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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.

Correlation between body condition score with estrus and reproductive performance in dairy cow post ovary hypofunction Adyatama, Aqil; Muktiani, Anis; Samsudewa, Daud
Livestock and Animal Research Vol 22, No 1 (2024): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/lar.v22i1.72066

Objective: The objective of this research is to determine the relationship between body condition score (BCS) with estrus performance and reproductive performance in dairy cow post ovary hypofunction.Methods: Observational method by collecting primary and secondary data were used in this research. Primary data includes BCS and estrus performance. Secondary data includes reproductive performance. Purposive sampling method with criteria minimum parity 1 were used. Correlation and simple linear regression were used to analyze the data.Results: The results showed moderate correlation coefficient and regression equation of BCS with redness of vulva (0.531 and Y = 1.389+0.958 X), behavior changing (0.597 and Y = 0.75+0.896 X), mucus cervix intensity (0.503 and Y = 0.889+1.583 X), uterine erection (0.597 and Y = 1.500+1.792 X), service per conception (0.459 and Y = 4.33–1.09 X), estrus post-partum (0.594 and Y= 202.3–38.831 X) and days open (0.498 and Y= 217.271–40.832 X).Conclusions: The conclusion of this research is dairy cow with minimum BCS 3 is needed during mating post ovary hypofunction.

The intensity of the magnetic field on different sex of fetus and accuracy of sex detection using gold ring pendulum Anwar, Mawakia; Samsudewa, Daud; Muhlisin, Zainul; Endrosuseno, Jatmiko
Livestock and Animal Research Vol 21, No 1 (2023): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/lar.v21i1.59727

Objective: This research aims to measure the intensity of magnetic field of different sex of fetuses and the accuracy of pendulum method for the sex detection of cow fetuses.Methods: Twenty-six Madura cows with gestational age of more than 4 months were used in this research. This research is composed of three steps : 1). Measuring the intensity of the magnetic field on the fetus using an Electromagnetic Field Meter (EMF) type 827 which is affixed to the right side of the abdomen 2). Observe the pattern of the gold ring pendulum used for sex detection of cow fetus 3). Measure the accuracy of the pendulum ring gold method. The data were analyzed using descriptive analysis.Results: The result of this research showed that the intensity of the magnetic field of a male fetus is 0.04 µT for a head, 0.07 µT for back, 0.05 µT for abdomen and 0.03 µT for tail. Magnetic field of a female fetus is 0.03 µT for head, 0.05 µT for back, 0.035 µT for abdomen and 0.01 µT for tail. The gold ring pendulum is a unidirectional pattern for detection male sex showed the accuracy of 91.67% and a rotating pattern for female fetuses showed accuracy of 85.71%. The average accuracy of detection using the gold ring pendulum is 88.46%.Conclusions: The conclusion of this research is male fetuses have a magnetic field higher than male fetus.

Effect of velvet Timor deer (Rusa timorensis) supplementation to fertility status of male Wistar rats (Rattus norvegicus) Kartika, Nur Hafidzah Devi; Samsudewa, Daud; Prasetya, Nor Basid Adiwibawa
Livestock and Animal Research Vol 22, No 2 (2024): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/lar.v22i2.73211

Objective: To determine the increase in calcium (Ca) and zinc (Zn) content in Timor deer blood before and after velvet powder supplementation. This study also investigates the effect of velvet powder supplementation on male rats’ fertility status.Methods: This study employed twenty males Wistar rats weighing 200 – 250 g and aged 90 days. The sample was divided into four groups: the control group (T0), the25 mg kg-1 WB-1 velvet powder (T1), the 50 mg kg-1 WB-1 velvet powder (T2) and the 100 mg kg-1 WB-1 velvet powder (T3). Ca and Zn concentrations in rat blood were determined using an atomic absorption spectrophotometer (AAS) in the Feed Nutrition Laboratory at Universitas Diponegoro. The fertility status (sperm motility, mortality and abnormality) of male rat sperm was studied. In this study, statistical analysis was performed using analysis of variance (ANOVA). Results: The results revealed a significant difference P<0.05 ANOVA which was shown in blood Ca and Zn parameters before and after treatment, motility, sperm death and sperm abnormality in the rats.Conslusions: In conclusion, supplementation with 100 mg kg-1 WB-1 Timor deer velvet powder will improve the fertility status of male rats.

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