Influence of Conservation Agriculture Practice Systems (caps) to Soil Properties in a Sloping Oxisol in Southern Philippines

Apolinario Jr Gonzaga,Pompe C Sta Cruz,Agustin R Mercado Jr,Nelda Ruba Gonzaga 한국토양비료학회 2014 한국토양비료학회 학술발표회 초록집 Vol.2014 No.6

New Records of Genus Xanthopimpla (Hymenoptera: Ichneumonidae) from Peninsular Malaysia, with Corrections on Previous Records

Gonzaga, A.D.,Idris, A.B. Korean Society of Applied Entomology 2005 Journal of Asia-Pacific Entomology Vol.8 No.4

Fourteen Xanthopimpla species, one species with 3 subspecies, were new records from Peninsular Malaysia. Re-examination of specimens collections from Centre for Insect Systematics, Universiti Kebangsaan Malaysia and from Department of Agriculture. Malaysia revealed that the previously reported new records were misidentified specimens. Details on the examined specimens, photographs, corrections and remarks were presented.

Horizontal and Vertical Distribution of Genus Xanthopimpla (Hymenoptera:lchneumonidae) in an Ecological Plot of Pasoh Forest Reserve, Malaysia

Gonzaga, A.D.,Idris, A.B. Korean Society of Applied Entomology 2004 Journal of Asia-Pacific Entomology Vol.7 No.2

The distribution of Genus Xanthopimpla in an ecological plot in Pasoh Forest Reserve was studied to assess the within-a-habitat diversity of this species. To investigate the horizontal diversity, malaise traps were placed from the edge to the opposite boundary of the ecological plot. For vertical diversity study, framed malaise traps were hanged on tree branches. For horizontal distribution, results showed that Xanthopimpla favors the edge compared to mid or core area, while for vertical distribution, Xanthopimpla species were found only in the ground level. Reasons for low diversity and abundance of Xanthopimpla towards the core area and towards the upper stratum were discussed.

Clinical and radiographic characteristics of pycnodysostosis: A systematic review

Goes Gonzaga Amanda Katarinny,de Oliveira Costa Carla Samily,de Farias Morais Hannah Gil,da Fonseca Neto Braz,Pinto Leão Pereira,Maciel Dantas Wagner Ranier,de Oliveira Patricia Teixeira,de Melo Danie 대한영상치의학회 2024 Imaging Science in Dentistry Vol.54 No.1

Purpose: Pycnodysostosis (PYCD), an autosomal recessive syndrome, is characterized by an imbalance in bone remodeling that produces various clinical and radiographic craniofacial manifestations. This review represents a systematic examination of these manifestations, as well as oral features associated with PYCD. Materials and Methods: A systematic review was conducted across 8 databases from February to March 2023. The search strategy focused on studies reporting cases of PYCD that examined the clinical and radiographic craniofacial and oral characteristics associated with this syndrome. Results: The review included 84 studies, encompassing a total of 179 cases of PYCD. More than half of the patients were female (55.3%), and the mean age was 14.7 years. Parental consanguinity was reported in 51.4% of the cases. The most common craniofacial clinical manifestation was a prominent nose, observed in 57.5% of cases. Radiographically, the most frequently reported craniofacial characteristics included the presence of an obtuse mandibular angle (84.3%) and frontal cranial bosses (82.1%). Clinical and radiographic examinations revealed oral alterations, with micrognathia present in 62.6% of patients and malocclusion in 59.2%. Among dental anomalies, tooth agenesis was the most commonly reported, affecting 15.6% of patients. Conclusion: Understanding the clinical and radiographic craniofacial features of PYCD is crucial for dental professionals. This knowledge enables these clinicians to devise effective treatment plans and improve patient quality of life.

Feed Restriction and Compensatory Growth in Guzerá Females

Neto, S. Gonzaga,Bezerra, L.R.,Medeiros, A.N.,Ferreira, M.A.,Filho, E.C. Pimenta,Candido, E.P.,Oliveira, R.L. Asian Australasian Association of Animal Productio 2011 Animal Bioscience Vol.24 No.6

This study examined the effect of restricting feed intake and the subsequent compensatory growth in Guzera females. Eighteen animals with an initial age of 21 months and a mean weight of 268.17 kg were placed in three groups according to the alimentary regime: feed ad libitum; feed restricted to 20% dry matter; and feed restricted to 40% dry matter. In the restricted feed phase, the dry mater intake decreased as the restriction levels increased, influencing the reduction in intake of other nutrients. In the realimentation phase, the 40% restricted feed group ingested more dry matter (% BW) and crude protein ($weight^{0.75}$) than the group fed ad libitum (p<0.001). The serum nutrient concentrations were inversely proportional (p<0.001) to the restriction level, and there was no difference (p>0.001) in the realimentation phase. In the restricted feed phase, the final live weight decreased (p<0.05) as the restriction level increased. For the daily mean weight gain in the control group, there was no difference (p>0.05) compared to the animals with 20% feed restriction, but this was higher than in the group with 40% feed restriction. In the re-alimentation phase, the group with 40% feed restriction achieved higher weight gain rates, which was different from the control and 20% restriction groups. In both phases, the animals in the group with 40% feed restriction presented better feed conversion which was different (p<0.05) from the control group. In the feed restriction phase, it was observed that the intake of N, nitrogen excreted in feces and urine, nitrogen balance and nitrogen retention decreased (p<0.05) with the restriction level. None of the variables were influenced in the re-alimentation phase. These results show that feed restriction by 40% can be adopted as a nutritional management practice.

Horizontal and Vertical Distribution of Genus Xanthopimpla (Hymenoptera: Ichneumonidae) in an Ecological Plot of Pasoh Forest Reserve, Malaysia

A. D. Gonzaga,A. B. Idris 한국응용곤충학회 2004 Journal of Asia-Pacific Entomology Vol.7 No.2

The distribution of Genus Xanthopimpla in an ecological plot in Pasoh Forest Reserve was studied to assess the within-a-habitat diversity of this species. To investigate the horizontal diversity, malaise traps were placed from the edge to the opposite boundary of the ecological plot. For vertical diversity study, framed malaise traps were hanged on tree branches. For horizontal distribution, results showed that Xanthopimpla favors the edge compared to mid or core area, while for vertical distribution, Xanthopimpla species were found only in the ground level. Reasons for low diversity and abundance of Xanthopimpla towards the core area and towards the upper stratum were discussed.

A Comparative Study of Agricultural Products Wholesale Markets in the Philippines and South Korea for Future Development Planning

Rustom Nono Gonzaga,Hwa Seok Hwang,Dong Hyun Shin 한국국제협력단 2020 국제개발협력 Vol.15 No.2

The significance of the wholesale market institution is that it enables businesses to offer appropriate products, find sellers and buyers in one place, and provide real prices (that are also low) whenever required. This study explores the core features of two wholesale farmers’ markets in the Philippines and in South Korea, such as management systems, marketing systems, promotion mechanisms, prices, and the products sold, with the aim of revealing their main similarities and differences. This study further aims to establish a development strategy so that the results can be utilized for policymaking in other countries too, and suggest implications as well. Based on the findings, Daegu wholesale market is more established than Sentrong Pamilihan when it comes to its operation and market facilities, due to its long history and experience as well as government financial support. A set of key elements is recommended as a guide for future planning, development, and operations in both the wholesale markets. These include enhancing the efficiency of logistics through maintenance and improvement of facilities, strong knowledgeable management, grading, packaging and branding programs, and innovative technologies.

Evaluation of SSR and SNP Markers for Molecular Breeding in Rice

( Zennia Jean Gonzaga ),( Kashif Aslam ),( Endang M. Septiningsih ),( Bertrand C. Y. Collard ) 한국육종학회 2015 Plant Breeding and Biotechnology Vol.3 No.2

Simple sequence repeats (SSRs) have been the marker of choice for rice molecular breeding due to the high level of polymorphism, technical simplicity and low cost. Recent advances in rice genomics have led to the discovery of abundant single nucleotide polymorphism (SNPs) which have enormous potential for rice molecular breeding. To assess both marker systems for molecular breeding in rice, SSR and SNP markers were evaluated on a set of 23 genotypes representing indica germplasm for their usefulness in molecular research and breeding program. Seven hundred SSR and sequence tagged sites (STS) markers and 384 SNPs were screened for polymorphism. Highly polymorphic markers based on polymorphic information content (PIC) values were identified, which will be useful for molecular breeding. Data was used to identify an “indica genotyping set” based on high level of polymorphism, chromosome position and marker quality which will provide kits of markers for marker assisted selection (MAS). Genetic diversity analysis using SSR data was more consistent with pedigrees compared to analysis with SNP data indicating that more than 384 SNPs are required when elite indica breeding material is used. The results also indicated that there were polymorphic “blind spots” for the fixed SNP set suggesting that SSRs could still be used to complement fixed-SNP genotyping platforms for some molecular breeding applications.

Curved beam through matrices associated with support conditions

Faustino N. Gimena,Pedro Gonzaga,José V. Valdenebro,Mikel Goñi,Lorena S. Reyes-Rubiano 국제구조공학회 2020 Structural Engineering and Mechanics, An Int'l Jou Vol.76 No.3

In this article, the values of internal force and deformation of a curved beam under any action with the firm or elastic supports are determined by using structural matrices. The article presents the general differential formulation of a curved beam in global coordinates, which is solved in an orderly manner using simple integrals, thus obtaining the transfer matrix expression. The matrix expression of rigidity is obtained through reordering operations on the transfer notation. The support conditions, firm or elastic, provide twelve equations. The objective of this article is the construction of the algebraic system of order twenty-four, twelve transfer equations and twelve support equations, which relates the values of internal force and deformation associated with the two ends of the directrix of the curved beam. This final algebraic system, expressed in matrix form, is divided into two subsystems: twelve algebraic equations of internal force and twelve algebraic equations of deformation. The internal force and deformation values for any point in the curved beam directrix are determined from these values in the initial position. The five examples presented show how to apply the matrix procedures developed in this article, whether they are curved beams with the firm or elastic support

Solution method for the classical beam theory using differential quadrature

Rajasekaran, S.,Gimena, L.,Gonzaga, P.,Gimena, F.N. Techno-Press 2009 Structural Engineering and Mechanics, An Int'l Jou Vol.33 No.6

In this paper, a unified solution method is presented for the classical beam theory. In Strength of Materials approach, the geometry, material properties and load system are known and related with the unknowns of forces, moments, slopes and deformations by applying a classical differential analysis in addition to equilibrium, constitutive, and kinematic laws. All these relations are expressed in a unified formulation for the classical beam theory. In the special case of simple beams, a system of four linear ordinary differential equations of first order represents the general mechanical behaviour of a straight beam. These equations are solved using the numerical differential quadrature method (DQM). The application of DQM has the advantages of mathematical consistency and conceptual simplicity. The numerical procedure is simple and gives clear understanding. This systematic way of obtaining influence line, bending moment, shear force diagrams and deformed shape for the beams with geometric and load discontinuities has been discussed in this paper. Buckling loads and natural frequencies of any beam prismatic or non-prismatic with any type of support conditions can be evaluated with ease.