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Journal : Buletin Peternakan

PENGARUH SUPLEMENTASI MINYAK IKAN DAN L-KARNITIN DALAM PAKAN JAGUNG KUNING TERFERMENTASI TERHADAP KECERNAAN PAKAN DAN PERFORMA PUYUH (Coturnix coturnix japonica) Sinelsa Wulandari Sani; Setiana Rohmi Heswantari; Sudibya (Sudibya); Sutrisno Hadi Purnomo; Aqni Hanifa
Buletin Peternakan Vol 39, No 1 (2015): BULETIN PETERNAKAN VOL. 39 (1) FEBRUARI 2015
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v39i1.6156

Abstract

The research was aimed to determine the effect of fish oil and L-carnitine supplementation in fermented yellow corn diets on the performance of quail (Coturnix coturnix japonica). The experiment was used 160 quails aged 70 days that were divided into five treatments and four replications. Each replication consisted of eight female quails. The mean initial body weight was 156.60±9.61 g with Coefficient of Variance (CV) of 6.14%. The in-vivo digestibility study was carried out on the last week using total collection method. Two quails were chosen randomly from each cage and placed into individual raised cages. Overall this experiment used 40 quails for nutrient digestibility study. The research was carried out using a completely randomized design. The experimental diets were P0 = basal diet (ricebran, concentrates, yellow corn), P1 = ricebran, concentrate and fermented yellow corn, P2 = P1 feed+10 ppm of L-carnitine, P3 = P2 feed + 4% of tuna fish oil, and P4 = P2 feed + 4% of lemuru fish oil. The observed variables were dry matter digestibility, organic matter digestibility, extract ether digestibility, feedconsumption, HDP, egg weight and feed conversion ratio. The results of variance analysis showed that substitution of yellow corn with fermented yellow corn increased dry matter digestibility, organic matter digestibility, extract ether digestibility, feed intake and egg weight, whereas the addition of L-carnitine inthe diet of fermented yellow corn increased the value of the HDP and improved feed conversion. Substitution of yellow corn with fermented yellow corn in the feed increased dry matter digestibility, organic matter digestibility, extract ether digestibility, egg weight, whereas the addition of L-carnitine 10 ppm in the feed of fermented yellow corn improved the HDP. Suplementation of tuna fish oil 4% in the diets increased egg weight. Suplementation of tuna fish oil and lemuru fish oil in the yellow corn supplemented diets improved feed conversion of quail at production phase.(Key words: Fermented yellow corn, Fish oil, L-carnitine, Growth performance, Japanese quail)
Sustainable entrepreneurial intention among livestock farmers: The role of green entrepreneurial mindset, green entrepreneurial self-efficacy, and environmental awareness Sari, Ayu Intan; Saputro, Ida Nugroho; Purnomo, Sutrisno Hadi; Rahayu, Endang Tri; Emawati, Shanti
Buletin Peternakan Vol 49, No 4 (2025): BULETIN PETERNAKAN VOL. 49 (4) November 2025
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v49i4.109453

Abstract

Sustainable entrepreneurship plays an important role in driving economic growth while addressing environmental and social challenges as part of efforts to realize sustainable development. Sustainable entrepreneurs are motivated by their intention to solve sustainability issues through an entrepreneurial approach. In this context, this study aims to explore the role of green entrepreneurial mindset, green entrepreneurial self-efficacy, and environmental awareness on the cultivation of sustainable entrepreneurial intention among livestock farmers. This study uses a quantitative approach with a survey method of 280 young entrepreneurial respondents in the livestock sector who are interested in sustainable entrepreneurship. Data were collected using a closed questionnaire with a 5-point Likert scale and analyzed using Structural Equation Modeling (SEM) with the help of SmartPLS software. The study findings reveal that a green entrepreneurial mindset has a positive and significant direct and indirect effect on sustainable entrepreneurial intention through green entrepreneurial self-efficacy and environmental awareness. In addition, green entrepreneurial self-efficacy and environmental awareness have a positive and significant effect on sustainable entrepreneurial intention. This study makes an important contribution to understanding how green entrepreneurial mindset, green entrepreneurial self-efficacy, and environmental awareness can drive sustainable entrepreneurial intention in the livestock sector. In addition, the results of this study emphasize the need for an environmentally conscious entrepreneurial approach in managing livestock businesses.