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Pig production is a key livelihood sector and a source of economic and social beneficiaries, which has many interest and interlinked actors. The inventory which includes all resources and the roles played by actors is utmost important in pig farming system. Some stakeholders are interlinked in function, forming a complex system with multi-disciplinary actors. This research aims to distinctively map and provide clear involvement of actors or stakeholders in relation to their contribution towards pig business. As much as 32 institutions were interviewed based on the roles and resources of individuals working inside the organizations formally and informally. The parameters collected inlude the structure, status of law, and types of organization. As well as stakeholders' role, effect, importance, threat, and turn-back impact. The data obtained include resources sharing, duration, continuity, power, and interventions. Those related to intervention were policy, finance, space, time, access, satisfaction, knowledge, skills, threats, and power. In terms of innovation, the data collected include power, finance, space, time, access, satisfaction, knowledge, skills, threats, and power. And were stored in Microsoft excel worksheet and exported to Social Network Visualizer software version 2.5. The key and strategic stakeholder in pig business beneficiary were identified and determined based on power and interest. The following were identified in the first rank: crop farmers, private credit business, village officer, and local community. In the second rank, the factors identified include government (local and national), student community services, and security.

Pig keeping systems consisted of extensive, semi-intensive and intensive systems were studied to seek its performances on pigs and small-scale pig farmers. From six districts and 15 villages, 50 respondents were chosen. Characteristic of farmers and pig keeping systems were studied. Animal number used were 355 tails for measuring pig variables consisted of body weight, reproduction and herd size. Labor and experience were varied among the three pig keeping systems (P<0.05). Animal herd, farrowing rate, suckling piglet number and its body weight, weaned body weight and adult body weight were differ significantly (P<0.05) particularly on semi-penned pig keeping. Pig production efficiency and pig production productivity used as qualitative characteristic were not drawing animal efficiency and producivity.

Untuk mengkaji pengaruh campuran bahan pakan limbah terhadap kecernaan pakan, nutrien, dan performa ternak babi fase starter. Metode: Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap dengan 4 perlakuan dan 3 ulangan. Perlakuan penelitian adalah: P0 (ransum komersial CP551 sebagai ransum kontrol), P1 (ransum campuran dari limbah ikan, ampas tahu, dan limbah sayur), P2 (P1 + dedak padi) dan P3 (P2 + kulit keladi). Penelitian ini menggunakan 12 ekor babi, umur 2 bulan dengan kisaran berat badan awal 5,49 sampai 9,20 kg (koefisien keragaman 16,37%). Pakan penelitian diberikan selama 4 minggu. Variabel yang diukur meliputi rata-rata pertambahan bobot badan (PBB), konsumsi ransum, konversi ransum, total kecernaan pakan dan kecernaan nutrien (protein kasar, serat kasar dan energi metabolis). Hasil: PBB dan konsumsi ransum ternak babi fase starter yang diberikan P1, P2, dan P3 lebih rendah dibandingkan P0, tetapi tidak terdapat efek signifikan terhadap konversi ransum. Pakan perlakuan tidak berpengaruh terhadap total kecernaan pakan, sedangkan efek pada kecernaan nutrien hanya didapatkan pada kecernaan serat kasar (SK). Ternak babi yang diberi P0, P2 dan P3 mempunyai kecernaan SK lebih tinggi dibandingkan P1. Kesimpulan: Campuran bahan pakan limbah mempunyai efek negatif pada performa ternak babi fase starter tetapi tidak berdampak pada kecernaan pakan. Tingginya SK pada pakan limbah diduga menurunkan palatabilitas yang berdampak pada menurunnya konsumsi ransum dan PBB. Interaksi SK dengan komponen nutrisi lain dalam ransum dapat memodifikasi karakteristik fisik dan kimia dari serat kasar yang dapat berdampak pada kecernaan SK.

This paper aimed to evaluate the nutritive value and the quality of ensiled Napier grass (Pennisetum purpureum Schum) and banana (Musa acuminate) peelings.  Different levels of banana peeling and Napier grass were used in this study.  The levels of Napier grass and banana peeling compared as treatments with four replications were as follows: 100% Napier Grass (NG), 75% (NG) + 25% Banana Peeling (BP), 50%NG + 50%BP, 25%NG + 75% BP and 100%BP. Napier grass and banana peeling were mixed based on the percentage combination as treatments, weighed and placed into empty jam bottle with weights ranging from 64.4 grams to 509.2 grams as a simulated laboratory silo. Samples were stored in eight weeks at the Dairy Training Research Institute. Proximate analyses were done at Animal Nutrition Laboratory Institute of Animal Science while ADF, NDF, IVDMD, and IVOMD were done at the Animal Nutrition Division Laboratory at Dairy Training and Research Institute, UP Los Baños. Physically, the color of silage were light yellow with a  little greenish color for 100% napier grass, light to moderately yellow for the  three combinations of napier and banana peel and  yellow for 100% banana peel. Texture ranged from dry and coarse for napier grass, relatively dry for the combinations and moderately wet for the banana peel. The napier grass had a slightly acidic smell, the combinations had slightly sweet, acidic smell while the 100% banana peel had a sweeter, acidic smell.  Likewise, pH before ensiling had ranged from 5.7 (25%NG + 75%BP) to 7.5 ( 100% BP) while after  ensiling the pH changed from 4.575  ( 100% napier grass) to 5.75 ( 100% banana peel ). There were significant differences on DM, Moisture, CP, EE, CF, and Ash before ensiling. Similar trend was observed after ensiling except the ash content of all the treatments. ADF and NDF did not show significant variations in all treatments. IVDMD and IVOMD before ensiling varied significantly, but after ensiling only IVDMD of the treatments differed significantly. In terms of physical attributes, nutritive value and digestibility, banana peel can be used as silage material. All treatments generated comparable acceptability when fed to the animal.  It is suggested that further study, specifically in vivo trial, will be conducted to validate the feeding and nutritional value of banana peel as alternative silage for ruminants.