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HISTOPATHOLOGICAL APPEARANCE OF THYMUS ON BROILER UNDER CHRONIC HEAT STRESS Andriani, Ratna; Arimbi, Arimbi; Rahardjo, Dadik; Plumeriastuti, Hani; Legowo, Djoko; Hestianah, Eka Pramyrtha
Journal of Basic Medical Veterinary Vol. 8 No. 1 (2019): Journal of Basic Medical Veterinary, June 2019
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/.v8i1.19987

Abstract

The aim of this research was to know histopathological change of broiler's thymus which exposed by chronic heat stress. The results revealed that there were negative impact on immune organ (thymus). Broiler that exposed to chronic heat stress showed significantly increased number of heterophil and apoptosis histiocytes and cell depletion. There were 20 broilers that divided into 2 groups, each group consist of 10 broiler. Control group (P0) reared at temperature 24-28oC and humidity 40-55% and Heat Stress group (P1) reared at temperature 36-40oC on the litter housing system at Experimental Animals Laboratory, Faculty of Veterinary Medicine, Universitas Airlangga. Before the treatments, broiler had been reared from day-old-chicks to 21-day-old, then continued with heat stress condition from day 22 to 42. Thymus was collected on day 42 to examine histopathological change of thymus and analyzed using Mann-Whitney Test. The results showed significant difference (P<0.05) between Control group and HS (Heat Stress) group by increased number of heterophil, apoptosis histiocytes and cell depletion.
Awareness, Barriers and Intention to Implement Sustainable Construction Among Construction’s Team in Indonesian State-Owned Construction Company ROHIM, Andri; TANUDJAYA, Yucelline; KARIM, Azwan; ANDRIANI, Ratna
International Journal of Environmental, Sustainability, and Social Science Vol. 4 No. 6 (2023): International Journal of Environmental, Sustainability, and Social Science (Nov
Publisher : PT Keberlanjutan Strategis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38142/ijesss.v4i6.954

Abstract

The construction industry not only has significant impact to Indonesian’s economic development but also to social and environment matters. Sustainable construction is the key to minimize current and future environment and social impact. This paper reports the results of a study about the correlation of sustainable construction (SC) awareness and intentions to implement sustainable construction in one of Indonesian state-owned company. This entails identifying the current status of SC practices, the awareness level of construction teams, the intentions to implement SC, as well as barriers to Implement SC. After comprehensive reviewing the literature, the data is conducted and collected through quantitative approach through questionnaires survey using random sampling techniques. Authors targeted 262 construction teams associated with the Indonesian state-owned construction company as the population and get the feedback as 266 completed questionnaires were received. The data then analyzed through descriptive analysis and Partial Least Square analysis using SmartPLS version 3.9.0. The main findings of this research are as follows: awareness level of SC in Indonesian state-owned construction company is moderate level, and the intention to implement SC is high; awareness has no significant effect for intention to implement SC , So that Indonesian Government should need more campaign and strategies to improve and encourage this concept; in order to be applied efficiently in future projects, it’s because material, competence, cost, and time were found to be the main barrier to implement SC on this study.
Pertumbuhan dan Produksi Pisang Cavendish Dataran Tinggi di Blitar, Jawa Timur Andriani, Ratna; Rahayu, Megayani Sri
Buletin Agrohorti Vol. 11 No. 3 (2023): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrob.v11i3.49366

Abstract

Evaluasi pertumbuhan dan produksi tanaman merupakan salah satu cara untuk mengetahui sejauh mana generasi tanaman dapat mempertahankan produksi yang stabil. Penelitian dilakukan pada Januari hingga Juni 2020 di Blitar, Jawa Timur. Tujuan penelitian untuk mempelajari dan mengevaluasi pertumbuhan dan produksi pisang cavendish dataran tinggi. Komponen pertumbuhan yang dievaluasi adalah tinggi tanaman, lingkar batang, dan jumlah daun. Data diambil dari 5 blok berbeda sebagai ulangan dan setiap ulangan terdiri atas 10 tanaman contoh. Komponen produksi yang diamati adalah umur buah saat panen, ukuran skim, bobot tangkai tandan, jumlah sisir, jumlah buah per sisir, dan bobot bersih tandan. Pengamatan komponen produksi dilakukan pada saat kegiatan panen sebanyak 3 kali ulangan berdasarkan perbedaan hari panen dan setiap ulangan terdiri atas 10 blok berbeda. Analisis data hasil penelitian menggunakan analisis ragam pada taraf α=5% dan uji lanjut Duncan Multiple Range Test (DMRT). Hasil analisis terhadap pertumbuhan dan produksi menunjukkan bahwa tanaman induk memiliki laju pertumbuhan dan keragaan yang cenderung lebih baik sedangkan produksi tanaman setelah tanaman induk cenderung lebih tinggi. Hasil tersebut menunjukkan bahwa potensi generasi tanaman setelah tanaman induk adalah sama atau lebih baik dari tanaman induk. Kata kunci: anakan, produksi, tanaman induk, tandan