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PERBEDAAN BOBOT DAN UKURAN TUBUH KAMBING BOERAWA GRADE 1 UMUR SATU TAHUN DARI BEBERAPA PEJANTAN KAMBING BOER DI KECAMATAN SUMBEREJO Ade Irma Suryani; Sulastri ,; Idalina Harris
JURNAL ILMIAH PETERNAKAN TERPADU Vol 4, No 1 (2016)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

This research was conducted to know yearling weight and yearling body measurements of Boerawa grade 1 (G1) from some bucks, to estimate heritability, and to estimate breeding value (BV) of yearling weight and yearling body measurements of Boer bucks. Fifty tails Boerawa G1 from 5 tails Boer bucks was used as research sample decided by purposive sampling. Survey method was done in this research located at Sumberejo subdistrict began August up to September, 2015. Variables observed were yearling weight and yearling body measurements. The body measurements consist of circumference of chest, body length, and shoulder height. Yearling weight and yearling body measurements were adjusted to yearling weight and yearling body measurements corrected. The data corrected was used to estimate heritability of Boerawa G1 and to estimate Breeding Value of each Boer bucks. Result of this research indicated that the average of yearling weight 33,78 ± 1,19 kg, yearling circumference of chest 68,28 ± 3,20 cm, yearling body length 63,73 ± 2,17cm, and yearling shoulder height 63,72 ± 2,96 cm. Heritability of yearling weight 0,19 ± 0,40, yearling circumference of chest 0; 0,15 ± 0,38, yearling body length 0,20 ± 0,41; yearling shoulder height 0,17 ± 0,39. Breeding value of Bursan buck for yearling weight 34,06 kg, yearling circumference of chest 69,10 cm, yearling body length 64,02 cm, and yearling shoulder height 64,42 cm. The breeding value of Bursan buck was highest. It could be concluded that Bursan buck was the best Boer buck. Key word: Boer Buck, Boerawa, Yearling Body Weight, Yearling Body Measurements, Breeding Value

STATUS REPRODUKSI DAN ESTIMASI OUTPUT BANGSA-BANGSA KAMBING DI DESA KARANG ENDAH KECAMATAN TERBANGGI BESAR KABUPATEN LAMPUNG TENGAH Sundari Aprilinda; Sulastri ,; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 4, No 1 (2016)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

The aim of the study was to identify reproduction status, natural increase, net replacement rate, and output in each goat breeds of Karang Endah village, Terbanggi Besar subdistrict, Lampung Tengah. The research was started in August until September 2015. The results showed that the structure of the goat population in the village of Karang Endah consists of 47 Peranakan Etawah (PE) goats, 225 Rambon goats, and 117 Kacang goats. Reproduction status goat in Karang Endah: PE goat, first mating males and females (13.00 and 13.46 months), post partum mating (2.69 months), calving interval (7.69 months). Rambon goat, first mating males and females (9.13 and 11.67 months), post partum mating (2.49 months), calving interval (7.49 months). Kacang goat, first mating males and females (8.76 and 10.25 months), post partum mating (1.50 months), calving interval (6.50 months). Goats PE natural increase (38.30%), net replacement rate of males and females (668% and 306.38%), output (38.29%). Goats Rambon natural increase (29.33%), net replacement rate of males and females (397% and 179.94%), output (29.33%). Natural increase Kacang goats (27.35%), net replacement rate of males and females (221% and 317.80%), output (27.35%). (Keywords: Population structure, reproduction status, Natural Increase, Net Replacement Rate, Output)

PERBANDINGAN KOEFISIEN HETEROSIS ANTARA KAMBING BOERAWA DAN SABURAI JANTAN PADA BOBOT SAPIH DI KECAMATAN SUMBEREJO KABUPATEN TANGGAMUS Muhammad Harowi; Sulastri ,; M. Dima Iqbal Hamdani
JURNAL ILMIAH PETERNAKAN TERPADU Vol 4, No 1 (2016)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Heterosis is the difference between the average results descent crosses with the average results of the parent type. Productivity of Boerawa and Saburai goat can be improved through crossbreeding program to utilize heterosis effect. Increased productivity by heterosis occurs due to increased heterozygosity but homozygosity decline. This research aims to: 1) know weaning weight of male Boerawa and Saburai goat; 2) comparing the coefficient of heterosis between male Boerawa and Saburai goat on weaning weight. This research was conducted on 12th August—13th September 2015 at the farmer group of Pelita Karya 3, Mitra Usaha, and Handayani in Sumberejo District, Tanggamus regency. This research used survey method. The sampling is done by using purposive sampling. The number of samples each 30 individuals male Boerawa and Saburai. The data obtained by the secondary data from recording data belongs to a group of farmers that include the name of farmer group, breeder, goat breed, age of the parent during childbirth, birth weight, type of birth, sex, weaning age, and weaning weight.Data were analyzed using student’s t-test on the significantly level 5% or 1%. The results of this research are : (1) the average of birth weight, weaning weight, and weaning weight adjusted of male Boerawa are 3.02±0.20 kg, 16.77±0.51 kg, and 20.82±0.71 kg and male Saburai goat are 3.36±0.31 kg, 17.86±0.79 kg, and 21.45±0.55 kg. (2) heterosis coefficient of male Boerawa and Saburai goat highly significant (P˂0,01). The average of heterosis coefficient Saburai goat (2.35±1.55) is lower than Boerawa goat (6.19±1.98). (Keywords : Boerawa goat, Saburai goat, weaning weight, heterosis coefficient).

STATUS REPRODUKSI DAN ESTIMASI OUTPUT BERBAGAI BANGSA SAPI DI DESA SRIWEDARI, KECAMATAN TEGINENENG, KABUPATEN PESAWARAN Septia Anggraini; Sulastri ,; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 4, No 1 (2016)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

The aim of this research is to know the status of reproduction, NI, NRR, and output of some cattle breeds at Sriwedari Village, Tegineneng Districts, Pesawaran Regency. The research was carried out for two months, started in Agustus until September 2015. The data was taken from all of the cattle farmers in Sriwedari Village. The result shows that the structure of cattle population in Sriwedari Village are consisted of 123 animal unit (AU) PO cattle, 57,50 AU Limousin Crossbreed, 173,50 AU Simmental Crossbreed, 9 AU Brangus Crossbreed. Female cattles were breed by artificial insemination, the first mating age of PO cattle was 17,25 months, Limousin Crossbreed was 18,85 months, Simmental Crossbreed was 17,77 months, and Brangus Crossbreed 15,5 months. S/C Brangus Crossbreed was 2, PO cattle was 2,07, Limousin Crossbreed was 2,14, and Simmental Crossbreed 2,16. Calving interval of PO cattle was 14,13 months, Simmental Crossbreed was 13,94 months, Brangus Crossbreed was 13,85 months, and Limousin Crossbreed was 13,74 months. The length of breeding of PO cattle was 7,83 years, Limousin Crossbreed was 6,74 years, Simmental Crossbreed was 6,29 years, and Brangus Crossbreed was 6,63 years. Natural increase of Simmental Crossbreed was 42,62%, PO cattle was 17,99%, Limousin Crossbreed was 9,84%, Brangus Crossbreed was 9,09%. Net replacement rate of PO cattle 333,668%, Limousin Crossbreed was 281,818%, Simmental Crossbreed was 261,588%, Brangus Crossbreed was 228,571%. Output of Simmental Crossbreed was 27,07%, PO cattle was 20,86%, Limousin Crossbreed was 14,75%, Brangus Crossbreed was 9,09%. (Keywords: reproduction, population, output, cattle, breeds)

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