Judul: Gambaran Darah Merah Domba Bunting yang Diberikan Superovulasi dan Penyuntikan Human Chorionic Gonadotropin (hCG) pada Hari ke-6 setelah Perkawinan.
Abstrak: Superovulation is one of the reproduction technology used to increase the productivity of ewes. Physiological conditions of superovulated ewes are different from those of nonsuperovulated ewes. This research was conducted to observe the red blood cell (RBC) profiles of pregnant ewes superovulated and injected with hCG on the 6th day after mating. Twelf matures ewes weighing from 18-25 kg were dividied into 4 groups. The first group was not superovulated (control), the second group was superovulated before mating (SO1), the third group was injected with hCG 6 days after mating (SO2), and the fourth group was injected with PMSG and hCG before mating followed by injection of hCG 6 days post mating (S012). Estrus synchronization was done by injecting 5-15 mg of PGF2α with 11 days interval. The parameters measured were the total number of red blood cell, hematocrit value, and the hemoglobin concentration. The results obtained showed that the SO12 treatment group had higher red blood cells, hemoglobin, and hematocrit as compared to control. Based on these results it can be concluded that superovulation and added injected hCG on day-6 after mating (S012) increased red blood cell count, hemoglobin level, and hematocrit values to support maternal metabolism due to the increased fetal number and growth.
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Judul: Gambaran Sel Darah Merah, Hematokrit, dan Hemoglobin Induk Domba pada Awal Kebuntingan yang Disuperovulasi
Abstrak: Superovulation is a procedure when an animal is induced (usually through use of injectable hormones) to ovulate multiple ova. This study was conducted to study the blood profiles of nonsuperovulated and superovulated ewe during early pregnancy. The data were collected from May until June 2011. A total of 18 ewes weighing between 18–23 kg were divided into 2 groups. The first group was control (without superovulation) and the second group was superovulation (injected with PMSG and hCG). Variables measured were number of red blood cell, hematocrit, and hemoglobin concentration. Blood samples were drawn from the jugular vein for 30 days during early pregnancy, i.e., on days 1, 3, 6, 9, 12, 15, 30. The results showed that nonsuperovulated ewes had the lowest number of red blood cell, hematocrit, and hemoglobin concentration as compared to superovulated group. The number of red blood cell, hematocrit, and hemoglobin concentration increased on day 30. It was concluded that superovulation of ewes prior to mating could increase the number of red blood cell, hematocrit, and hemoglobin concentration.
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Judul: Kerusakan bantalan rel kereta api di wilaya inspeksi 2 jalan dan bangunan perusahaan jawatan kereta api (pjka),cirebon
Abstrak: Kereta api merupakan salah satu sarana angkutan yang murah, cepat dan aman serta dapat mengangkut barang dalam jumlah besar. Kelancaran operasi sarana angkutan tersebut banyak ditentukan oleh kondisi jalan rel, termasuk kondisi bantalannya. Dalam hal ini bantalan rel kereta api dapat dibuat dari kayu, logam, atau beton. Namun demikian kayu merupakan bahan yang paling banyak digunakan sebagai pembuat bantalan rel kereta api di berbagai negara. Kenyataan menunjukkan bahwa kayu yang digunakan sebagai bantalan rel kereta api sering mengalami berbagai macam kerusakan yang menyebabkan bantalan tidak berfungsi lagi atau menurun fungsinya. Di Indonesia, informasi mengenai jenis dan tingkat kerusakan bantalan kayu masih sangat kurang, pada- hal informasi tersebut sangat penting sebagai dasar pertimbangan dalam rangka pemeliharaan jalan kereta api, agar umur pakainya (service life) lebih lama.
Keyword: bantalan rel