Effect of Dietary Inclusion of Cassava Yeast as Probiotic Source on Egg Production and Egg Quality of Laying Hens

Author(s): Songsak Chumpawadee | Anut Chantiratikul | Suwannee Sataweesuk

Effect of Different Calcium Sources and Calcium Intake on Shell Quality and Bone Characteristics of Laying Hens at Sexual Maturity and End of Lay

Author(s): K.C. Koutoulis | I. Kyriazakis | G.C. Perry | P.D. Lewis

Effect of Dietary Graded Levels of Leucaena leucocephala Seeds on Layers Performance, Egg Quality and Blood Parameters

Author(s): Mohamed Elamin Ahmed | Khadiga Abbas Abdelati

Efficiency of PUFAs Incorporation from Marine Sources in Yolk Egg`s Laying Hens

Author(s): Paulo Reis de Carvalho | Maria Carolina Goncalves Pita | Eduardo Piber Neto | Cassio Xavier de Mendonca Jr.

Experimental Mycotoxicosis in Layer Induced by Ochratoxin A and its Amelioration with Herbomineral Toxin Binder ‘Toxiroak’

Author(s): G.K. Sawale | R.C. Gosh | K. Ravikanth | S. Maini | D.S. Rekhe

Residual Activity of Metarhizium anisopliae or Plant Extracts on Laying Hens for Menacanthus stramineus Lice Control by Dipping

Author(s): E.S. Pablo | A.L.M. Sandoval | M.R. Fernandez | E. Morales | O. Prado | G. Tellez | M.T.M. Quintero

Guava By-Product Meal Processed in Various Ways and Fed in Differing Amounts as a Component in Laying Hen Diets

Author(s): A.A. El-Deek | Safa M. Hamdy | Y.A. Attia | A.M. El-Shahat

Effects of Citric Acid Supplementation on Phytate Phosphorus Utilization and Efficiency of Microbial Phytase in Laying Hen

Author(s): Y. Ebrahim Nezhad | M. Shivazad | R. Taherkhani | K. Nazeradl

Influence of Dietary Zeolite Supplementation on the Performance and Egg Quality of Laying Hens Fed Varying Levels of Calcium and Nonphytate Phosphorus

Author(s): H. Nassiri Moghaddam | R. Jahanian | H. Jahanian Najafabadi | M.M. Madaeni

Egg Yolk Cholesterol Lowering Effects of Garlic and Tea

Author(s): Marshall Arebojie Azeke | Kokoete Ekerete Ekpo

Performance and Egg Weight of Laying Hens Fed on the Diets with Various By-Product Oils from the Oilseed Extraction Refinery

Author(s): Nizamettin Senkoylu | Hasan Akyurek | H. Ersin Samli | Nuri Yurdakurban

Nutritional Potentials of Siam Weed (Chromolaena odorata) Leaf Meal (SWLM) on Laying Hens: Biochemical and Haematological Implications

Author(s): Ayodeji O. Fasuyi | Kola S.O. Fajemilehin | Samuel O. Aro

Assessment the Impacts of Dietary Electrolyte Balance Levels on Laying Performance of Commercial White Layers

Author(s): Nizamettin Senkoylu | Hasan Akyurek | H. Ersin Samli | Aylin Agma

Effects of Poultry by Product Meal on Laying Performance Egg Quality and Storage Stability

Author(s): H. Ersin Samli | Nizamettin Senkoylu | M. Levent Ozduven | Hasan Akyurek | Aylin Agma

The Effects of Dietary Electrolyte Balance on the Performance and Eggshell Quality in the Early Laying Period

Author(s): A. Nobakht | M. Shivazad | M. Chamany | A.R. Safameher

Effect of Naturally Contaminated Feed with Aflatoxins on Performance of Laying Hens and the Carryover of Aflatoxin B1 Residues in Table Eggs

Author(s): A. Aly Salwa | W. Anwer

Supplementation Carotenoid Compounds Derived from Seed Integral Ground Annatto (Bixa orellana L.) In the Feed Laying Hens to Produce Eggs Special

Author(s): Paulo Reis de Carvalho | Katia Maria Vieira Avelar Bittencourt Cipolli | Rita de Cassia Salvucci Celeste Ormenese | Paulo Roberto Nogueira Carvalho | Marta Gomes da Silva

COMPARISON BETWEEN BIOGAS PRODUCTION FROM MANURE OF LAYING HENERS AND BROILERS

Author(s): Srećko Kukić | Branimir Bračun | Davor Kralik | Robert T. Burns | Slavko Rupčić | Daria Jovičić

Thermal performance in layer hen house with natural acclimatization/ Desempenho térmico de aviário de postura acondicionado naturalmente

Author(s): Marco Antônio Martin Biaggioni | Juliana Medeiros de Mattos | Samir Paulo Jasper | Luiz Antônio Targa

THE INCREASE OF THE N-3 PUFA CONTENT IN EGGS

Author(s): Zoran Škrtić | Gordana Kralik | Zlata Gajčević | Ivan Bogut | Danica Hanžek

High-performance liquid chromatographic determination of sulfadimidine residues in eggs

Author(s): Kožárová Ivona | Máté D. | Hussein K. | Raschmanová Katarína | Marcinčák S. | Jevinová Pavlína

Yolk lip1d modifications by fat supplemented diets of laying hens

Author(s): Hodžić Aida | Hamamdžić M. | Gagić A. | Mihaljević Milena | Krnić J. | Vegara M. | Baltić Milan Ž. | Trajković Svetlana | Kadrić M. | Pašić-Juhas Eva

Adding Medicinal Herbs Including Garlic (Allium sativum) and Thyme (Thymus vulgaris) to Diet of Laying Hens and Evaluating Productive Performance and Egg Quality Characteristics

Author(s): M. Zarei | M. Torki | R. Ghasemi

Effect of genetic strain, cage space and dietetic tryptophan level on the laying hens performance Efeito da linhagem, espaço na gaiola e nível de triptofano dietético no desempenho de poedeiras comerciais

Author(s): Otávio Antonio Rech | João Waine Pinheiro | Nilva Aparecida Nicolao Fonseca | Caio Abércio da Silva | Alexandre Oba

Cytological Evaluation of Bone Marrow in Normal Laying Hens and those With Lymphoid Leukosis

Author(s): H.I. Al-Sadi and E.Y. Hussein

Diuretic Effects of Several Chemical and Herbal Compounds in Adult Laying Hens

Author(s): A. Esfandiary | H. Rajaian | K. Asasi | M. Ansari Lari | J. Jalaei

Effect of Replacement of Protein from Soybean Meal with Protein from Wolffia Meal [Wolffia globosa (L). Wimm.] on Performance and Egg Production in Laying Hens

Author(s): A. Chantiratikul | O. Chinrasri | P. Chantiratikul | A. Sangdee | U. Maneechote | C. Bunchasak

Effect of Dietary Crude Protein Levels on Egg Production, Hatchability and Post-Hatch Offspring Performance of Indigenous Chickens

Author(s): A.M. Kingori | J.K. Tuitoek | H.K. Muiruri | A.M. Wachira

Evaluation of Distillers Dried Grains with Solubles as Feed Ingredient in Laying Hen Diets

Author(s): S.M.M. Shalash | S. Abou El-Wafa | R.A. Hassan | Nehad A. Ramadan | Manal S. Mohamed | Hoda E. El-Gabry

Effects of Treatment Methods on the Nutritional Value of Cotton Seed Cake for Laying Hens

Author(s): D.F. Apata

A Comparison of Infrared and Hot Blade Beak Trimming in Laying Hens

Author(s): Rachel L. Dennis | Heng W. Cheng

Meta-analysis of Laying Hen Trials Using Diets With or Without Allzyme® SSF Enzyme Complex

Author(s): D.M. Hooge | J.L. Pierce | K.W. McBride | P.J. Rigolin

Effect of Using Different Levels of Iron with Zinc and Copper in Layer’s Diet on Egg Iron Enrichment

Author(s): Nehad A. Ramadan | Amal S. Omar | A.S.A. Bahakaim | Sahar M.H. Osman

Presence of Males Within Laying Hens Affects Tonic Immobility Response and Sociality

Author(s): Khaled Ghareeb

Penggunaan Formula Mineral Lokal dalam Ransum Ayam Petelur

Author(s): Khalil

EFFECT OF MASH DIETARY FIBER ON PERFORMANCE AND CANNIBALISM IN LAYING HENS

Author(s): S. Hartini | M. Choct

Laying Performance of Wareng Chicken under Free Choice Feeding and Different Cage Density

Author(s): S. Iskandar

Greenhouse Gas Emissions from Three Cage Layer Housing Systems

Author(s): Sébastien Fournel | Frédéric Pelletier | Stéphane Godbout | Robert Lagacé | John Feddes

STUDIES ON PHYSICAL PROPERTIES OF BUKIT KAMANGS’ LIMESTONE AS MINERAL SOURCE FOR LAYING HENS

Author(s): Khalil | B. Primasari | S. Anwar

Buckwheat bran (Fagopyrum esculentum) as partial replacement of corn and soybean meal in the laying hen diet

Author(s): Maria Novella Benvenuti | Lorella Giuliotti | Domenico Gatta | Marco Bagliacca

Phytate phosphorus utilization and intestinal phytase activity in laying hens

Author(s): Alaeldein M. Abudabos

Infectious Bronchitis Vaccination Protocols for Laying Hens

Author(s): A. Sulaiman | J. R. Roberts

Effect of Dietary Supplementation with Different Levels of Arginine on Some Blood Traits of Laying Hens

Author(s): Ali S.A. Al-Hassani

The Physical and Laying Characteristics of Golden Sex-Linked Hens under the Humid Tropical Environment

Author(s): A.O. Ani | M.E. Nnamani

Waterer systems for semi heavy hens in the summer Bebedouros para poedeiras semipesadas no verão

Author(s): Elcio Silverio Klosowisk | Ricardo Vianna Nunes | Franciele Clenice Navarini | Paulo Cezar Pozza | Cristiane Vilela Nunes | Cristiane Orlando | Cinthia Eyng | Silvano Richart

Desempenho e qualidade dos ovos de poedeiras comerciais submetidas às dietas com diferentes óleos vegetais Performance and quality of eggs of commercial laying hens submitted to the diets with different vegetal oils

Author(s): Maria do Socorro Vieira dos Santos | Gastão Barreto Espíndola | Raimundo Nonato Braga Lobo | Maria de Fátima Freire Fuentes | Luiz Euquério de Carvalho | Adriano Barreto Espíndola Santos

Economic evaluation of the tomato and guava residues inclusion in laying hens ration Análise econômica da inclusão dos resíduos de goiaba e tomate na ração de poedeiras comerciais

Author(s): Edney Pereira Silva | Carlos Bôa-Viagem Rabello | Wilson Moreira Dutra Júnior | Riviana Roberta de Souza Loureiro | Andréa Aparecida de Souza Guimarães | Michele Bernardino de Lima | Emmanuele Maria Florêncio de Arruda | Rodrigo Barbosa-Lima

Utilizating various levels of metionine+cystine on rations of laying hens up 45 weeks of age Níveis de metionina+cistina no desempenho de poedeiras comerciais leves com

Author(s): Maria José Baptista Barbosa | Rejane Machado Cardozo | Vera Lúcia Ferreira de Souza | Max Emerson Rickli

Quality of eggs of lay hens stored at different temperature and storage conditions Qualidade de ovos de poedeiras semipesadas armazenados em diferentes temperaturas e períodos de estocagem

Author(s): Elis Regina de Moraes Garcia | Camila Cristina Oliveira Orlandi | Carlos Antonio Lopes de Oliveira | Flavia Kleszcz da Cruz | Tânia Mara Baptista dos Santos | Luciana Kazue Otutumi

Use of leucaena leaf-meal in the diets for molt induction in laying hens Utilização do feno da folha da leucena em rações para indução de muda forçada em poedeiras comerciais

Author(s): Ednardo Rodrigues Freitas | Francislene Silveira Sucupira | Ivan Bezerra Filho Quevedo | Rachel Fernandes da Silva Oliveira | Francyelle Gurgel de Castro Alves | Anna Beatriz Rêgo do Carmo

Lighting programs for semi-heavy layers

Author(s): Clóvis Eliseu Gewehr | Vladimir de Oliveira | Marcos Rosniecek | Diogo Davi Follmann | Ana Maira de Cezaro

Brucella spp. Lumazine synthase as a novel immunomodulator to produce egg yolk antibodies

Author(s): Fernando Goldbaum | Andrés Wigdorovitz | María José Dus Santos | Diego Gonzalez | Demian Bellido | Pablo Chacana | Marina Mozgovoj

Frequency and Persistence of Fecal Shedding Following Exposure of Laying Hens to Different Oral Doses of Salmonella enteritidis

Author(s): Richard K. Gast | Rupa Guraya | Peter S. Holt

Effect of Adding Flaxseed in the Diet of Laying Hens on Both Production of Omega-3 Enriched Eggs and on Production Performance

Author(s): Afaf Y. Al-Nasser | Abdulameer E. Al-Saffar | Faten K. Abdullah | Mariam E. Al-Bahouh | Gehan Ragheb | Magdy M. Mashaly

Brucella spp. Lumazine synthase as a novel immunomodulator to produce egg yolk antibodies

Author(s): Fernando Goldbaum | Andrés Wigdorovitz | María José Dus Santos | Diego Gonzalez | Demian Bellido | Pablo Chacana | Marina Mozgovoj

The Effect of Dietary Nonphytate Phosphorous and Vitamin D3 on Performance and Egg Shell Quality of Laying Hens During Late Laying Period

Author(s): S . Canan Bolukbasi | Saban Celebi | M. Kuddusi Erhan

Influence of Supplemental Calcium on Production Parameters and Eggshell Quality of Laying Hens in Late Laying Period

Author(s): Saban Celebi | S. Canan Bolukbasi

Effects of Dietary Probiotics on Performance, Egg Quality and Yolk/Serum Cholesterol of Laying Hens

Author(s): Sattar Bageridizaj | Rasoul Pirmohammadi | Vasileios Bampidis

Effect of strain and storage period on egg quality characteristics of local Iraqi laying hens

Author(s): H. N. Hermiz | K. A. Abas | T. R. Al-Khatib | Sh. M. Amin , | A. M. Ahmed , | D. A. Hamad , | H. P. Denha

Effects of dietary inclusion of alfalfa (Medicago sativa L.) leaf meal and Xylam enzyme on laying hens' performance and egg quality

Author(s): Mutahar A. Al-shami, | Mohamed E. Salih | Talha E. Abbas

THE INFLUENCE OF INDUCING EARLY REPRODUCTIVE ACTIVITY IN YOUNG HENS AND ROOSTERS OF EGG-LAYING TYPE BREED

Author(s): V MICLEA | D LADOSI | I LADOSI | M ZAHAN

USING CORN DISTILLER’S GRAIN AND RICE BRAN IN THE NUTRITION OF LAYING HENS AND ITS ECONOMIC IMPACT

Author(s): A POPESCU | G CIURASCU

DRY BIOMASS OF FRESH WATER ALGAE OF CHLORELLA GENUS IN THE COMBINED FORAGES FOR LAYING HENS

Author(s): SVETLANA GRIGOROVA

THE EFFECT OF BIOMASS FROM GREEN ALGAE OF CHLORELLA GENUS ON THE BIOCHEMICAL CHARACTERISTICS OF TABLE EGGS

Author(s): SVETLANA GRIGOROVA | SABKA SURDJIISKA | VENETA BANSKALIEVA | GEORGI DIMITROV

USING RICE BRAN IN LAYING HEN DIETS

Author(s): H ERSIN SAMLI | NIZAMETTIN SENKOYLU | HASAN AKYUREK | AYLIN AGMA

EVALUATION OF FERMENTED PALM KERNEL MEAL AND FERMENTED COPRA MEAL PROTEINS AS SUBSTITUTE FOR SOYBEAN MEAL PROTEIN IN LAYING HENS DIETS

Author(s): F DAIRO | A FASUYI

EGG ALBUMEN QUALITY AS AFFECTED BY BIRD ORIGIN

Author(s): LIDIA LEWKO | EWA GORNOWICZ

INFLUENCE OF PLANT ESSENTIAL OILS ON SELECTED PARAMETERS OF THE PERFORMANCE OF LAYING HENS

Author(s): Henrieta ARPÁŠOVÁ | PETER HAŠČÍK | Jozef BUJKO

EFFECT OF DIETARY SODIUM SELENITE AND SE-ENRICHED YEAST ON EGG-SHELL QUALITATIVE PARAMETERS OF LAYING HENS EGGS

Author(s): Henrieta ARPÁŠOVÁ | PETER HAŠČÍK | Martina HANOVÁ | Jozef BUJKO

THE EFFECT OF ENZYMATIC ADDITIVES ON THE PRODUCTIVITY OF LAYING HENS ISA BROWN

Author(s): Branislav Gálik | Erika HORNIAKOVÁ

Effects of feeding diets supplemented with vitamin E and vitamin C on performance, egg quality and stereological and structural analysis of the liver of laying hens exposed to heat stress

Author(s): Muhammet K. Erhan | Saziye C. Bölükbaşi

The effects of preparing methods and enzyme supplementation on the utilization of brown marine algae (Sargassum dentifebium) meal in the diet of laying hens

Author(s): Mohammed A Al-Harthi | Ahmed A. El-Deek

The influence of the cage system and colonisation of Salmonella Enteritidis on the microbial gut flora of laying hens studied by T-RFLP and 454 pyrosequencing

Author(s): Nordentoft Steen | Mølbak Lars | Bjerrum Lotte | De Vylder Jantina | Van Immerseel Filip | Pedersen Karl

Differential expression of alpha 2 macroglobulin in response to dietylstilbestrol and in ovarian carcinomas in chickens

Author(s): Lim Whasun | Jeong Wooyoung | Kim Ji-Hye | Lee Jin-Young | Kim Jinyoung | Bazer Fuller | Han Jae Yong | Song Gwonhwa

Effect of enzyme supplementation and wheat middlings as an alternative to corn on laying hens performance

Author(s): Alaeldein M. Abudabos

Modulation of Plasma Levels and Percentages of Incorporation of ?-3 PUFAs in Egg Yolk under the Influence of Supplementation Sources Rich in Omega 3 to Diet of Laying Hens

Author(s): Maria Carolina Goncalves Pita | Paulo Reis de Carvalho | Eduardo Piber Neto | Cassio Xavier de Mendonca

Lipid Profile of the Yolk under the Influence of Supplementaries Sources Rich in O-3 PUFAs in the Diet of Laying Hens in the Time

Author(s): Paulo Reis de Carvalho | Maria Carolina Goncalves Pita | Eduardo Piber Neto | Cassio Xavier de Mendonca

Serum biochemical profile of laying hens in the region of Araçatuba, SPPerfil bioquímico das galinhas poedeiras na região de Araçatuba-SP.

Author(s): Tatiana de Sousa Barbosa | Carolina Kimie Mori | Lorrayne Bernegossi Polônio | Elisa Helena Giglio Ponsano | Paulo César Ciarlini

Use of Distillers Dried Grains with Solubles (DDGS) as Replacement for Soybean Meal in Laying Hen Diets

Author(s): A.A. Ghazalah | M.O. Abd-Elsamee | Eman S. Moustafa

Antibody levels against Newcastle Disease Virus in chickens in Rajshahi and surrounding districts of Bangladesh

Author(s): Khandoker Mohammad Mozaffor Hossain | Md. Yamin Ali | Ichiro Yamato

GLUTAMINA NA DIETA DE POEDEIRAS LEVES SUBMETIDAS AO ESTRESSE PELO CALOR E À TERMONEUTRALIDADE

Author(s): KELEN CRISTIANE ZAVARIZE | JOSÉ ROBERTO SARTORI | ANTONIO CELSO PEZZATO | EDVALDO ANTONIO GARCIA | VALQUÍRIA CAÇÃO CRUZ

Milheto na alimentação de poedeiras = Pearl millet in the diet of laying hens

Author(s): Ana Flávia Quiles Marques Garcia | Alice Eiko Murakami | Antonio Cláudio Furlan | Ely Mitie Massuda | Alexandra Potença | Ivan Camilo Ospina Rojas

Effects of dietary minerals on postmolt performance of laying hens

Author(s): Sohail Hassan Khan | Abdul Rehman | Ansari Jehanzeb

Effect of Njangsa Oil Seeds (Ricinodendron heudelitii) on Expression of Stearoyl-coenzyme a Desaturase in Laying Hens

Author(s): Samuel Besong | Celestine Fosung | Ayasha Jones | Vincent Fondong

Frequency and Magnitude of Internal Organ Colonization Following Exposure of Laying Hens to Different Oral Doses of Salmonella enteritidis

Author(s): Richard K. Gast | Rupa Guraya | Jean Guard | Peter S. Holt

Effects of treatment methods on the nutritional value of cotton seed cake for laying hens

Author(s): David Friday Apata

Effects of Dietary Inclusion of Guar Meal Supplemented by β-Mannanase on Performance of Laying Hens, Egg Quality Characteristics and Diacritical Counts of White Blood Cells

Author(s): Mohammad Ehsani | Mehran Torki

Dietary Inclusion of Probiotics, Prebiotics and Synbiotic and Evaluating Performance of Laying Hens

Author(s): Mohammad Zarei | Mohammad Ehsani | Mehran Torki

Performance of layer or broiler breeder hens varies in response to different probiotic preparations

Author(s): Mehmet Bozkur | Kamil Küçükyilmaz | Veysel Ayhan | Metin Çabuk | Abdullah Uğur Çatli

Laying hen and pig livestock contribution to aerial pollution in Slovenia

Author(s): Dobeic M. | Pintarič Š.

Typing of Campylobacter jejuni and C. coli isolated from laying hens during the production cycle

Author(s): Antonio Camarda | Elena Circella | Donato Pennelli | Anna Madio | Giordano Bruni | Vito Lagrasta

Dietary conjugated linoleic acid supplementation of laying hens: effects on egg fatty acid composition and quality

Author(s): A. Meluzzi | N. Tallarico | F. Sirri | G. Minelli | A. Franchini

The welfare evaluation of laying hens reared with alternative housing systems

Author(s): A. Dalle Zotte | F. Gottardo | L. Ravarotto | S. Bertuzzi

Effect of an esterified glucomannan on laying hens exposed to combined mycotoxins (aflatoxin B1, zearalenone and fumonisin B1)

Author(s): L. Rizzi | M. Simioli | A. Altafini | A. Zaghini

Effects on egg yolk colour of paprika or paprika combined with marigold flower extract

Author(s): Kanda Lokaewmanee | Koh-en Yamauchi | Tsutomu Komori | Keiko Saito

Can vitamin C elevate laying hen performance, egg and plasma characteristics under normal condition?

Author(s): Ali A. Saki | Masud M. H. Rahmati | Poua Zamani | Khalil Zaboli | Hamid R. H. Matin

Duckweed as a Feed Ingredient in Laying Hen Diets and its Effect on Egg Production and Composition

Author(s): K.E. Anderson | Z. Lowman | Anne-Marie Stomp | Jay Chang

Effect of Omega-3 Enriched Layer Rations on Egg Quality

Author(s): S. Dunn-Horrocks | M. Pichardo-Fuchs | J. Lee | C. Ruiz-Feria | C. Creger | D. Hyatt | K. Stringfellow | M. Sanchez | M. Farnell

Detection of Salmonella and Escherichia coli in Egg Shell and Egg Content from Different Housing Systems for Laying Hens

Author(s): Wiriya Loongyai | Benjamaporn Wiriya | Naruemol Sangsawang

Effect of Rearing Dietary Regimen, Feeder Space and Density on Egg Production, Quality and Size Distribution in Two Strains of Brown Egg Layers

Author(s): K.E. Anderson | P.K. Jenkins

Use of Full Diallel Cross to Estimate Crossbreeding Effects in Laying Chickens

Author(s): Waleed M. Razuki | Sajida A. AL-Shaheen

Effects of Zinc Supplementation on Laying Performance, Serum Chemistry and Zn Residue in Tibia Bone, Liver, Excreta and Egg Shell of Laying Hens

Author(s): O.M.O. Idowu | R.O. Ajuwon | A.O. Oso | O.A. Akinloye

Changes in Peyers Patch and Cecal Tonsil B Lymphocytes in Laying Hens Following Challenge with Salmonella enterica Serovar Enteritidis

Author(s): Peter S. Holt | Lara E. Vaughn | Richard K. Gast

Aqueous Extract of Hibiscus sabdariffa Calyces Reduces Serum Triglycerides but Increases Serum and Egg Yolk Cholesterol of Shika Brown Laying Hens

Author(s): S.A. Habibullah | L.S. Bilbis | M.J. Ladan | O.P. Ajagbonna | Y. Saidu

Utilization of Eco-Feed Containing Mugwort Microorganism Compounds as a Feed Ingredient Source for Layer Hens

Author(s): J. Ruttanavut | K. Yamauchi | N. Thongwittaya