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Biomin P.E.P. - Latest studies show improved Feed Conversion Rate (FCR)

Arthur Kroismayr


Feed conversion is one of the most important factors to economically optimise animal production. Since feed commodity prices have recently been increasing, Feed Conversion Rate (FCR) must be optimised. Biomin P.E.P. in animals' diets increases nutrient utilisation and stabilises a healthy gut micro-flora.


Biomin P.E.P. is an established phytogenic feed additive based on essential oils. The phytogenic substances present in Biomin P.E.P. have positive effects on gut micro-flora of monogastric animals. Essential oils in Biomin P.E.P. decrease the activity of disturbing bacteria.


Scientific studies (Kroismayr et al., 2006) have shown that, for example, contents of ammonia or biogenic amines are decreased in the intestine when Biomin P.E.P. is added to feed. This mode of action leads to higher supply of important nutrients (such as essential amino acids) for the animals. Many scientific tests supported by field trials show that products from the Biomin P.E.P. line have a beneficial impact on nutrient utilisation. A healthy gut wall becomes an added benefit by resisting attacks from possible pathogens.


Rising grain demand for bio-fuel production has contributed to higher feed costs. Additionally, bio-ethanol production is supported by many national governments, especially in the US, where this market grew more than 20 percent in 2006. Consequently, improving feed conversion of livestock has become very important.


This article introduces a few selected trials that demonstrate the impact of Biomin P.E.P. on feed conversion in swine and poultry.


The first trial was conducted in 2005 at Nanjing University, China, involving 120 piglets weaned at 23 days of age. After 50 days, piglets receiving Biomin P.E.P. were 3.09 kilograms heavier (P=0.013) than those in the control group. The higher growth rates and better feed conversion also resulted in a calculated return on investment (ROI) of 11:1.


A 42-day study at Kansas State University, US, was conducted in 2006 using 192 weanling pigs (average age 22 days). An antibiotic growth promoter was compared with Biomin P.E.P. 125 fed to nursery pigs. The study showed that Biomin P.E.P. 125 led to higher performance of piglets and improved FCR.


During a trial at Kasetsart Univesity, Thailand (2006), Biomin P.E.P. 125 poultry was compared with the antibiotic growth promoter Flavomycin, 5 g/t, in 1,800 Ross broilers one day of age. The study revealed that Biomin P.E.P. 125 poultry led to better FCR than an antibiotic growth promoter (Flavomycin).


In 2003, Biomin P.E.P. was investigated in a 60,000-broiler flock in Turkey. The trial lasted 42 days and the animals were split into two treatments: 1) Avilamycin (10 ppm) and 2) Biomin P.E.P. 1000 (1 kg/t). The trial showed that Biomin P.E.P. led to increased final weight of the animals as well as better FCR and calculated European Efficiency Factor compared with the antibiotic growth promoter group.


To summarise the conclusion from the trials, Biomin P.E.P. helps to save valuable energy and feed costs.


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Article made possible through the contribution of Biomin.

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