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Appearances of Local Prolific Ewes in Semarang Regency Central Java Indonesia Setiatin, Enny Tantini; Sutiyono, Sutiyono; Samsudewa, Daud; Sutopo, Sutopo; Ondho, Yon Soepri
ANIMAL PRODUCTION Vol. 23 No. 2 (2021)
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.2021.23.2.10

The present study examined the quantitative and qualitative physical parameters of prolific local ewes in Bawen and Jambu districts, Central Java. We used purposive sampling to select and categorized 132 local, three-lambing ewes into three groups based on their prolific capacity: 66 single, 49 twins and 17 triplets. The data were subjected to analysis of variance using Chi-Square. The result showed that many quantitative properties of prolific ewes resembled those of fat-tailed sheep: thin tail, highly significant (P<0.01) compared to fat tails; straight face, highly significant (P<0.01); and fewer convex face and short body, significant (P<0.05) with a tall body in the non-prolific ewes. Few prolific ewes had big ears and black-white wool and significantly different (P<0.05) from the non-prolific ewes. Conclusively, local prolific ewes had a qualitative appearance more closely related to that of thin-tailed ewes, but greater quantitative performances than the non-prolific ewes.

Correlation Between Body Condition Score with Reproductive Disorders, Reproductive Performance, and Estrus Performance in Beef Cattle Afif, Mohammad Faiq Naufal; Samsudewa, Daud; Muktiani, Anis
ANIMAL PRODUCTION Vol. 25 No. 3 (2023)
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.2023.25.3.211

ABSTRACT. The aim of the study is to determine the relationship between body condition score with reproductive disorders, reproductive performance and estrus performance in beef cattle. Sixty beef cattle were used in this research. Body condition score (BCS), reproductive disorders, reproductive performance and estrus performance were measured in this research. Data were analyzed using correlation and simple linear regression. The results in this research showed that the relationship between BCS and reproductive disorders, condition of vulva, behavior, intensity of mucus and uterine erection had no significant effect (p 0.05) with the value of the regression equation and the correlation coefficient respectively Y = 4,964 - 0,57X and 0,12; Y = 2.235 + 0.14X and 0.26; Y = 1.788 + 0.89X and 0.153; Y = 2.343 - 0.12X and 0.23; Y = 1.352 + 0.1X and 0.198. BCS with Service per conception, Days open, Conception rate and Estrus post partum showed significant results (P 0.05) with the value of the regression equation and the correlation coefficient Y=2.266-0.201X and 0.35; Y = 107.35-3.56X and 0.33 and Y = 96.923-4.385X and 0.499; Y = 87,891 - 4,189X and 0,508. The conclusion of this study is that Body condition score has a significant effect on Service per conception, Days open, Conception rate and Estrus post partum.

HUBUNGAN SIFAT KUANTITATIF DAN REPRODUKSI SAPI PERANAKAN ONGOLE DI KABUPATEN REMBANG Indahwati, Ahyuni; Kurnianto, Edy; Setiatin , Enny Tantini; Samsudewa, Daud
Jurnal Sain Peternakan Indonesia Vol 19 No 4 (2024)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jspi.id.19.4.227-233

This study aimed to analyze the relationship between quantitative traits and reproduction traits of Ongole grade cows in Rembang Regency. This study was done from May to July 2022. The number of samples used was 224 Ongole grade cows that have given birth at least once. Quantitative traits were obtained by measuring body condition scores (BCS), body length (BL), body height (BH) and chest circumference (CC). The class was based on Indonesian National Standards for Ongole grade cow breeding cattle in 2015 (Class I, II, III and Non-Class). The BCS used is the American system for beef cattle (score 1 to 9). The BL and BH were measured with a measurement stick. The CC was measured using the weight body Round-O (WB Round-O). The reproductive traits measured included service per conception (S/C), calving interval (CI), days open (DO) and estrus postpartum (EPP), which were obtained by observing cattle and interviewing breeders and inseminators. The analysis used was descriptive statistical analysis with averages and percentages and non-parametric analysis of Spearman’s correlation test. This research concludes a significant relationship between quantitative traits and S/C with a very weak negative direction and strength of the relationship.

Meta-Analysis of the Effects of Rumen Protected Choline Supplementation on Milk Production and Reproduction in Dairy Cows Prihantro, Yusuf Wili; Hartanto, Rudy; Samsudewa, Daud
ANIMAL PRODUCTION Vol. 27 No. 1 (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.2025.27.1.277

This study seeks to comprehensively assess the impact of Rumen Protected Choline (RPC) supplementation on key parameters in dairy cows, including dry matter intake, milk yield, milk fat and protein composition, first estrus, open days, and Service per Conception (S/C). This research utilizes a quantitative meta-analysis methodology to systematically evaluate and synthesize data. The treatment used is supplementation Rumen Protected Choline and the basal diet for control. Observed parameters include dry matter intake (DMI), milk yield (MY), milk fat content (MFC), milk protein content (MPC), service per conception (S/C), first estrus (FE), and open days (OD). The study went through five stages, namely database preparation, meta-analysis implementation, heterogeneity testing, summary effect testing, and publication bias measurement. Tools used include PDF software for filtering journals and data processing applications such as Microsoft Excel, OpenMEE Software, and Review Manager 5.4 for data interpretation. Based on the results of the meta-analysis, it is found that RPC supplementation significantly affects (p<0.05) the increase in milk production, milk protein content, and milk fat content. It is also capable of reducing S/C and open days, but it does not affect dry matter intake and first estrus. The findings of this study, derived from a meta-analysis, indicate that while RPC supplementation has no impact on feed intake, it significantly influences reproductive parameters.

EFFECTS OF ZINC SUPPLEMENTATION ON REPRODUCTIVE PERFORMANCE IN CATTLE: A REVIEW Akil, Syahrir; Damayanti, Erni; Samsudewa, Daud; Hapila, Ashariah; Iskandar, Hikmayani
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 12 No. 1 (2025)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2025.11335

Zinc is a vital micronutrient involved in various reproductive processes in cattle. This review aims to evaluate the effects of zinc supplementation on cattle reproductive performance by analyzing research articles sourced from Scopus and PubMed databases. Findings indicate that zinc supplementation, provided in either organic or inorganic forms, positively influences reproductive parameters. In bulls, zinc enhances sperm motility, viability, and ejaculate volume. In female cattle, supplementation modulates endocrine hormone levels during both pre-calving and post-calving periods. Moreover, appropriate zinc dosages and supplementation durations contribute to improved reproductive efficiency in cows. These results support the conclusion that zinc supplementation is effective in enhancing reproductive performance in cattle.

EFFECTS OF ZINC SUPPLEMENTATION ON REPRODUCTIVE PERFORMANCE IN CATTLE: A REVIEW Akil, Syahrir; Damayanti, Erni; Samsudewa, Daud; Hapila, Ashariah; Iskandar, Hikmayani
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 12 No. 1 (2025)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2025.11335

Zinc is a vital micronutrient involved in various reproductive processes in cattle. This review aims to evaluate the effects of zinc supplementation on cattle reproductive performance by analyzing research articles sourced from Scopus and PubMed databases. Findings indicate that zinc supplementation, provided in either organic or inorganic forms, positively influences reproductive parameters. In bulls, zinc enhances sperm motility, viability, and ejaculate volume. In female cattle, supplementation modulates endocrine hormone levels during both pre-calving and post-calving periods. Moreover, appropriate zinc dosages and supplementation durations contribute to improved reproductive efficiency in cows. These results support the conclusion that zinc supplementation is effective in enhancing reproductive performance in cattle.

The Effect of Young Timor Deer (Rusa timorensis) Hornbill Flour Supplementation on the Testicular Size of Male Wistar Rats (Rattus norvegicus) Kartika, Nur Hafidzah Devi; Samsudewa, Daud; Prasetya, Nor Basid Adiwibawa; Nandhirabrata, Raditya
Bantara Journal of Animal Science Vol. 7 No. 2 (2025): BJAS
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/bjas.v7i2.7226

The processing of young deer antlers exemplifies the use of deer as wildlife, guided by the principle of continuity and without harming them. The purpose of this study was to determine the effect of young Timor deer antler meal and to determine the impact of its supplementation on the size of the testes of male Wistar rats. Twenty male Wistar rats with a body weight of 200–250 g and an age of 90 days were used. The samples were divided into four groups: a control group and three treatment groups of young Timor deer antler meal at doses of 25 mg kg-1 BW-1, 50 mg kg-1 BW-1, and 100 mg kg-1 BW-1. Ca and Zn measurements were carried out using an atomic absorption spectrophotometer at the Feed Nutrition Laboratory of Diponegoro University. The size of the left and right testes (length, width, diameter, and weight) was analyzed using Analysis of Variance, and Duncan's Multiple-Range Test was used for testis weight. Data on Ca and Zn content were analyzed descriptively. Therefore, it can be concluded that supplementation with young Timor deer antler flour affected testicular weight, but not testicular length, width, and diameter. The results showed a significant difference (P<0.05) in testicular weight parameters, and testicular length, width, and diameter were not significantly different. Therefore, it can be concluded that supplementation with young Timor deer antler flour affected testicular weight, but not testicular length, width, and diameter.

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