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All Journal Hemera Zoa Media Veteriner Buletin Peternakan Buletin Ilmu Makanan Ternak
D. Sastradipradja
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Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Veterinary Other

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Journal : Hemera Zoa

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The use of strawmix in cattle fattening ration B. Soewardi; D. Sastradipradja; Suryahadi Suryahadi
Hemera Zoa Vol. 74 No. 2 (1991): Jurnal Hemera Zoa
Publisher : Hemera Zoa

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Abstract

Two experiments were carried out to study the use of rice straw as the sole source of roughage in ration for cattle fattening. In each experiment 16 heads of young bulls, Frisian Holstein (FH), and Australian Commercial Cross (ACC). were arranged in completely randomized design with 4 different roughages as treatment criteria: (i) elephant grass as control, (ii) unprocessed rice straw, (iii) urea treated rice straw, (iv) CaO traated rice straw. No significant difference in weight gain among treatments in both experiments exist. In the firrst experiment the average daily gain (ADG) for treatment 1, 2, 3 and 4 was respectivelly 0.75, 0.78, 0.89, and 0.78 kg, while in the second experiment the ADG was respectively 0.51, 0.48, 0.71, and 0.62 kg per head per day. On the average the FH bulls performed superior gain of 0.80 kg/head/day while the ACC is moderate (0.58 kg/had/day). In the first experiment no significant difference in dry matter consumption among treatments obtained. In the second experiment the dry matter consumption of elephant grass was lower compared to strawmix. FH bulls show higher consumption of dry matter (3.1% of live weight), while the value of ACC bulls is only 2.5% live weight.  Feed efficiency is not statistically different among treatment in both experiments, namely 9.1, 8.0, 7.4 and 8.4 kg dry matter/kg ADG in the first experiment, and 13.9, 19.6, 11.8, and 14.8 dry matter/kg ADG in the second experiment. FH bulls show higher efficiency of 8.2% while ACC bulls is only 15.0%.
The effect of bursectomy on the production of serum antibody againts ndvaccine in the indonesian native chickens and white leghorn Hartini Sikar; D. Sastradipradja
Hemera Zoa Vol. 74 No. 2 (1991): Jurnal Hemera Zoa
Publisher : Hemera Zoa

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Abstract

Two groups of chickens were surgically bursectomized at 3 days of age. One week after the operation the experimental chickens were injected i.m. with ND vaccine starin La Sota. The 2nd injection was given 4 weeks after the ist injection. All injected chickens showewd an increase in HI-serum antibody titer. The response to the 2nd injection was higher than the ist The bursectomized animals showed lower HI antibody titer than the non busectomized after the ist injection, but a reverse response was observed after after the 2nd injection. Lymphocyte count showed a similar pattern as the HI antibody titer. Better responses were observed in the Indonesia native chicken compared to the white Leghorn. The increase of the serum globulin levels in both groups after the ist injection, the beta and gamma serum globulin levels in almost all injected chickens were elevated, except fot the bursectomized. White Leghorns, where the gamma globulin fraction was not increases.
Co-Authors B. Soewardi D. A. Astuti D. R. Ekastuti Fauzia Agustin Hartini Sikar J. Jachja S. Partodihardjo Suryahadi (Suryahadi) T. Sutardi