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  • 03 SEAFDEC/AQD External Publications
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Now showing items 21-30 of 41

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Journal: Aquaculture

Genetic diversity of wild and cultured black tiger shrimp (Penaeus monodon) in the Philippines using microsatellites 

Xu, Zhenkang; Primavera, Jurgenne ORCID; de la Peña, Leobert D.; Pettit, Priscilla; Belak, Jane; Alcivar-Warren, Acacia (Elsevier, 2001)
Six microsatellites were used to study (1) the genetic diversity of wild <i>Penaeus monodon</i> shrimp from four geographic regions (Palawan, Quezon, Capiz and Negros Occidental-W) in the Philippines, and (2) its association ...
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Journal: Fish Pathology

Distribution of nervous necrosis virus in orange-spotted grouper Epinephelus coioides with asymptomatic infection 

Kiryu, Ikunari; de la Peña, Leobert D.; Maeno, Yukio (Japanese Society of Fish Pathology, 2007)
Distribution of nervous necrosis virus in asymptomatically infected orange-spotted grouper Epinephelus coioides was determined by PCR assay in this study. Fourteen different tissues and organs were collected from apparently ...
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Journal: Science Diliman

Local Vibrio isolates exhibit molecular characteristics distinct from reference V. harveyi and V. campbellii strains 

Cortado, Hanna H.; San Luis, Boris B.; de la Peña, Leobert D.; Monsalud, Rosario G.; Hedreyda, Cynthia T. (University of the Philippines, 2005)
Six Vibrio isolates identified biochemically as Vibrio campbellii from Southeast Asian Fisheries Development Center (SEAFDEC) in Tigbauan, Iloilo, were characterized by 16 rDNA sequence, total protein profile, and DNA ...
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Journal: Fish Pathology

Detection of Vibrio penaeicida in kuruma prawn after transport 

de la Peña, Leobert D.; Koube, Hiroshi; Nakai, Toshihiro; Muroga, Kiyokuni (Japanese Society of Fish Pathology, 1997)
In Japan, vibriosis caused by Vibrio penaeicida usually occurs in cultured kuruma prawn (Penaeus japonicus) during summer and fall. The causative bacterium can easily be detected from overtly diseased prawns, but from ...
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Journal: The Israeli Journal of Aquaculture-Bamidgeh

Experimental infection of kuruma prawn (Penaeus japonicus) with Vibrio penaeicida 

de la Peña, Leobert D.; Nakai, Toshihiro; Muroga, Kiyokuni (The Society of Israeli Aquaculture and Marine Biotechnology, 1998)
To estimate the portal of entry of Vibrio penaeicida in kuruma prawn (Penaeus japonicus), immersion and oral infection experiments were conducted with pre-treated and intact prawns. In immersion challenge, V. penaeicida ...
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Journal: Fish Pathology

Nodavirus infection in hatchery-reared orange-spotted grouper Epinephelus coioides: First record of viral nervous necrosis in the Philippines 

Maeno, Yukio; de la Peña, Leobert D.; Cruz-Lacierda, Erlinda R. (Japanese Society of Fish Pathology, 2002)
Mass mortality occurred in 34-day old larval orange-spotted grouper Epinephelus coioides reared at a hatchery in the Philippines with clinical signs such as anorexia and abnormal swimming behavior. Histopathology of moribund ...
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Journal: Aquaculture

Level and percentage recovery of resistance to oxytetracycline and oxolinic acid of bacteria from shrimp ponds 

Tendencia, Eleonor ORCID; de la Peña, Leobert D. (Elsevier, 2002)
The bacterial level of the water, sediment and cultured shrimp (Penaeus monodon) from different ponds were determined using a general medium, a presumptive Vibrio medium and a presumptive Pseudomonas–Aeromonas medium. ...
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Journal: Fish Pathology

Mortality in pond-cultured shrimp Penaeus monodon in the Philippines associated with Vibrio harveyi and white spot syndrome virus 

de la Peña, Leobert D.; Lavilla-Pitogo, Celia R.; Namikoshi, Atsushi; Nishizawa, Toyohiko; Inui, Yasuo; Muroga, Kiyokuni (Japanese Society of Fish Pathology, 2003)
Heavy mortalities were observed among pond-cultured Penaeus monodon in the provinces of Bohol, Misamis Occidental, Lanao del Norte and Zamboanga del Sur, Philippines. Vibrio harveyi was isolated purely from the hepatopancreas ...
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Journal: Bulletin of the European Association of Fish Pathologists

Characterization of betanodaviruses in the Philippines 

de la Peña, Leobert D.; Mori, K.; Quinitio, Gerald F.; Chavez, Denny S.; Toledo, Joebert D.; Suarnaba, Vonnie S.; Maeno, Y.; Kiryu, I.; Nakai, T. (European Association of Fish Pathologists, 2008)
Viral nervous necrosis caused by betanodaviruses is one of the most devastating diseases in cultured marine finfish. In the Philippines, mass mortalities occurred in sea bass, Lates calcarifer larvae and grouper, Epinephelus ...
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Journal: Animal Genetics

Microsatellite and mitochondrial haplotype diversity reveals population differentiation in the tiger shrimp (Penaeus monodon) in the Indo-Pacific region 

You, E.-M.; Chiu, T.-S.; Liu, K.-F.; Tassanakajon, A.; Klinbunga, S.; Triwitayakorn, K.; de la Peña, Leobert D.; Li, Y.; Yu, H.-T. (International Society for Animal Genetics, 2008)
The black tiger shrimp (Penaeus monodon) is an ecologically and economically important penaeid species and is widely distributed in the Indo-Pacific region. Here we investigated the genetic diversity of P. monodon (n = ...

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de la Peña, Leobert D. (41)
Amar, Edgar (6)Faisan, Jr., Joseph (6)Lavilla-Pitogo, Celia R. (6)Cabillon, Nikko Alvin R. (5)... View MoreSubjectPhilippines (24)Penaeus monodon (14)aquaculture (10)polymerase chain reaction (9)shrimp culture (8)... View MoreTaxonomic termPenaeus monodon (14)Penaeus vannamei (5)Vibrio harveyi (5)Lates calcarifer (4)Vibrio parahaemolyticus (3)... View MoreDate Issued2020 - 2026 (9)2010 - 2019 (6)2000 - 2009 (19)1990 - 1999 (6)1987 - 1989 (1)TypeArticle (38)Preprint (1)SDG contributionSDG 14 - Life below water (5)Has File(s)No (40)Yes (1)

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