β-glucan containing feed

2020.10.10

β-Glucan activates macrophages, promotes secretion of many beneficial cytokines, and protects host animals and fish from infection by immune activation. Our feed β-glucan is a fermented, purified, spray-dried (1-3)- β-D-glucan from a strain of Rhizobium species.

Results of adding 0.2% of BetaMax (b-glucan) to flatfish diet

Test animal : flatfish (Paralichyhus olivaceus) fry

	control	BetaMax
Initial weight (g)	703	697
Final weight (g)	851	894
WG (%)	21.1	28.3
SGR (%)	0.32	0.42
PER	1.10	1.47
FE(%)	53.2	66.6
Crude protein (%)	19.4	20.0
Crude fat (%)	9.32	5.45
ash (%)	3.41	3.14

* SGR（Specific growth rate） (%/d) : (loge final weight – loge initial weight)/ d
* PER（protein efficiency ratio） : (wet weight gain / protein intake)
* FE（feed efficiency）(%) : (wet weight gain / dry feed intake) × 100

flatfish blood test results

	diets
	control	BetaMax
Hemoglobin (g/dL)	10.6	13.4
Hematocrit (%)	18.7	22.0
RBC ( ×10⁶cell/ul)	2.97	3.30
Serum GOT (IU/L)	18.2	15.0
Serum GPT (IU/L)	7.4	6.0
Osmolality (mOsm/kg)	462	400

Results

Improvement of liver function (higher Hematocrit and low GOTlevel)

It shows a higher stress at control group.
BetaMax group shows relief from the stress.

Cumulative mortality of Flatfish fry

Efficacy of BetaMax

Increase of feed intake, growth and feed efficiency – economic advantage
Increase of non-specific immune reaction – decrease in antibiotic use
Improvement of meat texture – protein accumulation and fat reduction
Reduction of stress and enhancement of bioactivity – lower GOT level

product specification

	all animals
product name	Betacan (Beta glucan powder)
Appearance	Light yellow powder
β-glucan	> 85.0%
Moisture	< 10.0%
Escherichia	negative
coli/Coliforms	negative
heavy metal	< 10 ppm
pH	4.0 – 7.5
dosage	piglet: 1-2kg / MT feed sow, fish: 0.5kg / MT feed chicken: 50g / MT feed
package	5 kg/bag

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