EFFECT OF SELENOPROTEINATE ON COLOSTRUMS PRODUCTION AND HVIMUNE RESPONSE OF LACTATING DAIRY COWS UNDER DIFFERENT DIETARY REGHVIES



Caribu Hadi Prayitno(1*), T. Sutardi(2)

(1) Animal Nutrition Dept. of Animal Science, Bogor Agricultural University (IPB), Indonesia
(2) Animal Nutrition Dept. of Animal Science, Bogor Agricultural University (IPB), Indonesia
(*) Corresponding Author

Abstract


Dairying is impeded by feed shortage due to the decline in agricultural land and
lack of immune response associated with mineral deficiencies. This experiment is
designed to test the efiicacy of selenoproteinate in promoting colostrums and
immune response under five dietary regimes. Diet K was a control containing 65%
TDN and 13% CP, A = K + 2.5 mgkg‘ selenoproteinate (0.3 ppm), B : improved
diet containing 67% TDN, 14.5% CP and 3% hydrolyzed poultry feather, C = B +
0.7% urea, and D = C + 10 gkg" Zn-lysinate. All diets supplemented with
selenoproteinate yielded more colostrums and resulted in significant changes in the
parameter related to metabolism and immune response. Blood triiodothyronine
increased from 0.42 to 1.05 nM, suggesting an improvement in metabolic rate that
might lead to the increase in protein synthesis, including those related to immunity.
This is apparent from the increase in blood IgG from 1.433 to 2.871 tmits Elisa and
colostrums globulin from 236.67 to 326.76 gday“. lt is apparent from this
experiment that selenoproteinate could be used as an effective supplement in
promoting immune response.


Keywords


Selenoproeteinate, Cattle, Somatic cell count, Triiodothyronine, Immunoglobulins

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