Benefits using sweet chestnut tannin in dairy cow nutrition

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Benefits usingsweet chestnut tannin in dairy cow
nutrition
International Dairy Workshop Exhibition, Izmir,
Turkey, April 28-29th, 2008
Andrej LAVRENCIC, PhD University of
Ljubljana Dep. Animal Science Slovenia
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• In reticulo-rumen
• Formation of insoluble complexes between
  proteins and tannins
• Partial inactivation of microorganisms
• Partial inactivation of enzymes

In abomasum and small intestine 1.
Disintegration of insoluble complexes between
proteins and tannins 2. Release of proteins and
gallic acid
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Tannin-protein complexes (effect of pH)
Jones and Mangan, 1977
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Effect of tannins on the production of ammonia
and degradability of dry substance in vitro
(regression coefficients of equation a bx)
Chestnut extract Ammonia a 65,25 b -5,14 IVDMD
eg a 70,59 b -3,17 IVDMDig a 88,53 b -0,46
Gonzalez in sod., 2002
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Effect of chestnut tannins on in vitro gas
production and methanogenesis from starch
Chestnut extract (mg/ml) 0 0.33 0.67 1.33
Total potential gas production (ml) 528a 505b 511b
508b Maximum fermentation rate
(ml/h) 50.6a 42.1b 58.0a 43.8b Time of
maximum fermentation rate (h) 8.9a 13.8b 8.9a 10.0
ab Methane (ml/g DM) 18.9a 18.7a 16.6b 13.5c Meta
n (vol ) 4.8a 4.7b 4.5c 4.2d
Sivka and Lavrencic, 2007
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Effective degradability of N (r 0,05) of ground
(G) and pelleted (P) soybean meal crude protein
treated with chestnut tannins
Lavrencic et al., 2001
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Evolution of in vitro ammonia concentration
(mmol/l)
Sliwinski et al., 2001
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Daily evolution of pH value feeding at 800 AM
Northwest Engineering
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Effect of chestnut tannins on milk yield
(Errante et al., 1998)
Tmax 28C Tmin 17,5C
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Effect of chestnut tannins on milk protein
contents(Orenik, 1996)
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Effect of chestnut tannins on milk production and
composition

• Control Chestnut Control Chestnut
• tannin tannin
• Milk production (kg) 23.5 23.8 19.0 19.5
• Protein content () 3.26 3.25 3.37 3.49
• Urea content (mg/l) 239 219 489 457

Lavrencic and Suhovernik, 2006
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Effect of FARMATAN on early weaned calves
Number of animals 62 early weaned Brown-swiss
bulls (31 in control and 31 in trial
group) Duration of trial 3 months Farmantan 5
kg/t compound feed (prestarter, starter)
Farmatan with 55 of active substance
Source M. truklec, A. Orenik, Biotechnical
Faculty, Ljubljana, Slovenia, 1997
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Nitrogen fractions () in grass silages prepared
with chestnut tannins
a
a
ab
b
a
b
c
c
Lavrencic and Levart, 2006
a
b
c
c
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Contents of volatile fatty acids (g/kg DM) in
grass silages prepared with different amounts of
chestnut extract
Chestnut tannin (g/kg fresh
grass) 0 3 15 30 Lactic acid 101,1a 95,8a 80,6b
80,9b Acetic acid 17,9 15,8 11,6 16,8 Propionic
acid 0,09 0,08 0,09 0,08 Butyric
acid 1,31 1,21 0,16 0,09 pH 3,85ab 3,78b 3,84ab 3
,92a
Lavrencic and Levart, 2006
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Important advantages in ruminants nutrition

• chestnut tannins
• - improve milk persistence (increase milk yield)
• - increase milk protein yield
• - lower the milk urea concentration
• - improve silage fermentation process and
  increase protein
• utilization from silage
• - lower the incidence of gastrointestinal and
  digestive disorders

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RECOMMENDATIONS FOR THE USE OF FARMATAN IN
RUMINANT NUTRITION
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NEW PRODUCT

• SODIUM ACETATE
• - Tryhidrate (existing form)
• - Anhydride ( available in OCT 2008)
• Activity
• - better feed taste
• - higher milk fat yield