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All Journal Animal Production : Indonesian Journal of Animal Production
P Yuwono, P
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Veterinary

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The Rate of Blood Glucose Utilization in Thin Tailed Weaner Lambs Following a 5-week Feed Restriction Yuwono, P; Sodiq, A
ANIMAL PRODUCTION Vol 8, No 1 (2006): January
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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The purposes of the experiment were to investigate the effect of feed restriction on the rate of whole body glucose utilization and to examine relationship between basal glucose concentration in the blood and the rate of whole body glucose utilization. A total of 12 thin tailed weaner lambs (7-11.80 kg) was at random assigned to either treatments I (T1) or II (T2). T1 was restrictively fed for five weeks whereas T2 were fully fed during the experiment.  At the end of a 5-week restriction period, T1 lost live weight of 11.45% whereas T2 gained weight of 11.95%.  Glucose utilization rate was estimated by injecting a bolus of glucose into one jugular vein with a dose of 0.30 g per kg live weight.  Blood samples (2.50 ml) were taken from the other jugular vein 5 min before injection and 10, 20, 30, 40, 50, 60 after injection of a bolus of glucose.  Collected data was analyzed using unpaired  “t” test with equal replicates. Statistical analysis indicated that the rate of whole body glucose utilization of T1 (mean±SE) was significantly (P<0.01) slower than that for T2 (0.88 ± 0.06 vs. 1.79 ± 0.25%/minute).  Mean basal blood glucose concentration of T1 and T2 (mean±SE) were 3.16 ± 0.21 and 4.19 ± 0.04 mM, respectively.  In conclusion, feed restriction for a long period of time impaired whole body glucose utilization. (Animal Production 8(1): 44-49 (2006) Key Words : Sheep, glucose, concentration, blood
Voluntary Feed Intake and Growth of Local Sheep Fed on Road Side Grasses Following A 6-Week Feed Restriction Period Yuwono, P; Hartoyo, B; Priyono, A; Soeprapto, H
ANIMAL PRODUCTION Vol 2, No 2 (2000): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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The purpose of this experiment was to investigate an adaptation time sheep to eat at a normal amount required by the local experiencing liveweight loss due to feed restriction, to investigate feed intake and feed digestibility and to investigate sheep growth following feed restriction. The experiment was conducted in The Experimental Farm of Faculty of Animal Husbandry, Unsoed. Twelve local sheep were randomly assigned to two different groups of treatment: namely, control (C) and restrictively Fed Animal (R). there were two periods through out the experiment, Period I (PI) and II (PII). During P I (6 week), Animals in group R were restrictively fed so that they lost live weight of approximately 15%. During P II Animals in group  R were than offered ad libitum. Whereas, animal in group C were fed ad libitum through out the experiment. The results of this experiment showed that animals in group R needed 17 days for adaptation to consume feed at a normal amount after they had experienced feed restriction for 6 weeks. Dry matter intake was not different between group C dan R. However, when it was expressed per metabolic live weight (g/Kg0,75), Dry matter intake for group R was significantly higher than that for group C (102.35 vs 91,79). Dry matter digestibility value for group R was higher than that for group C either during PI (62 vs 57%) or during PII (70 vs 61%). The rate of live weight gain was not different between C and R during period II. In conclusion, local sheep had capability of consuming more feed after resumption of full feeding for 17 days. (Animal Production 2(2): 47-52 (2000) Key words : local sheep, dry matter, organic matter, period, restriction, digestibility
Litter Size and Lamb Survivability of Batur Sheep in Upland Areas of Banjarnegara Regency, Indonesia Sodiq, A; Yuwono, P; Santosa, SA
ANIMAL PRODUCTION Vol 13, No 3 (2011): September
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Abstract. The objective of the current study was to find out the litter size and lamb survivability of Batur sheep, and also to identify the effects of ewe parities on litter size and lamb survivability; and the effects of birth type on lamb survivability of Batur sheep. The study was conducted at the Batur sheep Farming Group in the upland areas of Banjarnegara regency, Central Java province of  Indonesia.   Data from 311 records of lambing of Batur sheep at the village breeding centre for Batur sheep were analyzed. Least squares procedure by the General Linear Model was used to identify the effect of parity on litter size at birth and at weaning. Preweaning survivability was analyzed using the Chi-squares. Results showed that average litter size at birth and at weaning, and lambs survivability till weaning were 1.55±0.03 and 1.36±0.03 lambs; and 88.42%, respectively. Litter size at weaning and lambs survivability was significantly different among ewe parities, and increased by advancing ewes parities. Its indicating that age of ewe was important factor for the success in early stage for producing lamb. Survivability of single lamb (93.62%) was significantly higher that twins (84.11%). Increased care for twins by providing proper management might lead to a recognizable increase in lamb survival and flock productivity of Batur sheep.Key words: Batur sheep, litter size, lamb survivability, parity, preweaningAnimal Production 13(3):166-172 (2011)
Brahman Cross Development in Village Breeding Centre of the Sarjana Membangun Desa: Pitfall and A Lesson Learned Yuwono, P; Sodiq, A
ANIMAL PRODUCTION Vol 12, No 3 (2010): September
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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This study was conducted to evaluate the cattle development regarding the pitfall to be lesson learned on cow-calf operation of Brahman Cross (BX) of farmer groups in Village Breeding Centre (VBC) in Central Java province.  Data on productivity of BX were compiled from 547 Brahman cows of 43 VBC of The Sarjana Membangun Desa (SMD) program years 2008-2009 distributed in 10 regencies. Dynamic population, calf-crop, calf and dam mortality, rate of second calving, and service per conception (S/C) were recorded. Quantitative and qualitative descriptive analyses  were applied in this study. Cow-calf operation of Brahman Cross in 43 VBC was unsuccessful in terms of low reproductive rate for the second pregnancy and calving as well as a high rate of calf and dam mortality.  The rate of the second calving was 2.89%.  Calf and dam mortality were 17.27 and 12.23% for the SMD year 2009, meanwhile 25.67 and 7.08%  for the SMD year 2008, respectively.  Cow-calf development of BX in 43 VBC with the goal of increasing cattle populations was not significant.  Some experiences on unsuccessful cow-calf development of BX must be taken into account and become a lesson learned for policy and program formulation in terms of cattle development through cow-calf operation of BX. The real actions through synergism and collaboration among parties (stakeholders) to solve the problems in BX development should be implemented in order to increase farmers’ income, and to achieve the main goal in the acceleration of self-sufficiency in beef production. (Animal Production 12(3): 156-162 (2010) Key Words: Beef cattle development, Brahman Cross, breeding, calf-crop.
Effects of Feed Restriction and Exercise on Glucose Tolerance in Sheep Yuwono, P; Teleni, E; Haryoko, Ida
ANIMAL PRODUCTION Vol 5, No 2 (2003): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Penelitian ini bertujuan untuk mengetahui kecepatan penggunaan glukosa dalam darah pada ternak domba yang diberi pakan terbatas dan berjalan diatas treadmill. Delapan belas ekor domba merino kastrasi berumur 8-9 bulan dikelompokkan berdasarkan bobot badan yang selanjutnya secara random dialokasikan ke dalam tiga perlakuan. Selama Periode I (45 hari) domba dalam Perlakuan I mengalami pembatasan pakan dan jalan di atas treadmill selama 2,5 jam sehari. Domba dalam Perlakuan II mengalami pembatasan pakan tetapi tidak berjalan (not-exercise). Domba dalam Perlakuan III diberi pakan ad libitum dan tidak berjalan di atas treadmill. Selama Periode II semua ternak diberi pakan ad libitum dan tidak berjalan di atas treadmill. Analisis ragam menunjukkan bahwa exercise meningkatkan kecepatan penggunaan glukosa darah pada ternak yang mengalami pembatasan pakan. Namun demikian pembatasan pakan baik disertai dengan exercise maupun tidak, menurunkan toleransi terhadap glukosa. Pemberian pakan kembali secara ad libitum menormalkan toleransi terhadap glukosa. Disimpulkan bahwa pembatasan pakan dapat menurunkan kecepatan penggunaan glukosa dalam darah sehingga kadar glukosa darah tidak terus mengalami penurunan dan homeostasis dipertahankan. (Animal Production 5(2): 63-68 (2003) Kata Kunci : Domba, Pembatasan Pakan, Glukosa, Homeostasis
Feed Restriction Does Not Impair Insulin Sensitivity, but Exercise and Resumption of Full Feeding Increase Insulin Sensitivity and Blood Flow Across the Hind-Limb Muscles Yuwono, P; Sodiq, A
ANIMAL PRODUCTION Vol 10, No 2 (2008): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Tujuan penelitian ini adalah untuk mengetahui kepekaan terhadap insulin dan pemanfaatan  glukosa  oleh kaki belakang domba yang mendapatkan perlakuan pembatasan pakan dan excersise serta pada domba yang diberi pakan penuh dan tidak excesise. Domba sebanyak 18 ekor berumur 8-9 bulan dikelompokan berdasarkan bobot badan dalam rancangan acak kelompok terdiri dari tiga perlakuan dengan enam ulangan. Terdapat dua periode dalam penelitian ini, pada peride I (45 hari) domba dalm perlakuan I dibatasi pemberian pakannya dan excersise selama 2,5 jam perhari, 6 hari seminggu dengan kecepatan 1,1 m per detik. Domba dalam perlakuan II  hanya mengalami pembatasan pakan saja, sedangkan domba dalam perlakuan III diberi pakan ad libitum dan tidak excersise. Pada periode II (30 hari), semua domba dalam perlakuan I, II dan III diberi pakan ad libitum dan berhenti excersise.  Kepekaan terhadap insulin ditandai oleh ektraksi glukosa selama hiperisulim  pada kaki belakang tidak berbeda nyata (P>0.05) antar perlakuan pada akhir periode I. Ekstraksi glukosa (rataan ± salah baku) masing-masing perlakuan adalah 4,71 ± 0,9; 3,70 ± 0,72; 3.49 ± 0.54 %/kg otot. Pada minggu kedua  periode II, kepekaan terhadap insulin cenderung lebih tinggi (P=0.064) dengan nilai ektraksi glukosa (rataan ± salah baku) untuk perlakuan I, II dan III masing-masing adalah 3,79 ± 0,26; 3,88 ± 0,39; 2.99 ± 0.41 %/kg otot. Pada akhir periode I, laju aliran darah yang melalui kaki belakang untuk perlakuan I dan II masing-masing lebih rendah 19 dan 24% dibandingkan dengan perlakuan III sehingga berakibat pemanfaatan glukosa lebih rendah (P<0,05). Pada periode II, laju aliran darah dan pemanfaatan glukosa tidak berbeda nyata (P>0,05) antara ketiga perlakuan. Disimpulkan bahwa pembatasan pakan tidak menurunkan kepekaan terhadap insulin.  Excersise dan pemberian pakan secara ad libitum setelah sebelumnya mengalami pembatasan pakan akan meningkatkan kepekaan terhadap insulin. (Animal Production 10(2): 90-95 (2008) Kata Kunci: Domba, glukosa, ektraksi, insulin, laju aliran darah, excersise, pembatasan paka
Co-Authors A Priyono, A A Sodiq B Hartoyo, B E Teleni H Soeprapto, H Ida Haryoko, Ida SA Santosa, SA