓越的成本效益

This by-product is often more affordable than traditional protein sources like soybean meal or corn. This price advantage allows farmers to lower overall feed costs without compromising on essential nutrients, directly impacting their profitability.

2. High Fiber for Ruminant Health

Its high digestible fiber content promotes healthy rumen function in cattle, goats, and sheep. It supports the growth of beneficial microbes and helps prevent digestive issues like acidosis, leading to healthier and more productive animals.

3.可持续且环保

As a by-product, PKE contributes to a more sustainable agricultural system by reducing waste from the palm oil industry. Utilizing it aligns with circular economy principles, making it an environmentally responsible choice. The 可持续棕榈油圆桌会议（RSPO） promotes these practices globally.

4. Good Source of Bypass Protein

A portion of its protein is “bypass protein,” meaning it resists degradation in the rumen and is digested in the small intestine. This provides a direct supply of amino acids to the animal, which is crucial for milk production and muscle growth.

5. Palatable and Widely Available

Most livestock, especially cattle, find PKE highly palatable, which encourages steady feed intake. Its widespread availability, particularly in tropical regions where palm is cultivated, ensures a consistent supply chain for feed manufacturers.

棕榈仁压榨机（PKE）的常见用途

This feed is a versatile ingredient used across different livestock sectors.

Dairy and Beef Cattle

This is the largest market for PKE. It is an ideal supplement for grazing cattle, providing a balance of energy, protein, and fiber. In dairy rations, it can increase milk fat content and serve as a cost-effective component of a Total Mixed Ration (TMR).

绵羊和山羊

It is a valuable feed for sheep and goats, though formulations must be managed carefully due to sheep’s sensitivity to high copper levels. When balanced correctly, it supports growth and lactation effectively.

家禽和猪

Due to its high fiber content, the inclusion rate of PKE in monogastric diets (like chicken and pigs) is limited. However, recent research highlighted by institutions like the 联合国粮食及农业组织（FAO） shows that enzyme supplementation can improve its digestibility, making it more viable for this sector.

Limitations and Considerations When Using PKE

While this feed offers many benefits, there are important factors to consider:

Variability in Quality: Nutritional content can differ between suppliers. It’s crucial to source PKE from reputable producers who can provide a consistent product analysis.Copper Content: As mentioned, PKE has high copper levels, which can be toxic to sheep. Feed rations for sheep must be carefully formulated to stay within safe limits.霉菌毒素风险： Like many feed ingredients stored in tropical climates, PKE can be susceptible to mold and mycotoxin contamination if not stored properly. Always ensure it is kept in a dry, cool environment. You can find more on this in scientific literature, for instance, via 谷歌学术.坚毅： The texture of PKE can be gritty due to residual shell content, which may affect palatability for some animals if not mixed well with other ingredients.

常见问题 (FAQ)

Is Palm Kernel Expeller the same as palm oil?

No. PKE is the solid, protein-rich meal left over after palm kernel oil has been extracted from the kernel of the palm fruit. It is a by-product, not the oil itself.

What is the ideal inclusion rate for PKE in cattle feed?

For dairy and beef cattle, PKE can typically be included at rates of 20-30% of the total diet, but this can go up to 50% in some well-balanced formulations. It’s always best to consult an animal nutritionist.

PKE 是一种可持续产品吗？

Yes, PKE is considered a sustainable ingredient because it is a by-product that would otherwise go to waste. Its use in animal feed adds value to the palm industry and reduces the need for other crops that may require dedicated land and resources.

Conclusion: The Future of PKE in Sustainable Agriculture

棕榈仁榨油机（PKE） stands out as a remarkably beneficial and sustainable ingredient in the global animal feed industry. Its unique combination of cost-effectiveness, high fiber, and valuable protein makes it an indispensable resource for livestock farmers, particularly in the ruminant sector.

By understanding its nutritional profile, benefits, and limitations, farmers and feed manufacturers can effectively incorporate this by-product to create balanced, affordable, and environmentally conscious feed solutions. As the world moves towards a more circular economy, the role of ingredients like PKE will only become more critical.

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。