UPV Theses and Dissertations
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Item The socio-economic factors that affect the in-migration decision of street vendors in downtown Iloilo CityBebis, Mary Grace C.; Benetiz, Earl Cexanne B. (Division of Social Sciences, College of Arts and Sciences, University of the Philippines Visayas, 2010-03)The lack of employment opportunities and poverty encourages migration from the rural to urban areas. This study aimed to determine the socio-economic factors that affect the in-migration decision of street vendors in downtown Iloilo City. The data were gathered through purposive sampling of sixty street vendors. The results indicated that the respondents main reason for migrating is the perceived availability of job opportunities in the city. However, information asymmetry, disproved this notion. Age is the only significant factor which contributed in migration decision in this study. The younger an individual is, the higher is the tendency to migrate. Currently, there are no local policies geared towards the welfare of the street vendors. It is highly recommended that the street vendors should be relocated at one place and development of the neighboring towns of Iloilo City be effected to curb the influx of in- migration.Item Diversity and population structure of sea cucumber species in Taklong Island Marine Reserve, GuimarasBearnod, Christine F. (Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, 2014-04)The increasing demand of sea cucumbers in the market leads to the global exploitation of this animal. Marine reserve protects the marine biodiversity and teaches the people in the communities to manage their marine resources wisely. This study examined the diversity, species characteristics and population structure of sea cucumbers in five sites around Taklong Island Marine Reserve namely, Binabaywan, Kalirohan, south side of 2nd sandbar, north side of 2nd sandbar and Tarakpan. The species composition and abundance were determined through transect walks and plot along transects. Sea cucumber density was estimated by randomly positioned 1 square meter plots in each site. There were 11 sea cucumber species found. There were 9 species under Order Aspidochirota all in 1 Family Holothuriidae and 2 species in Order Apodida in 1 Family Synaptidae. A total of 64 individuals were sampled in 5 sites. The most widespread and the dominant species was the non-commercially valuable Synapta maculata (n = 32) followed by the low-value Holothuria pulla (n = 9) and Holothuria atra (n = 8). Kalirohan had the most number of species (Σs = 6) and individuals of sea cucumbers. The low number of holothurian species encountered in the Marine Reserve might be due to the limited sites surveyed, cryptic behaviour of the species and the possibility of poaching in the area.Item Survival and growth of the sea cucumber Holothuria scabra (Jaeger) juveniles reared at different dietsBaylon, Basil C. (Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, 2009-03)Sea cucumbers are economically important species, with high demand in local and international markets. Overharvesting due to this high demand causes depletion of wild populations of sea cucumbers. Stock enhancement has been resorted to improve the status of natural populations. This will need the development of rearing technology which includes studies on the effects of different diets on sea cucumber juveniles. In this study, the effects of five diets on growth and survival of sea cucumber Holothuria scabra juveniles were compared. The five treatments used were benthic diatoms (Navicula sp.) alone, combination of benthic diatoms and seaweed (Sargassum sp.) extract, seagrass extract alone, combination of benthic diatoms and seagrass (Thalassia sp.) extract, and commercial shrimp feed. Three replicates were used for each treatment. For every replicate. 10 juveniles with body length 1-2 mm were reared in a 3-L culture container with seawater and no sand substrate. Salinity ranged from 32-35 ppt and the temperature from 26-29°C. It was observed that there was a trend of increasing body weight, body length, and body width of juveniles as weeks of culture progressed. After 7 weeks of culture, best weight gain, increase in body length and body width was achieved in juveniles fed with either benthic diatoms alone or combination diet of benthic diatoms and seaweed extract. There was high survival in all feeding treatments except in H. scabra juveniles fed with commercial shrimp feed. The lowest body weight, length and width and lowest survival were consistently obtained from juveniles given commercial shrimp feed.Item Marketing of milkfish fry in Pandan, AntiqueBayaras, Dinah A. (Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, 1995-03)This study describes and analyses the marketing, channels, functions/practices, costs, margins, and shares received by each marketing channel, net price of milk-fish fry received by fry catchers, and the problems encountered in the marketing of milkfish fry in Pandan, Antique. Using a separate interview schedule for each kind of respondent, 40 fry catchers are asked about their latest catch on a per-day basis, and the ten middlemen were interviewed about their last transaction/s. Results showed that from the fry catchers, the 4,218 milkfish fry are sold to three types of middlemen: the commissionman, wholesaler and facilitative organization. Fifty-nine percent of the milkfish fry go to the facilitative organisation, twenty-three percent to the commissionman, and eighteen percent to the wholesaler. From the three types of middlemen, only 86 7, of what they’ve purchased were sold of the 3,610 milkfish fry sold, 55% of it go to the wholesaler/retailer. Others go outside of the municipality. All of the wholesaler/retailer purchases go outside of the municipality. The pre-sale practices performed by the fry catchers include gathering, counting, sorting, storing, and transporting, while the middlemen perform counting, sorting, storing, packaging, and transporting. In performing the five pre-sale practices by the fry catchers, the cost of P16.95 is incurred. These are all noncash costs. The cost of P4.0012 for the depreciation cost of marketing investment items and the mortality cost of P12.95 - This includes the allowance for mortality given to the buyer as well as the actual deaths of milkfish fry - are the composition of the marketing costs. The net. The price of milkfish fry is P0.24/piece. But 23% of the opportunity cost of labor was forgone. The pre-sale practices performed by each type of middleman involved in the marketing of milkfish fry accumulated a distinct cost for each type. For the commissionman, he has a total of P87,3367 marketing cost. The wholesaler incurred — 117.996, the facilitative organization has P570.4867, and the wholesaler/retailer has Pl,365.7987. The middleman who has the highest net return in terms of percentage of average revenue is the commissionman (70.62%), followed by the wholesaler (69.76%), then the facilitative organization (57.89%), and the smallest is received by the wholesaler/retailer (37.54). followed by the facilitative middleman (P0.21), and then the In terms of gross margin received by each type of middleman, the highest shareholder is the wholesaler /retailer (P0.28), then the wholesaler (PC, 23), and the commissionman (P0.06). The problems of poor transportation facilities, insufficient capital, communications in pricing, excessive mortality rates, and the absence of a buyer are the bottlenecks in the marketing system. These problems produce a bad outcome for the middlemen by increasing their losses.Item Marketing of Pina fiber in Balete, AklanBarrios, Jerson T. (Division of Social Sciences, College of Arts and Sciences, University of the Philippines Visayas, 1995-12-01)This study describes and analyses the different marketing channels, functions, costs, margins, and the different problems encountered by both producers of pina and middlemen of pina fiber in Balete, Aklan. Of the four barangay sampled, primary data were obtained from ten (10) producers who were asked about their recent halved, and 34 middlemen were consequently interviewed based on their last week’s operations. Results of the study show that out of the 40.200 pina leaves harvested by producers, scrapers absorbed the bulk or 69.71 %(24,900), while the legist fraction of .99% was token by producer-scrapers-trader. Highest prices paid for pina leaves at P0.35 was accorded by producer-scrapper-knotter while scraper-knotter offered the least price at P.25. Despite of the five marketing activities performed, and corresponding costs on marketing Investments, producers still incurred positive financial net farm price of P.217. By marketing functions, seven types of middlemen were observed, namely: scrapers, producer-scrapers, scraper-knotters, producer-scraper-knotter, knotters, producer-scraper-trader, and traders—who essentially perform an overlap of functions. Though all types of middlemen incurred positive gross margin, not everyone experienced positive not margins and net returns. With the bulk of transactions disposed by traders (1,668.125 leaves) and producer-scraper trader (2,000 leaves), these two types of middlemen received positive financial net margins and returns. Of the different marketing problems cited, majority the majority of producers and middlemen were unanimous in pointing at low price of the product as their biggest constraint Other than the need to increase the price, organizing a cooperative and support from the local government, this study suggests, that due to foe duplication of function among types of middlemen, specialization on a particular function (e.g, scraper or knotter— alone) is a must in order to curb the circuitous and dragging flow of the product and lessen costs on labor.Item Marketing of milkfish in Iloilo CityDe la Gente, Alice Joan S. (Division of Social Sciences, College of Arts and Sciences, University of the Philippines Visayas, 1991)This study describes the marketing practices, costs, net farm price received by the producers, gross margin received by the middlemen and the problems encountered in milkfish marketing in IIoi1o City. Primary data was gathered from 24 producers who were interviewed about their 1ast harvest and 56 midd1emen who were interviewed about their last week's transaction. Of the total volume sold by the producers (30360kg , 86.83% went to the commission men. The highest price, P55/kg, was received by the producers from the institutional buyer, while the lowest price, p38.48/kg, was received from the commission men. The marketing costs received were P5.40/kg and P5.61/kg by the producers who sold locally and in Manila, respectively. The commission men's fee accounted for the largest share of marketing costs of both the producers who sold locally (P2.36/kg) and in Manila (P2.50/kg). The net farm prices received were P35.30/kg and P33.72/kg by producers who sold milkfish locally and in Manila, respectively. The producers whose milkfish were sold in Manila received a lower average price with higher marketing costs. By market function, seven types of middlemen were identified: commission man, buyer-seller, wholesaler, wholesaler-shipper, buyer-seller-retailer, wholesaler-retailer, and retailer. The middlemen sold a total volume of 57070.5kg inside (64.037%) and outside (35.977%) the survey area. The commission men sold the highest volume (34.71%) of milkfish. The wholesaler-retailers received the highest average selling price of P47.75/kg. The wholesaler-shippers had the highest gross margin ( P8.22/k kg) while the wholesaler—retailers who sold outside the survey area had the highest net return ( P3.97/ kg ) The low price of milkfish was the main problem of both producers and middlemen. The milkfish marketing involved many channels, primarily brought about by the presence of too many types of middlemen who practiced intertrading among each other. Thus, there was a duplication of the performance of marketing practices among types of middlemen, which increased the marketing costs and correspondingly raised the prices of milkfish.Item Determination of the concentration of essential minerals (Ca, Fe, K, Mg, Na, Zn) in honey samples from Negros OccidentalArellano, Lory Mae F. (Department of Chemistry, College of Arts and Sciences, University of the Philippines Visayas, 2018-06)Honey is a natural, sweet and highly nutritional substance produced by bees through a series of nectar collection and chemical processes. Due to the popularity of the product, certain regions in the Philippines has been producing honey and recently, different apiaries from Negros Occidental has been producing its own share of popular product in the market. The products are well received by the consumers, but the problem is the lack of characterization which gives the product doubtful and unconfirmed nutritional value. This study focuses on the quantification of essential minerals (Ca, Fe, K, Mg, Na, Zn) present in local honey samples from Negros Occidental. Eight honey samples were obtained from the different apiaries including an external sample from Mindoro. Samples were acid digested using HNO3/H2O2 solution at 130 °C. The concentration of each minerals in the honey samples were analyzed using AAS. The data reported high concentration (5.71 to 93.20 ppm) of K on most of the samples. The second most abundant mineral in the local honey is Ca ranging from 13.67 to 45.88 ppm. The Mg concentration ranges from 1.19 to 4.09 ppm while Na is in between 0.82 to 3.14 ppm. The mineral Zn and Fe contained the lowest concentration in most of the samples with Zn at 0.46 to 0.86 ppm and Fe at 0.04 to 0.30 ppm.Item A study of the performance of the marketing intermediaries at the Iloilo fishing port complexAcanto, Jan B. (Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, 1989-03)This research study presents an analysis on the performance of the marketing intermediaries at the Iloilo fishing Port Complex. The following types of intermediaries are involved in marketing fish landed at IFPC: brokers, wholesalers, bulanteros, and retailers. Brokers assemble and dispose the fish of producers while the wholesalers, bulanteros and retailers create the forms, time and place utilities. The results show that fish marketing intermediaries perform functions which are vital in the fish marketing system. Average costs per week were ₱13.67, ₱46.54 and ₱77.26 per tub for the brokers, wholesalers, and retailers, respectively. The average volume handled per week is 4,641.17 kilograms. Cost and returns analysis for all intermediaries showed that the average not return above total cost is ₱2.36 per kilogram. The average total income above total cost is ₱10,953.18 per week. The rate of return to capital, operator’s labor, and entrepreneurship is 14.49 percent. Efficiency of each type of intermediary _ could not be measured due to the fact that the sample size of each type is not sufficient to obtain significant results. In relation to this, a further study that could measure the efficiency of each intermediary is recommended by the researcher.Item Value chain analysis of sergestid shrimp (Acetes Spp.) in Oton and Tigbauan, IloiloAndres, Junaelle Kyla B.; Iguban, Myra Marie B. (Division of Social Sciences, College of Arts and Science, University of the Philippines Visayas, 2014-04)The sergestid shrimp industry in the municipalities of Oton and Tigbauan has contributed to income and employment of the local shrimp catchers, traders, and processors. This study described and analyzed the value chain of sergestid shrimp in these municipalities. Specifically, the study described the market actors, their marketing practices, and the value chain; determined the revenues received, costs incurred, and gross margins received by the market actors; identified roles performed by the men and women in the sergestid shrimp value chain; and identified the problems facing the market actors. Data were collected from personal interviews of 14 shrimp catchers, 9 raw shrimp traders, 11 shrimp processors, and one shrimp product trader. The shrimp catchers caught an estimated 132,758 kilograms of shrimp in a year. Most were sold (129,182 kilograms, 97.31%), with only the three commission houses handling an estimated 128,702 kilograms (96.94%). The major outlets of the commission houses included raw shrimp retailers and different types of shrimp processors. The highest average selling price (P372.73/kg), gross margin (P168.65/kg), and net returns (P161.39/kg) was received by one shrimp product retailer. Generally, the shrimp catchers were price takers, with the commission people as quantity leaders and seemingly price leaders. The net added value of shrimp increases as it is transformed into new forms such as the shrimp paste, dried shrimp, and shrimp mill. The men performed more strenuous roles (such as catching, hauling, and loading shrimp) while the women performed more time-consuming roles (buying inputs in catching or processing and selling). Adding value to the raw shrimp through processing can increase returns. Creative ways to create demand for raw and processed shrimp should be introduced. New processing technology, new market outlets for processed shrimps, and better packaging can increase demand for processed shrimp. With more players in the market, price can be set by more players.