Judul: Performa produksi ulat tepung (Tenebrio molitor L.) dengan dan tanpa penambahan cahaya lampu dengan selang penggantian pakan yang berbeda
Abstrak: People believe if lamp was added it will boost mealworm growth, despite mealworm is a nocturnal animal. This reasearch aimed to compare mealworm performances with and without lamp addition in different feed changing interval. This research was done from 2nd of June up to 9'h August 2005, at Non Ruminant and Prospective Animal Division, Animal Production and Technology Departement, Faculty of Animal Science, Bogor Agricultural University. This experiment used 1800 larva which is fed mixed of onggok (75%) and chicken commercial feed (25%). Lights was given for 24 hours with two five watt bulb lights and placed in the middle of experimental boxes. Completely Randomized Design in 3x2 factorial was used as experimental design. The first factor was lights addition: added and not added, and the second was different feed changing interval: every 10,20 or 30 days. Each experiment has three replications so it will have 18 experimental units. The observed variables were feed consumption, body weight and length gain, feed convertion and mortality. The obtained data were analized by Analysis of Variance (ANOVA) and tested by Duncan Multiple Range Test. The result showed that without lamp addition had a significant effect (P<0,05) in the body weight gain. Changing feed every 20 days had a significant effect (P<0,05) in body weight gain and changing feed every 30 days had a significant effect too (P<0,05) in feed conversion based on length gain. The result also showed that there is no interaction between those factor. Keywords: mealworm, lights, feed changing interval
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Judul: Performa ulat tepung (Tenebrio molitor L.) pada suhu dan kelembaban yang berbeda
Abstrak: Yellow mealworm is the larval stage of Tenebrio molitor L. beetle. Nowadays, yellow mealworms are reared because of its economic value. Yellow mealworm can be used for feed and food. The growth of yellow mealworms is influenced by temperature and humidity, so a suitable combination of temperature and humidity is necessary for yellow mealworm optimal production.The research was done from July 1 5u~p t o Oktober lo* 2005 at Non Ruminants and Prospective Animals Division, Departement of Animal Production and Technology, Faculty of Animal Science, Bogor Agricultural University. The purpose of this research was to compare the yellow mealworms (Tenebrio molitor L.) growth performances at different temperature and humidity. This research used 1500 yellow mealworms aged 35 days old. The experiment used Completely Randomized Design in 2x2 factorial experiment. The first factor was temperature (29 and 31 OC) and the second factor was humidity (69% and 71%). Each treatment combination had five replicates which consisted 75 yellow mealworms. The observed variables were feed consumption, body lenght and weight gain, feed conversion based on body lenght and weight gain, and mortality. Data were analyzed by using ANOVA and tested with Least Significant Difference Test (SAS 6.12) to know the difference among the treatments. The result showed that the lower temperature (29 OC) with higher humidity (71%) gave the best growth performances for 35-65 days old yellow mealworms. Otherwise, the best growth performances for 65-75 days old yellow mealworms were at higher temperature (3 1 OC) with lower humidity (69%). Keywords : growth performance, Tenebrio molitor L., temperature, humidity
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Judul: Perencanan Lanskap Sunda Kalapa, Jakarta Utara Sebagai Kawasan W isata Sejarah
Abstrak: Perkembangan kota Jakarta dari waktu ke waktu sangatlah cepat, sehingga menyebabkan kota-kota tua banyak yang tergusur untuk dijadikan daerah baru yang lebih modern. Apabila hal tersebut tidak ditanggulangi secara dini maka keberadaan Kota Lama Jakarta akan hilang. Hal inilah yang melatar belakang untuk dilakukan tindakan perlindungan dan revitalisasi kawasan bersejarah Sunda Kalapa.
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