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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) JITRO (Jurnal Ilmiah dan Teknologi Peternakan Tropis) Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Journal of Tropical Biodiversity
Sri Darwati
Department Production Science And Technology, Animal Husbandry Faculty, IPB University, West Java, Indonesia.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology Veterinary Other

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Pertumbuhan Bulu Ayam Hasil Persilangan Sentul dengan Onagadori dan Resiprokal Umur 1 sampai 12 Minggu Achmad Gitaraka Archimilar; Sri Darwati; Cece Sumantri
Jurnal Ilmu dan Teknologi Peternakan Tropis Vol 6, No 1 (2019): JITRO, Januari
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.739 KB) | DOI: 10.33772/jitro.v6i1.5574

Abstract

ABSTRAKAyam tidak hanya sebagai komoditi pangan, namun juga hias. Salah satu ayam hias yang unik dan banyak menarik minat pecinta ayam hias adalah ayam ekor panjang atau onagadori. Salah satu jenis asli ayam lokal Indonesia adalah ayam sentul. Ayam sentul adalah ayam asli dari daerah Ciamis, Jawa Barat. Persilangan onagadori dengan sentul dan resiprokalnya diharapkan memiliki bulu yang panjang di bagian tubuhnya dengan perpaduan warna bulu abu-abu akibat adanya kombinasi warna dari kedua tetua dengan performa tubuh yang gagah dan indah. Parameter yang diukur dalam penelitian ini adalah pertumbuhan bulu sayap, pinggang, dan ekor pada umur 1-12 minggu. Pada penelitian ini digunakan rancangan acak kelompok untuk menganalisa data. Hasil penelitian menunjukan bahwa panjang  bulu sayap SO jantan 7,93±0,63 cm, SO betina 7,96±0,79 cm dan  OS jantan  6,39±0,66 cm, OS betina 6,29±0,91 cm. Hasil pengukuran bulu pinggang SO jantan 6.80±0.10 cm, SO betina 6,81±0,10 cm dan OS jantan 2,59±0,86 cm, OS betina 2,50±0,98 cm. Panjang bulu ekor SO jantan 10,71±0,10 cm, SO betina 10,78±0,10 cm dan OS jantan 7,31±0,10 cm, OS betina 7,29±0,12 cm. Karakteristik kualitatif ayam hasil persilangan onagadori dengan sentul pada warna bulu jantan cenderung lebih dominan 1 warna sedangkan yang betina 2 warna. Warna shank yang dihasilkan dari persilangan ini adalah abu dan putih lebih banyak dibandingkan hijau. Bentuk jengger hasil persilangan ini bentuk jengger pea lebih banyak daripada bentuk jengger single dan cushion. Ayam hasil persilangan SO memiliki pertambahan pertumbuhan bulu sayap, pinggang, dan ekor lebih cepat dan panjang dari OS.Kata kunci: onagadori, pertumbuhan bulu, resiprokal, sentulABSTRACTChicken is not only a food commodity, but also ornamental. One of the unique ornamental chickens that attracts many ornamental chicken lovers is the long-tailed chicken or onagadori. One native of Indonesian local chicken is sentul chicken from the Ciamis area, West Java. The crossing of cock onagadori with hen sentul (Onagadori-Sentul/OS) and its reciprocal cock sentul with hen onagadori (Sentul-Onagadori/SO) is expected to have long feather tail, and on its body with a combination of gray feather due to the combination of colors from the two parents with a good performance.. Parameters measured in this study were the growth of wing, saddle, and tail feathers at 1-12 weeks. A randomized block design is used to analyze this data.  The measurement of the males 6.80±0.08 cm, SO females 6.81±0.08 cm, and OS males 2.59±0.86 cm, Females OS 2.50±0.98 cm. Result of SO tail tailed data 10.71±0.10 cm, SO females 10.78±0.10 cm and OS males 7.31±0.10 cm Females OS 7.29±0.12 cm. Chicken offspring from SO crossbreed has better feather growth than onagadori. While the offspring from OS crossbreed has better feather growth than sentul chicken. Characteristics of qualitative chicken onagadori crosses with sentul on the color of male feathers tend to be more dominant one color while the female two colors. The shank color resulting from this cross color of the ash and white shank is more dominant than green. The pea comb form produced from this cross is more dominant than the single and cushion comb. The SO cross breed chikens have faster feather growth of wing, saddle, and tail than OS chikens.Key words: feathers growth, onagadori,  reciprocal, sentul
Penilaian Kandang Sehat dan Produktif Domba di Desa/Kelurahan Lingkar Kampus Institut Pertanian Bogor, Darmaga Rahmat Hidayat; Kukuh Santoso; . Suryahadi; Sri Darwati; Agik Suprayogi; . Prastowo
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 1 No. 1 (2015): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.1.1.20-27

Abstract

Institute for Research and Community Service Bogor Agricultural University (LPPM IPB) has excellent performance in community service activities (PPM). LPPM IPB since 2009 has conducted various community service activities in rural and urban campus area around of Campus. One of the activities is related with sheep and supporting activities. This assessment activity has two (2) purposes: first, to measure the knowledge of farmers in the application of science and technology especially cage and cultivation that has been given, and the second one, to give appreciation for the achievements of farmers in the management of sheep, especially for the category of healthy and productive cage. This activity was carried out by field visits and interviews using a special form of assessment. 17 breeders were determined based on nonprobability purposive sampling method. The highest value obtained Nurpandi farmer from the Village Sukawening got 920.9 points, while the lowest value obtained Sahedi farmer from the Village Purwasari got 308.3 points. Conclusions from the results obtained showed mostly cage sheep (52.94%) have not yet reached the category of healthy and productive cage (final value of less than 800 points). 
Identification of Polymorphism Growth Hormone Gene in Local Chickens Resulting from Three Breed Crosses Harini Nurcahya; Sri Darwati; Isyana Khaerunnisa; Ida Wiryanti
Journal of Tropical Biodiversity Vol 1 No 2 (2021): April 2021
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (427.176 KB)

Abstract

Local chicken has an important role as a source of animal protein producing eggs and meat. Local chicken has the advantage of being able to adapt to hot weather and be more resistant to disease. However, there are still weaknesses, namely relatively slow growth and relatively low egg production. Therefore, one way to overcome these weaknesses is by holding selection and crossing. Local chickens used for crossing in this study were sentul, kampung and kedu chicken. In connection with the growth of chickens that are slow and low in productivity of local chickens, it is necessary to examine the factors that influence growth and productivity. The hormones that have an effect on growth are GH (Growth Hormone), so that the characteristics of the gene of growth in local chickens from the cross can be known.The purpose of this study was to detect the characteristics of the Growth Hormone gene in local chickens resulting from Three Breed Crosses . The research material used in this study was forty local chickens produced by cross-sentul, kampung and kedu chicken. To find out GH gene polymorphism is by PCR-RFLP with cutting enzyme EcoRV.The results of the GH gene study in sentul, kampung and keducrossed chickens are polymorphic and are in the Hardy-Weinberg equilibrium state. Kampung chicken cross population was polymorphic for GH|EcoRV loci and the GG genotype was predominant in this population. G allele frequency in kampung,kedu and sentul chicken cross population is higher than the A allele. The highest genetic diversity was observed at kampung,kedu and sentul chicken cross and the heterozygosity value was lowcategory.
Productivity of IPB-D2 and IPB-D3 Chickens with Repeatability of Newcastle Disease Antibody Titer Ratnawati, Diana; Sri Darwati; Murtini, Sri; Sumantri, Cece
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 1 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.1.140

Abstract

ND virus causes mortality in poultry. Passively acquired maternal antibodies inhibit immunoglobulin formation. Repeatability is a genetic parameter that determines the inheritance of traits from elders to chicks. IPB-D2 chickens were selected for disease resistance, and IPB-D3 chickens were selected for weight gain. This study aimed to evaluate the productivity of IPB-D2 and IPB-D3 chickens and assess the inheritance of Newcastle Disease (ND) antibody traits in 36 IPB-D3 and 21 IPB-D2 chickens. The T-test was used to compare the group means of the two chicken breeds. Antibody titer measurements were based on the Geometric Mean Titer (GMT). Estimation of ND titer repeatability using within-class correlation. Fertility and hatchability differed significantly (p < 0.05). ND titer of IPB-D2 chicken and IPB-D3 chicken DOC LOG 2 GMT 1.61 ± 1.10 and 1.34 ± 0.95. The antibody titer of IPB-D2 and IPB-D3 chickens at 14 days of age was 1.02 ± 1.20 and 1.37 ± 0.95. The ND titer value in the egg yolk of IPB-D2 chicken was 4.02 ± 1.94, and in IPB-D3 chicken was 3.64 ± 2.54. The results showed the repeatability value of l antibodies in IPB D-2 chickens and IPB D-3 chickens in DOC 0.49±0.30, 0.42±0.33 and 0.39±0.28; 0.25±0.15, respectively. Fertility and hatchability of IPB-D3 chickens were better than those of IPB-D2 chickens. The yolk ND titer of IPB-D2 chickens was higher than IPB- D3 chicken. The ND titer reciprocity of IPB-D2 chickens was higher than that of the IPB-D3 chickens. Keywords: IPB-D2 Chicken, IPB-D3 Chicken, Newcastle Disease, productivity, repeatability
Determination of the New SNP g.939A>G of the TYR Gene in Abnormal Coat Color in Bali Cattle Kholijah; Mokhmad Fakhrul Ulum; Sri Darwati; Ronny Rachman Noor; Jakaria
Jurnal Ilmu-Ilmu Peternakan Vol. 34 No. 1 (2024): April 2024
Publisher : Faculty of Animal Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiip.2024.034.01.05

Abstract

This study aimed to assess the presence of single nucleotide polymorphisms (SNPs) in the exon 1 region of the tyrosinase (TYR) gene in Bali cattle with abnormal coat color. This study analyzed 43 Bali cattle, 26 individuals with typical or standard coat color, and 17 individuals with albinism. The genetic diversity of the TYR gene was determined via direct sequencing and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) techniques. The sequence data of the TYR gene were scrutinized using BioEdit and MEGA10 software to detect single nucleotide polymorphisms (SNPs) related to different types of coat color features in Bali cattle. The genetic diversity information was derived from computations performed using PopGen 1.32 software. The results showed that exon 1 of the TYR gene was affected by the new SNP g.939A>G, which is polymorphic in Bali cattle. In conclusion, the SNP c.939A>G can be further analyzed for use as a candidate-assisted selection (MAS) for abnormal coat color in Bali cattle.
External Quality Of Merawangarab Chicken Eggs With Different Genetic Composition Rafif Nurwansyah; Harini Nurcahya; Ikhsan Matodang; Sri Darwati
Journal of Tropical Biodiversity Vol 6 No 1 (2025): December 2025
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v6i1.329

Abstract

Eggs, as a food ingredient, possess complete nutritional value that is beneficial for human health, are readily available, affordable, and popular with the public. Likewise, hatching eggs provide the nutrients needed for the development of chicken embryos. Therefore, eggs for consumption as food and hatching eggs. The external quality of eggs is one indicator of egg quality. Merawang chickens and arab chickens are local Indonesian chickens. Crossbreeding of the two chickens is expected to produce superior offspring in production and egg quality. This study aimed to evaluate the external quality of merawangarab crossbred chicken eggs with different merawangarab genetic compositions (M), namely 25% M, 50% M, 62.5% M, and 75% M with a total of 30 hens. The materials used were eggs from merawangarab crossbred chickens. This study used a randomized block design (RAK) and continued with Tukey's further test. The external quality of eggs observed was shape index, egg weight, shell weight, and shell ratio. Different genetic compositions did not affect the external quality of merawangarab crossbred chicken eggs. Eggs from four crossbred merawangarab chickens were (25% M, 50% M, 62.5% M and 75% M) classified as small
Co-Authors . Prastowo Achmad Gitaraka Archimilar Agik Suprayogi Cece Sumantri Harahap, Ahmad Saleh Harini Nurcahya Harini Nurcahya Mariandayani Ida Wiryanti Ikhsan Matodang Isyana Khaerunnisa Jakaria Jakaria Kholijah Kukuh Santoso Magfira Magfira Mokhmad Fakhrul Ulum Muhammad Alwi Ni Wayan Karniani Karja Niken Ulupi R. Iis Arifiantini Rafif Nurwansyah Rahmat Hidayat Ratnawati, Diana Ronny Rachman Noor sri murtini . Suryahadi (Suryahadi) TIKE SARTIKA