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Effect of Vitamin A and Magnesium Supplementation on Consumption and Digestibility of Dry Matter and Organic Matter in Lamb Jalalludin, Jalalludin; Suryapratama, Wardhana; Prayitno, Caribu Hadi
Jurnal Sain Peternakan Indonesia Vol 20 No 1 (2025)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jspi.id.20.1.29-33

Abstract

A study to determine the effect of vitamin A and magnesium supplementation on Dry Matter Digestibility (DMD) and Organic Matter Digestibility (OMD) in lamb. The research was conducted experimentally using a Randomized Completely Block Design (RCBD) using 18 rams local aged 7 - 8 months with an average initial body weight of 20 kg ± 2.38 kg.   The feed was given at 4% Dry Matter (DM) of body weight with a ratio of ammoniated rice straw and concentrate of 25%:75%.  The treatments tested were T0 (control), T1 (25% ammoniated rice straw, 75% concentrate, plus 2000 IU of vitamin A), and T2 (25% ammoniated rice straw, 75% concentrate, plus 2000 IU of vitamin A, plus 1 gram of magnesium).  The results of the variance of the analysis showed that the treatment of vitamin A and Magnesium administration had a real effect (p<0.05) on the digestibility of organic matter, while other variables were not accurate. The average digestibility of organic matter was T0 at 91.49%, T1 at 91.19%, and T2 at 92.24%. T2 was the treatment with the highest digestibility, with a difference of 2.75% from the control treatment. After the Randomized Completely Block Design (RCBD) and Variance of Analysis test, the next test used Honestly Significant Difference (HSD). Vitamin A and Magnesium supplementation affected the digestibility of organic matter by 2.75% higher than the control treatment.
Energy Utilization and Performance of Madura Cattle Fed with Two Kinds of Rice Straw Processing and Concentrate Supplemented Teak Leaf Flour (Tectona grandiss) Kasihandari, Yut Afiffah; Bata, Muhamad; rahayu, Sri; Rimbawanto, Efka Aris; Prayitno, Caribu Hadi
ANIMAL PRODUCTION Vol. 27 No. 2 (2025)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with the Animal Scientist Society of Indonesia (ISPI) and the Indonesian Association of Nutrition and Feed Science (AINI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap.2025.27.2.314

Abstract

This study aims to investigate the effect of the interaction between the type of rice straw processing and the concentration of teak leaf flour supplementation on energy intake and performance of Madura cattle. A total of 18 Madura cattle with an average weight of 246.5 ± 10.29 kg were placed in individual pens and randomly assigned to either ammoniated or non-ammoniated rice straw processing and concentrate with different supplementations of teak leaf flour (TLF): 0% (T1), 0.21% (T2), and 0.42% (T3) of dry matter. This study used a completely randomized design with a 2 x 3 factorial and Tukey's range test or orthogonal polynomials. The observed variables were dry matter intake (DMI), energy intake (EI), digested energy (DE), retained energy (RE), RE:EI efficiency, RE:DE efficiency, average daily gain (ADG), feed conversion (FC), and slaughter weight. The results showed no interaction between the type of rice straw and the concentration of TLF on all variables (p > 0.05). The type of rice straw processing did not significantly affect all variables (p > 0.05). TLF supplementation had a quadratic effect on EI, DMI, and slaughter weight. Madura cattle fattening fed with either ammoniated or non-ammoniated rice straw combined with concentrate supplemented with TLF resulted in an increase in feed intake and final body weight.
Effects of Seaweed and Organic Mineral Supplementation on Nutrient Digestibility and Milk Yield in Lactating Saanen Crossbred Goats Prayitno, Caribu Hadi; Sarwanto, Doso; Setiadi, Deni
Buletin Peternakan Vol 49, No 3 (2025): BULETIN PETERNAKAN VOL. 49 (3) August 2025
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v49i3.107899

Abstract

Dairy goat productivity in Indonesia remains relatively low, primarily due to its suboptimal feed efficiency, affecting nutrient digestibility and milk yield. This study aimed to evaluate the effects of seaweed and organic mineral supplementation on feed intake, nutrient digestibility, and milk production performance in dairy goats. An in vivo experimental study was conducted using a completely randomized design involving 16 pregnant Saanen-Etawah crossbred ewes in their second lactation and offered treatment feeds for 4 weeks before parturition until 8 weeks postpartum. The animals divided into four dietary treatments: T0 (control diet without supplementation), T1 (control diet + rumensin), T2 (control diet + 2% seaweed), and T3 (T2 + organic minerals including Cr, Se, and Zn) with the feed offered was based on dry matter requirements of 4% of body weight, once daily at 1.30 p.m. The control diet is a mixture of concentrate, tofu dregs, and forage. The observed parameters included dry matter intake (DMI), organic matter intake (OMI), digestibility of dry matter, organic matter, crude fiber, and crude protein, as well as daily milk yield and its components. The results indicated that while feed intake did not differ significantly among treatments, the supplementation of seaweed and organic minerals significantly improved nutrient digestibility, daily milk yield, and the composition of milk, including fat, protein, lactose, and total solids. The T3 treatment yielded the most optimal outcomes in enhancing feed conversion efficiency and milk performance. These results suggest that seaweed and organic minerals may serve as effective and applicable functional feed additives to sustainably improve dairy goat productivity through optimized rumen function and metabolic utilization.