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PENDUGAAN NILAI HERITABILITAS UKURAN TUBUH PADA UMUR SAPIH DAN UMUR SETAHUN SAPI BALI DI BALAI PEMBIBITAN TERNAK UNGGUL SAPI BALI, JEMBRANA, BALI Baiduri, Ahmad Anwar; (Sumadi), Sumadi; Ngadiyono, Nono
Buletin Peternakan Vol 36, No 1 (2012): Buletin Peternakan Vol. 36 (1) Februari 2012
Publisher : Fakultas Peternakan UGM

Tujuan dari penelitian adalah untuk mengetahui nilai heritabilitas ukuran tubuh meliputi panjang badan, tinggi gumba dan lingkar dada pada umur sapih dan umur setahun sapi Bali di Balai Pembibitan Ternak Unggul (BPTU) Sapi Bali, Jembarana, Bali. Data yang digunakan adalah 120 catatan ukuran tubuh sapi Bali pada umur sapih dan umur setahun dari tahun 2006 sampai 2010. Data ukuran tubuh umur sapih dan umur setahun dianalisis untuk mendiskripsikan nilai rata-rata dan standar deviasi. Nilai heritabilitas diduga dengan menggunakan metode korelasi saudara tiri sebapak dengan metode Rancangan Acak Lengkap pola searah. Hasil estimasi tersebut menunjukkan bahwa rata-rata ukuran tubuh panjang badan, tinggi gumba dan lingkar dada pada umur sapih berturut-turut yaitu 94,70±4,42; 98,31±4,34 dan 120,78±7,39 cm serta pada umur setahun yaitu 95,90±4,46; 100,28±4,35 dan 125,45±7,40 cm. Hasil pendugaan nilai heritabilitas dengan menggunakan metode korelasi saudara tiri sebapak untuk ukuran tubuh panjang badan, tinggi gumba dan lingkar dada pada umur sapih berturut-turut adalah 0,92±0,0019; 0,76±0,0014 dan 0,56±0,0013 serta pada umur setahun yaitu 0,85±0,0015; 0,56±0,0010 dan 0,44±0,0009. Hasil dugaan nilai heritabilitas dapat disimpulkan bahwa nilai heritabilitas ukuran tubuh pada umur sapih dan umur setahun di Balai Pembibitan Ternak Unggul Sapi Bali, Jembrana, Bali bernilai tinggi. (Kata kunci: Sapi Bali, Heritabilitas, Panjang badan, Tinggi gumba, Lingkar dada)

Sebaran Populasi Sapi Friesian Holstein di Beberapa Kabupaten Provinsi Jawa Tengah dan Daerah Istimewa Yogyakarta (Population Distribution of Friesian Holstein Cows in Several Regencies in Middle Java and Yogyakarta Special Province). (Yudi), Yudi Adinata; (Sumadi), Sumadi; (Adiarto), Adiarto
Buletin Peternakan Vol 33, No 3 (2009): Buletin Peternakan Vol. 33 (3) Oktober 2009
Publisher : Fakultas Peternakan UGM

The aim of this research was to study the tendency of population distribution of Friesian Holstein (FH) cows and to create a population distribution map of FH cattle in Banyumas, Semarang, Boyolali, and Sleman regencies. Thisresearch was conducted from November 2007 to June 2008. Data collected were those of FH cows population from 2002 to 2006 in Banyumas, Semarang, Boyolali and Sleman Regencies and the production of crosscut grass, field grassand straw from agriculture waste in 2006 in the respective regencies. The result was the model of map of population distribution FH cattle in Banyumas, Semarang, Boyolali and Sleman Regencies. Structure of population of FH cattle inthe year 2006 pursuant to percentage sum up the bull calf, heifer calf, young bull, heifer, bull, cow in Banyumas Regency were 8.25, 13.32, 0.00, 8.86, 0.00, and 69.57%, Semarang Regency were 8.99, 13.00, 7.01, 16.00, 11.00, and44.00%, Boyolali was 9.00, 13.00, 7.00, 16.00, 11.00, and 44.00%, and Sleman Regency were 15.98, 1.58, 20.57, 0.72, and 47.39%. Population growth of FH cattle from 2002 to 2006 in Banyumas, Semarang, Boyolali and Sleman were –4.76, 3.52, 0.93, and 8.99% respectively. The produce of crosscut grass, field grass and straw from agriculture waste pursuant to value of Dry Matter (DM), Crude Protein (CP) and Total Digestible Nutrients (TDN) to requirement ofpursuant to amount of herbivore livestock with Animal Unit (AU) base in 2006 only Banyumas Regency which was still over supply while Semarang, Boyolali, and Sleman Regencies were found insufficient. The dynamics of requirementand availability of DM, CP and TDN from 2007 to 2011 in Banyumas Regency was over supply DM and TDN but insuffiency CP, Semarang Regency was insuffiency DM, CP and TDN, Boyolali Regency was over supply DM but insuffiency CP and TDN, Sleman was over supply DM but insuffiency CP and TDN from 2007 to 2008 and other years insuffiency DM, CP and TDN.

Identifikasi Karakteristik Genetik Sapi Peranakan Ongole di Peternakan Rakyat (The Identification of Genetic Characteristic of Ongole Grade Cattle in Smallholder Farmers) (Hartati), Hartati; (Sumadi), Sumadi; Hartatik, Tety
Buletin Peternakan Vol 33, No 2 (2009): Buletin Peternakan Vol. 33 (2) Juni 2009
Publisher : Fakultas Peternakan UGM

The aim of this research was to identity genetic characteristic of Ongole Grade cattle and to analyse the diversity of Ongole grade cattle in smallholder farmers. This research was conducted at breeding stock in East Java and Central Javainclude Tuban, Lamongan and Blora regencies, since June until December 2008. The animal use were PO cattle of 18 months until 24 months of age and cow of 24 months until 36 months of age or have once of calving as many 30 headfrom location, were used as sampling for the observation of genetic diversity which was based on quantitative and qualitative characteristic. Whole blood collection was conducted to get the data of polymorphism DNA microsatelliteby using technology of PCR and elektroforesis. Data and information were analysed in descriptive, explanatory and laboratoris. The result showed that Blora subpopulation had genetic distance which was close to Tuban subpopulationcompared to Lamongan. The result of molecular genetic analyses by using microsatellite showed that highest frequency alel was presented by HEL9 locus at Tuban population. Heterozigosity value at 3 subpopulation of PO cattle was verylow, representing an indication of leading to inbreeding cases.(Key words : Genetic characteristic, PO cattle, Smallholder farmers)

Kemungkinan Pemuliaan dan Pelestarian Itik Lokal (Sumadi), Sumadi
Buletin Peternakan Vol 11, No 2 (1987): Buletin Peternakan Vol. 11 (2) September 1987
Publisher : Fakultas Peternakan UGM

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Estimasi Parameter Genetik Sifat Pertumbuhan Kambing Boerawa di Kabupaten Tanggamus Propinsi Lampung (Genetic Parameters Estimation on Growth Traits of Boerawa Goat at Tanggamus Regency Lampung Province) Beyleto, Veronika Yuneriati; (Sumadi), Sumadi; Hartatik, Tety
Buletin Peternakan Vol 34, No 3 (2010): Buletin Peternakan Vol. 34 (3) Oktober 2010
Publisher : Fakultas Peternakan UGM

This research was conducted to estimate heritability, repeatability and genetic correlation values on growth traits of Boerawa goat at Sumber Rejeki farmer group at Campang Village, Gisting District and Karya Makmur I and Karya Makmur II farmer group at Wonoharjo and Sukoharjo Village, Sumber Rejo District, Tanggamus regency, Lampung province. Data consisted of production record and 238 Boerawa goat derived from 93 PE and 7 Boer buck.The research was started on October 30, 2009 up to January 30, 2010. The results indicated that heritability value of birth weight, weaning weight, yearling weigth, average of preweaning daily gain, and average of postweaning weightanalyzed by paternal half-sibs correlation were 0.80±0.40; 0.30±0.17; 0.80±0.04; 0.32±0.18 and 0.30±0.17, respectively. The repeatability values of birth weight, weaning weight and yearling weight analyzed based on tworecording per every dam were 0.42±0.07; 0.32±0.08; 0.30±0.08; 0.30±0.08 and 0.53±0.06. The genetic correlation values among birth weight and weaning weight, birth weight and yearling weight, weaning weight and yearling weight,average of preweaning weight and postweaning weight daily gain analyzed by paternal half-sibs correlation were 0.50±0.04; 0.44±0.08; 0.21±0.03 and 0.20±0.05, respectively. The result also indicated that the heritability andrepeatability values was high and the genetic correlation values were moderate to high.(Key words: Boerawa goat, Genetic parameter, Growth character)

Estimasi Dinamika Populasi dan Output Kambing Peranakan Ettawah di Kabupaten Kulon Progo (Sumadi), Sumadi
Buletin Peternakan Vol 25, No 4 (2001): Buletin Peternakan Vol. 25 (4) November 2001
Publisher : Fakultas Peternakan UGM

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Estimasi Repitabilitas Sifat Pertumbuhan Pada Sapi Brahman Cross dan Ongole di Ladang Ternak Bila River Ranch Duma, Yulius; (Sumadi), Sumadi; Hardjosubroto, Wartomo
Buletin Peternakan Vol 26, No 4 (2002): Buletin Peternakan Vol. 26 (4) November 2002
Publisher : Fakultas Peternakan UGM

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ESTIMASI POTENSI GENETIK SAPI PERAH FRIESIAN HOLSTEIN DI TAURUS DAIRY FARM, CICURUG, SUKABUMI Prahanisa, Hera; (Sumadi), Sumadi; (Adiarto), Adiarto
Buletin Peternakan Vol 35, No 1 (2011): Buletin Peternakan Vol. 35 (1) Februari 2011
Publisher : Fakultas Peternakan UGM

The objective of this study was to estimate potential genetic of Friesian Holstein at Taurus Dairy Farm, Cicurug, Sukabumi. Data observed were secondary data of milk yield, calving interval, service per conception, age at first calving, and length of lactation records of cows that have been experiencing one or more lactation since year 2003 to 2009, then were standardized based on milk yield by using correction factor 305 days of lactation period and mature equivalent (ME). Production trait (milk yield), reproduction traits (CI, S/C, length of lactation, and age at first calving) were analyzed by descriptive statistic. Data were analyzed by paternal half-sib correlation and nested method to get heritability, while the repeatability value were obtained by interclass and intraclass correlation method. Heritability and repeatability value then was used to count most probable producing ability (MPPA) and estimated real producing ability value and estimated transmitting ability (ETA) and breeding value (NP) of dairy cows. Estimates of heritability of milk yield by using nested are 0.287±0.135 (h2s), 0.310±0.154 (h2d), and 0.299±0.103 (h2(d+s)), and paternal half-sib correlation method was 0.63±0.23. Estimates of CI heritability with paternal half-sib method was 0.46±0.23, and values obtained using nested were 0.038±0.106 (h2s), 0.733±0.231 (h2d), 0.385±0.117 (h2(d+s)). Estimated heritability of S/Cwith paternal half-sib method was 0.001±0.110 and using nested method are -0.022±0.043 (h2s), 0.098±0.133 (h2d), 0.038±0.072 (h2(d+s)). Estimated value of milk yield repeatability with interclass correlation was 0.43±0.1 and intraclass correlation was 0.15±0.05. CI repeatability value with interclass correlation method was 0.00±0.09 and intraclass correlation was 0.19±0.07. S/C repeatability value with interclass correlation method was 0.12±0.15 and intraclass correlation was 0.02±0.05. Based on the calculation, the highest five ranks on the estimated relative value of MPPA and ERPA from 147 holstein friesian dairy cows with interclass repeatability method and 279 Friesian Holsteindairycows with intraclass method were 1966, 1941, 2180, 2087, and 2248. Database, Kimball, Beam, Doeboy, Paul, Varlour and Cassela get the highest rank, based on the estimated value of ETA and NP for 40 bulls using paternal half-sib heritability method and 38 bulls using nested heritability method.(Keywords: Friesian Holstein dairy cows, Milk yield, Reproduction traits, Genetic parameter)

Estimasi Parameter Genetik Sifat Produksi Sapi Simmental di Balai Pembibitan Ternak Unggul Sapi Potong Padang Mengatas, Sumatera Barat (Estimation of Genetic Parameters of Production Characteristics on Simmental Cattle at Balai Pembibitan Ternak Unggulan Suhada, Hary; (Sumadi), Sumadi; Ngadiyono, Nono
Buletin Peternakan Vol 33, No 1 (2009): Buletin Peternakan Vol. 33 (1) Februari 2009
Publisher : Fakultas Peternakan UGM

The objectives of this research were to estimate the genetic parameters of production characteristics, breeding value (BV), weaning weight ratio (WWR) correlation with BV and most probable producing ability (MPPA) of Simmental cattle reared at Balai Pembibitan Ternak Unggul Sapi Potong Padang Mengatas. Research was based on records of birth weight (BW), weaning weight (WW), post weaning average daily gain (ADG) and yearling weight (YW) from 2002 to 2007. Heritability value (h2) was estimated for BV, WW, ADG and YW using paternal-half sib correlation and repeatability value (r) of characteristics of both using intra class correlation. The genetic correlation (rG) of BW-WW, WW-YW, WW-ADG, WW-YW, WW-ADG and YW-ADG were analyzed by variance and covariance. BV and MPPA estimation was base on record of weaning weight. The h2 value of BW, WW, YW and ADG were 0.11±0.09; 0.39±0.16; 0.43±0.19; and 0.46±0.20, respectively. The r of BW, WW, YW and ADG, were 0.25±0.16; 0.32±0.18; 0.25±0.22; and 0.34±0.16, respectively. The genetic correlation value of BW-WW, WW-YW, WW-ADG, WW-YW, WW-ADG and YW-ADG were 0.29±0.37; 0.46±0.33; 0.2 ±0.39; 0.68±0.16; 0.006±0.30 and 0.57±0.21, respectively. From 18 Bulls, 10 bulls (55.56%) had the BV higher then average population value, 142.21 kg and the remaining 8 bulls (44.44%) was lower then average population value. Frequency of the BV of prospective male and female with WW higher than WW average was 210 calves (44.68%); whereas, 260 calves (55.32%) had WW lower than average population corrected with parent age (130.21 kg). Range of absolute BV was from 112.77 kg to 155.91 kg. The BV of male had average frequency higher than that of female, i.e. 149 males (66.22%) compared to 61 female (24.90%). The MPPA with above the average WW of the population was 150 cows (41.67%) and the rest of cows (210 head or 58.33%) were under theaverage. The WWR had positive and significant correlation (1.00**) with the NP. It means that, if the cattle have a high WWR, they will also have a high NP, so that they can be used as the criteria of selection.(Key words: Simmental cattle, Genetic parameters, Breeding value, Most probable producing ability, Weaning weight ratio)

POLIMORFISME GEN GROWTH HORMONE (GH) PADA SAPI LIMURA (GROWTH HORMONE (GH) GENE POLYMORPHISM OF LIMURA CATTLE) Vulkandari, Slamet Diah; Hartatik, Tety; (Sumadi), Sumadi
Buletin Peternakan Vol 37, No 2 (2013): BULETIN PETERNAKAN VOL. 37 (2) JUNI 2013
Publisher : Fakultas Peternakan UGM

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The research was conducted to identify Growth Hormone (GH) olymorphism of Limura cattle. The research was conducted in the smallholder at Lancar, Montok and Duko village, Larangan subdistrict in Pamekasan district, East Java Province and Animal Breeding Laboratory of Faculty of Animal Science, Gadjah Mada University in April 2012. Then research used 35 Limura calves and 10 Madura calves (as control). Blood samples for DNA molecular analysis, i.e. DNA isolation with SDS-PK modification method, DNA amplification with PCR method and genotyping with RFLP method. Identification of GH gene polymorphism was conducted by digesting the DNA fragment of 211 bp extended from the fourthintron region (49 bp) to fifth of exon (162 bp) by AluI enzyme. The result indicated that GH gene of Madura cattle was not polymorphic with frequencies of L allele 1.00 and V allele 0.00. The LL genotype of Madura cattle was 1.00. Frequencies ofL and V allele in Limura cattle were 0.91 and 0.09, respectively. Limura cattle indicated polymorphic with genotype LL 0.83and LV 0.17. As a results, GH gene polymorphism was found in Limura cattle with L allele frequencies higher than V allele. Limura cattles population were not deviated from Hardy-Weinberg quilibrium genetic condition.(Key words: Growth Hormone Gene, Limura Cattle, Polymorphism)

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