Judul: Kajian Q fever pada Sapi di Rumah Potong Hewan Cibinong: Histopatologi Organ Hati dan Paru-paru
Abstrak: Query fever is a zoonosis that caused by Coxiella burnetii. This infection agents came infect any animals, especially cattle. Q fever is a subclinical disease and usually spread by inhalation route. The aim of the research was to find out the information about histopathological changes of Q fever by Hematoxylin and Eosin staining. Research was conducted from January to September 2013. The sample consists of liver, lung, heart, and spleen taken from 50 cattles at Cibinong slaughterhouse. Confirmation of Q fever diagnosis cattles was done by Immunohistochemistry staining to liver, lung, spleen and heart organ. The result showed that 9 of 50 cattles were infected by C. burnetii immunohistochemically. Histopathological changes of liver and lung were not much different between those infected and not infected cattles.
Keyword: Q fever., immunohistochemistry, cattle, C. burnetii

Judul: Kajian Query Fever pada Sapi di Rumah Potong Hewan Cibinong: Histopatologi Organ Limpa dan Jantung
Abstrak: Query (Q) fever is a zoonoses caused by Coxiella burnetii agent and it has been almost widespread around the world. The ruminants are highly risk animal infected for Q fever disease. The study of Q fever disease on heart and spleen of cattle histopathologically was carried out from January to October 2013 at Cibinong slaughterhouse and histopathology laboratory, Faculty of Veterinary Medicine, Bogor Agricultural University. Samples used were heart and spleen of 50 randomly slaughtered cattle. Immunohistochemical method was done to determine the immunoreactive and non immunoreactive of samples. The results showed that 9 samples were immunoreactive and 41 samples were not immunoreactive to anti C. burnetii antibody. The lesions of spleen indicated depletion of white pulp, congestion of red pulp, and accumulation of inflammatory cells. The lesions of heart revealed degeneration of heart muscle and accumulation of inflammatory cells. These results showed that there is no specific differences histopathologically between immunoreactive and non immunoreactive samples of heart and spleen of cattle due to Q fever.
Keyword: Q fever., immunohistochemistry, Coxiella burnetii, cattle

Judul: Karakteristik lompatan hidrolik terhadap pelimpah terjunan pada saluran segi empat
Abstrak: Aliran dengan kecepatan tinggi dalam kondisi superkritis yang melintasi bangunan pelimpah, sebelum bergerak lebih jauh ke arah hilir saluran dimana bilangan Froude (F) lebih besar dari satu harus diubah menjadi aliran subkritis dimana bilangan Froudenya lebih kecil dari satu. Aliran yang meninggalkan kaki pelimpah merupakan aliran yang memiliki kandungan energi yang amat berarti sehingga dapat menimbulkan pengikisan yang besar. Pengubahan bilangan Froude dari kondisi superkritis ke subkritis dimaksudkan agar terjadi perubahan kandungan energi, sehingga aliran menjadi non erosive. Agar daya erosive aliran dapat berkurang, maka biasanya pada bagian hilir dari bangunan pelimpah dibuatkan suatu bangunan peredam energi. Erosi yang terjadi di hilir bangunan pelimpah dapat disebabkan dari keberadaan bangunan pelimpah itu sendiri, maupun bangunan peredam energi yang kurang tepat. Hal ini terutama menyangkut beberapa kejadian lompatan hidrolik yang timbul pada bangunan peredam energi tersebut.. Suatu metode yang efektif untuk menjamin bahwa lompatan hidrolik selalu terjadi pada daerah yang dilindungi, adalah dengan menggunakan bangunan peredam energi yang terdiri dari beberapa tipe dengan..dst
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