Muhammad Agil
Bagian Reproduksi dan Kebidanan Fakultas Kedokteran Hewan Institut Pertanian Bogor

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Morfologi Kelenjar Aksesori Kelamin Muncak (Muntiacus muntjak muntjak) Jantan

ACTA VETERINARIA INDONESIANA - Indonesian Veterinary Journal Vol 1, No 2 (2013): Juli 2013
Publisher : Bogor Agricultural University

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Abstract

Penelitian ini bertujuan untuk mempelajari morfologi kelenjar aksesori muncak jantan secara makroanatomi dan mikroanatomi. Seekor muncak jantan dewasa berumur 4-5 tahun dengan bobot badan 19 kg digunakan pada penelitian ini. Muncak terlebih dahulu di-exanguinasi untuk dikoleksi kelenjar aksesori kelaminnya. Untuk memperoleh gambaran mikroanatomi, sampel kelenjar aksesori diproses dengan teknik histologi dan diwarnai dengan pewarnaan hematoksilin-eosin (HE). Hasil pengamatan makroskopis menunjukkan bahwa kelenjar aksesori muncak jantan terdiri atas ampula, duktus deferens, kelenjar prostat, kelenjar vesikularis, dan kelenjar bulbouretralis. Karakteristik histologi kelenjar aksesori muncak adalah ditemukannya kelenjar prostat yang berbentuk pars diseminata dengan kelenjar-kelenjar sekretori tersebar di sekeliling lumen uretra pars pelvina dimana secara makroskopis kelenjar tersebut tidak dapat diamati. Tipe kelenjar sekresi pada ampula, kelenjar vesikularis, dan pars diseminata prostat adalah tubuloalveolar, sedangkan pada kelenjar bulbouretralis tipe tubular. Dapat disimpulkan bahwa morfologi kelenjar aksesori muncak jantan memperlihatkan kemiripan dengan kelenjar aksesori pada ruminansia kecil lainnya seperti kambing, domba, reeves muntjak, dan pampas deer.

Histologi dan Histomorfometri Testis dan Epididimis Muncak (Muntiacus muntjak muntjak) pada Periode Ranggah Keras (HISTOLOGY AND HISTOMORPHOMETRY OF THE TESTIS AND EPIDIDYMIS OF MUNTJAC (MUNTIACUS MUNTJAK MUNTJAK) DURING HARD ANTLER PERIOD)

Jurnal Veteriner Vol 13, No 3 (2012)
Publisher : Jurnal Veteriner

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Abstract

The objective of this study was to describe the histology and histomorphometry of testis and epididymisof muntjac (Muntiacus muntjak muntjak) during hard antler period. The tissues of the testis and epididymisof an adult male muntjac were processed for histological examination and stained with haematoxylineosine(HE). The parenchyma of muntjac’s testis during hard antler period showed tubuli seminiferi waslined with germinal epithelium: spermatogonia, spermatocyte, spermatid that differentiated intospermatozoa. Sertoli cells were found among the germinal cells. In addition, Leydig cells were foundaround the blood vessel of interstitial tissue along with macrophages. Diameter of the seminiferous tubuleand epithelial thickness were 176,60±7,06 ?m and 50,27±3,62 ?m respectively. The epididymal duct wassubdivided into three segments: caput, corpus and cauda. They were lined predominantly withpseudostratified columnar epithelium which was varied in its thickness. The largest diameter of epididymalduct was found in cauda region (324,26±25,79 ?m), while caput epididymidis had the thickest of epithelialcell (62,21±4,21 ?m) and tended to ce thinner in corpus (49,53±3,01 ?m) and cauda epididymidis(16,30±2,27?m). The density of spermatozoa was observed the most in the lumen of cauda region comparedto caput and corpus epididymidis. In conclusion, the structure of histology and histomorphometry of theseminiferous tubule of testis and epididymal duct of muntjac were similar with small ruminants andother Cervidae during hard antler period.

Assessment of Fertility Status in the Male Sumatran Rhino at the Sumateran Rhino Sanctuary, Way Kambas National Park, Lampung

HAYATI Journal of Biosciences Vol 15, No 1 (2008): March 2008
Publisher : Bogor Agricultural University, Indonesia

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Abstract

Sumatran rhino is the most endangered rhino species. Its population is estimated less than 300 individuals remaining in the wild with highly declining rate to 50% in the last 15 years. The number of male rhinoceroses in the captivity are very few, therefore the assessment of its fertility is very important in order to support the breeding success since the captive breeding success is very poor. The objectives of this study were (i) to determine the male reproductive status, (ii) to establish a reliable semen collection method, and (iii) to assess semen parameters of the fresh collected sample. Three methods of semen collection were examined to determine its fertilizing potential, i.e. (i) stimulated combination of artificial vagina (AV), penile massage (PM) and accessory gland massage (AGM); (ii) AV and PM; and (iii) only with PM. The first method gave the best result with an ejaculation success of 85.71% (6/7, n = 7). The second and third methods obtained an ejaculation success rate of 50% (2/4, n = 4)) and 25% (1/4, n = 4), respectively. The collected ejaculates had a volume of 1.2-12.4 ml with whitish to cream turbid colour and pH 6.90-6.99. Sperm concentration was (143-333) x 103 sperm/ml. The quality of the sperm was low with only approximately 1% of them moved forward slowly. Approximately 80% of the spermatozoa were immature (prox. cytoplasmic droplet) with head (macro-, microcephalic) and tail abnormalities (broken tail). Semen quality increased after several collections and the amount of immature sperm decreased up to 5%. Electroejaculation procedure could produce 34 ml semen, but no sperm was found in the ejaculate. Hence, the combination of AV, PM, and AGM could get higher volume of ejaculate compared to other methods, but sperm concentration was better obtained using AV and PM only. Repeated semen collection increased semen quality, although the male has low fertilizing capacity due to low sperm concentration (oligozoospermia) and small volume of the ejaculate (oligospermia). Key words: Sumatran rhino, semen, sperms, collection

Spermatogenesis and semen quality of male muntjak (Muntiacus muntjak muntjak) during antler growth periods

Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

Muntjak (Muntiacus muntjak muntjak) belongs to Cervidae family which distributed in Java Island and Southern part of Sumatera. This cervid has been protected by Indonesian Government since 1999. In order to support breeding program of the species and to avoid them from extinction, itsreproductive biology such as spermatogenesis and the correlation to semen quality is important to be investigated. Therefore, the objective of this study was to examine spermatogenesis and semen quality of two adult male muntjaks during antler growth periods that consist of hard antler (H), casting (C), andvelvet antler (V). Testicular tissues and semen (ejaculates) were obtained by core needle biopsy and electroejaculation methods respectively. Testicular tissues were processed histologically and stained with periodic acid Schiff (PAS) to observe spermatogenesis whereas semen was evaluated to obtaine itsquality. The results showed that spermatogenic activities were detected in all antler periods which marked by PAS positive staining (magenta colour) of round and elongated spermatid acrosomes. In H period, spermatogenic activity was higher than those C and V periods. According to semen evaluation,motile spermatozoa were found with different concentration in all antler periods. The highest sperm concentration (x 106 spermatozoa/ml) in both of muntjaks was found in H period (506.25 ± 61.87), and slightly decreased in C (288.75 ± 37.12), and V periods (362.60 ± 17.68). These finding showed thatspermatogenesis to produce spermatozoa is taken place while muntjaks are in C and V periods with differ activities that provable with the existence of motile spermatozoa from ejaculates in both of male muntjaks. Therefore, muntjaks could provide reproductive function throughout the year of reproductiveaseasonality which is similar to the reeves and formosan muntjaks

FAECAL GLUCOCORTICOID MEASUREMENT AS INDICATOR STRESS IN WILD CRESTED MACAQUES (MACACA NIGRA): THE IMPORTANCE OF VALIDATION AND SAMPLE PROCESSING TECHNIQUES

Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 2 (2014): Life Sciences
Publisher : Syiah Kuala University

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Abstract

Monitoring of physiological stress in wild and/or endangered animals living in their natural habitat can be generated via measuring faecal glucocorticoid metabolites (FGCMs) through enzyme immunoassay technique. However, a careful validation of each enzyme immunoassays (EIAs) and methodological issues such as samples preservation, and extraction procedures must be a significant concern and validated because  it may influence FGCMs levels. In this present study, the aim was to carry out a biological validation to find reliable EIAs that could be used for non-invasive measurement of glucocorticoid levels in crested macaques. Moreover, we compared three different techniques of preservation: lyophilisation, oven drying and field extraction and three different solvents for extraction: 80% methanol, 90% pure ethanol and 90% commercial alcohol (isopropyl alcohol) to find the simple and practical techniques for sample processing. For hormone analysis, we colIected 189 faecal samples from wild crested macaques living in the Tangkoko-Batuangus Nature Reserve, North Sulawesi, Indonesia. The results show that biological validation can be used to validate measurement of faecal glucocorticoid which 3α,11β-dihydroxy-etiocholanolone was the most reliable EIAsfor this species. Different preservation and solvent extraction were not significantly influenced levels of FGCMs (p>0.05). In conclusion, Our study highlights the importance of biological validation of FGCMassays and presents practical techniques for the non-invasive monitoring of physiological stress in crested macaques.

Profil Gonad Kodok Lembu Betina yang Diberi Human Chorionic Gonadotropin dan Ekstrak Hipofisis Kodok Lokal

Jurnal Veteriner Vol 12, No 3 (2011)
Publisher : Jurnal Veteriner

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Abstract

Bulllfrog (Rana catesbeiana) are naturally reach sexual maturity at the age of 3 years aftermetamorphosis. This research aims to study the gonad growth of female bullfrog. given human chorionicgonadotropin (hCG) and hipofise extract of local frog in order to accelerate the maturity. There were 40female bullfrog used in this study and divided into four treatment groups and one control. The treatmentswere injections of 150 IU hCG, 200 IU hCG, 8 hipofise, 16 extract of hipofise and controls. The injectionswere conducted once a month for four months. Every month after the first injection, two of bullfrogs fromeach group were measured their body and gonad weight, in addition, the stage of ovary was also observedeither in macroscopically and microscopically. The results showed that hCG treatment group gave betterresults compared with the treatment of hipofise extract of local frog. The injection of 200 IU hCG gave thebest result of gonad maturity index (IKG) 4.9%, compared with other treatment groups. Giving a dose of200 IU hCG and 16 hipofise exctract of local frog can be used to accelerate the maturity of female bullfrog

Validasi Kit Enzyme-Linked Immunosorbent Assay Komersial untuk Analisis Hormon Estradiol dan Progesteron Darah Kambing Kacang (VALIDATION OF COMMERCIAL ENZYME-LINKED IMMUNOSORBENT ASSAYKIT FORANALYSIS OF ESTRADIOLANDPROGESTERONE HORMONE IN BLOOD OF KACANG

Jurnal Veteriner Vol 15, No 4 (2014)
Publisher : Jurnal Veteriner

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Abstract

The aim of this study was to evaluate the capability of two human commercial enzyme-linkedimmunosorbent assay (ELISA) kits(DRG International Inc.,Germany and GBC Taiwan) for measuringestradiol (E2) and progesterone (P4) in plasma of kacang goat. Three healthy and non pregnant femalekacang goats aged 2-3 years with regular estrous cycles were used in this study. Blood samples werecollected from the jugular vein using a 21G venoject every two days and it was intensified every day duringthe period before heat. Collected plasma were stored at -20ºC until the analysis. Capability validationwas conducted by measuring accuracy (parallelism test), sensitivity and precision.Parallelism test usingDRG commercial kit showed that sample curvewas parallel with standard curve of E2 and P4. In contrastit was not parallel with standard curve of GBC commercial kit. Sensitivity was measured from the lowesthormones concentration of E2 and P4 at 90% binding that were 25 pg/ml and 0.14ng/mL in DRG kit, whilein GBC kit were 5 pg/mL of E2 and 0.2 ng/mL of P4, respectively. Coefisien of variation of intra- andinterassay for both ELISA commercial kits were less than10%. It can be concluded that DRG commercialELISA kit E2 and P4 can be used to analyse female kacang goat blood plasma, while GBC commercialELISA kit E2 and P4 are not recommended.

Deteksi Umur Pubertas Muncak (Muntiacus muntjak muntjak) Betina Berdasarkan Analisis Metabolit Estrogen dan Progesteron pada Feses (THE AGE OF PUBERTY DETECTION IN FEMALE BARKING DEER (MUNTIACUS MUNTJAC MUNTJAC) BASED ON FAECAL ESTROGEN AND PROGESTERONE A

Jurnal Veteriner Vol 16, No 1 (2015)
Publisher : Jurnal Veteriner

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Knowledge and information about the age of puberty in muntjac (Muntiacus muntjac muntjac) isindispensable to the interests of females breeding in conservation efforts. The aims of this study were todetermine the age of puberty and age at first mated females muntjac kept in captivity through the analysisof estrogen and progesterone metabolites in feces. This study used 155 fecal samples that were collectedfrom three female muntjacs. Sample collection was began when muntjac aged three months, four monthsand six months. Total of 10-20 g fecal samples were collected every 2-4 days. Analysis of steroid hormonemetabolites was performed by using enzyme immunoassay (EIA) method with specific antibodies.Determination of the age of puberty was based on the appearance of the first time estrus and ovulation,which was indicated by the appearance of the highest estrogens secretion, on hormone metabolites profile.Hormone metabolites data then were tabulated in the average and standard deviations were presentedwith graphs and analyzed descriptively. The results showed that the age of puberty detection based onanalysis of the estrogens and progesterone metabolite in the feces can be applied in muntjac. Muntjacfemales kept in captivity flats reached puberty at age 5±1 month or 4-6 months range. It is recommendedthe first mated in the muntjac is at least after the female experienced two period of oestrous or has reachedat age of six months.

IDENTIFIKASI KARAKTERISTIK DAN UKURAN TUBUH SAPI PERAH FRIES HOLLAND LAKTASI DI KAWASAN USAHA PETERNAKAN BOGOR

Students e-Journal Vol 5, No 4 (2016): Wisuda November 2016
Publisher : UPT TI Universitas Padjadjaran

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Abstract

Penelitian ini bertujuan untuk mengetahui karakteristik dan ukuran tubuh sapi perahFries Holland (FH) laktasi di Kawasan Usaha Peternakan (KUNAK) Bogor. Objek penelitian ini adalah sapi perah FH laktasi sebanyak 100 ekor yang terdiri atas 23 ekor laktasi 1, 37 ekor laktasi 2, 25 ekor laktasi 3, dan 15 ekor laktasi 4 yang dipelihara oleh peternak sapi perah di KUNAK Bogor. Berdasarkan analisis deskriptif, ciri bangsa sapi perah FH laktasi di lokasi penelitian umumnya masih termasuk baik dengan keberadaan tanda segitiga putih pada dahi sebesar 97%, warna rambut bagian bawah ekor berwarna putih 100%, dan keempat kaki bagian bawah sebagian besar berwarna putih, meskipun demikian hanya 6% sapi perah di KUNAK Bogor yang masih memiliki seluruh kriteria ciri bangsa sapi perah FH. Sapi perah laktasi di KUNAK Bogor memiliki panjang badan 168,0±14,4 cm, tinggi pundak 129,9±4,5 cm, dan lingkar dada 179,4±10,3 cm. Ukuran tubuh sapi perah FH laktasi di KUNAK Bogor masih seragam dengan koefisien variasi dibawah 10%. Kata Kunci : karakteristik, ukuran tubuh, sapi perah Fries Holland

Gambaran Umum Kajian Profil Hormon Steroid Menggunakan Metode Non-Invasif dari Sampel Feses

ZOO INDONESIA Vol 25, No 1 (2016): Juli 2016
Publisher : Masyarakat Zoologi Indonesia

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Abstract

Kajian terhadap profil hormon-hormon steroid merupakan kunci penting dalam upaya memahami aspek fisiologis satwa. Beberapa dekade terakhir telah dikembangkan metode alternatif untuk mengetahui profil hormon steroid, yaitu melalui pengukuran metabolit hormon steroid yang diekskresikan melalui ekskreta tubuh seperti feses. Metode tersebut dikenal sebagai metode non-invasif. Metode ini memungkinkan pengumpulan sampel secara terus menerus dalam jangka panjang dengan meminimalisasi gangguan terutama pada satwa liar. Kajian terhadap profil metabolit hormon steroid yang terukur dapat diaplikasikan antara lain untuk mengetahui status reproduksi, penentuan jenis kelamin, studi perilaku hingga monitoring tingkat stres satwa. Berbagai kajian dengan memanfaatkan metabolit hormon steroid telah berhasil diaplikasikan pada berbagai taksa vertebrata. Tulisan ini memberikan gambaran terkini mengenai aplikasi metode non-invasif untuk kajian profil metabolit hormon steroid dari sampel feses.