Judul: Prevalensi Infeksi Endoparasit pada Anjing di Klinik Monsabel Medan Periode Januari - Desember 2021
Abstrak: Anjing atau Canis familiaris merupakan salah satu hewan yang dapat hidup berdampingan dengan manusia. Infeksi parasit cacing merupakan salah satu masalah kesehatan yang umum dijumpai pada anjing. Penelitian ini bertujuan mengukur prevalensi infeksi endoparasit dan infeksi cacing pada anjing serta faktor risiko kejadian kecacingan dan tindakan preventif untuk mencegah infeksi cacing. Pengambilan data rekam medikpasien anjing dilakukan di klinik Monsabel Medan pada Januari sampai Desember 2021. Total kasus infeksi cacing pada anjing berjumlah 68 kasus dari 2828 total seluruh pasien anjing. Data dianalisis secara deskriptif kuantitatif. Prevalensi infeksi cacing pada anjing di klinik Monsabel Medan pada Januari – Desember 2021 sebesar 2,41%. Faktor risiko infeksi cacing pada anjing adalah jenis kelamin.dan umur. Antelmintik yang mengandung bahan aktif seperti febantel, pyrantel pamoat, dan praziquantel digunakan sebagai tindakan preventif untuk mencegah infeksi cacing., Dog or Canis familiaris is one of the animals that can live with humans. Parasitic helminth infection are one of the most common health problems in dogs. The aim of this study is to determine the prevalence of dog endoparasite infection and helminth infection in dogs as well asthe risk factors for helminthiasis and preventive behaviors to avoid helminth infections. Medical records of canine patients were collected at the Monsabel clinicin Medan from January to December 2021. The total number of cases of helminth infection in dogs was 68 cases out of 2828 total canine patients. The datawere analyzed descriptively and quantitatively. The prevalence of helminth infection in dogs at the Monsabel clinic Medan from January to December 2021 was 2.41%. The risk factor for helminth infection in dogs is gender and age. Anthelmintics containing active ingredients such as febantel, pyrantel pamoate, andpraziquantel are preventive measures to prevent helminth infections.
Keyword: dogs, anthelmintic, helminth infection

Judul: Prevalence Helminthiasis in Dogs and Cats at Smilevet Clinic Kelapa Gading for Period January 2020 - January 2021
Abstrak: Anjing dan kucing merupakan hewan yang hidup berdampingan dengan manusia sebagai hewan peliharaan. Infeksi parasit cacing merupakan masalah yang umum pada hewan peliharaan namun data tentang prevalensi kejadian kecacingan di Indonesia masih sedikit. Penelitian ini bertujuan untuk mengetahui prevalensi dan faktor risiko kecacingan pada anjing dan kucing serta tindakan preventif untuk mencegah infeksi parasit cacing. Pengambilan data dilakukan dengan merekap rekam medik yang ada di klinik Smilevet Kelapa Gading pada Januari 2020 – Januari 2021. Seluruh data rekam medik di klinik Smilevet Kelapa Gading periode Januari 2020 – Januari 2021 berjumlah 2.259 yang terdiri atas 976 pasien anjing dan 1.283 pasien kucing. Total kasus kecacingan pada anjing dan kucing berjumlah 18 kasus. Data dianalisis secara deskriptif kuantitatif. Prevalensi kecacingan pada anjing dan kucing di klinik Smilevet Kelapa Gading pada Januari 2020 – Januari 2021 kurang dari 1%. Spesies cacing yang teridentifikasi pada pasien kucing adalah Toxocara cati. Faktor risiko kejadian kecacingan pada anjing dan kucing dipengaruhi oleh jenis kelamin, breed, dan umur. Antelmintika yang banyak digunakan memiliki zat aktif febantel, praziquantel, dan pirantel embonate. Pemberian antelmintika secara rutin menjadi tindakan preventif untuk mencegah kejadian kecacingan pada anjing dan kucing., Dogs and cats are animals that live alongside human as pets. Helminthiasis is a common problem in pets but data about helminthiasis prevalence in Indonesia still few. This research aims to determine the prevalence and risk factor of helminthiasis in dogs and cats and preventive behaviour to prevent helminthiasis. The researcher collected data by recording medical records at Smilevet clinic Kelapa Gading in January 2020 – January 2021. All medical record data at Smilevet clinic Kelapa Gading period January 2020 – January 2021 totaled 2.259, consist 976 dogs patients and 1.283 cat patients. Total helminthiasis cases in dogs and cats were 18 cases. Data analyzed with the descriptive quantitative method. The prevalence of helminthiasis in dogs and cats at Smilevet clinic Kelapa Gading for January 2020 – January 2021 was less than 1%. Helminth species that have been identified in cat patients was Toxocara cati. The risk factors for the incidence of helminthiasis in dogs and cats are influenced by sex, breed, and age. Common anthelmintics that have been used have active substances febantel, praziquantel, and pirantel embonate. Regular administration of anthelmintics effective to prevent helminthiasis in dogs and cats
Keyword: anthelmintic, cats, dogs, helminth, risk factor

Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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