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The primary goal of this Community Service Program (PKM) is to assist local farmers in utilizing rabbit urine waste—previously discarded into a value-added product in the form of liquid organic fertilizer (LOF). This innovation aims not only to enhance technical production skills but also to stimulate local economic growth through entrepreneurship based on local resources. The program involves several strategic steps: designing a simple fermentation device using a 20-liter bucket equipped with an airlock and digital thermometer; providing technical training in the LOF-making process, quality control, and hygiene standards; offering entrepreneurial mentoring in production management, financial recording, branding, and marketing; and developing local distribution networks through farmer groups and agricultural shops. The results show that partners can independently produce consistent-quality LOF, packaged in 600 ml bottles with simple labeling for commercial appeal. The program improves technical and entrepreneurial skills, increases farmers’ income, fosters cooperation, and supports sustainable agriculture through environmentally friendly waste utilization.

The growing demand for organic fertilizers as an alternative to chemical fertilizers is in line with increasing public awareness of environmentally friendly agriculture. Meanwhile, livestock waste, particularly rabbit urine, remains underutilized and is often discarded, despite its high nitrogen, phosphorus, and potassium content and potential as a raw material for liquid organic fertilizer (LOF). This study aims to design and develop a simple technological innovation for processing rabbit urine into economically valuable LOF, offering new business opportunities for local communities. Another objective is to advance bioactivator-based processing technology to produce an effective, marketable, and eco-friendly organic fertilizer that enhances plant growth. The research employed an applied research method with an experimental approach, including collection and processing of rabbit urine, simple production of LOF, effectiveness testing on horticultural crops with local farmers, and analysis of business feasibility and local marketing strategies. The study resulted in a simple bioactivator-based technology for converting rabbit urine into LOF through a fermentation process of more than 14 days, producing fertilizer rich in nitrogen, phosphorus, and potassium. The LOF improved horticultural crop growth by 25–30% compared to control plants. The group business model provides livestock farmers with new business opportunities, achieving profit margins between 40% and 50%. This research produced a replicable technology guide and usable LOF product, contributing to waste reduction and supporting sustainable agriculture through community-based entrepreneurship.

Rabbit skin is one by-product that can be utilized for its aesthetic value through a tanning process so that the skin is resistant to destructive bacteria, namely Pseudomonas aeruginosa and Staphylococcus aureus. Furtigh is the strengthening of fur in the tanning process, in this research the furtigh process uses formalin so that rabbit fur is stronger and lasts longer. The purpose of this research was to determine the appropriate concentration of formalin and storage length used in rabbit fur tanning in the terms of pliability, tensile strength, fur loss and water absorption. The method used in this research is a laboratory experimental method using a Completely Randomized Design (CRD) with a nested design consisting of 4 treatment and repeated 4 times each. This treatment used formalin of 10%, 15%, 20% and 25%. Variables tested included pliability, tensile strength, fur loss and water absorption. Processing data using analyzed by Analysis of Variance (ANNOVA) and continued with the Duncan Multiple Range Test (DMRT). The results showed that different usage of formalin exerted significant influence (P<0,05) on the tear elasticity of tanned rabbit furs with a result of F1: 29,76%; F2: 32,85%; F3: 41,70%; F4: 41,88%. Different concentration usage of formalin have significant influence of tanned rabbit fur (P<0.05) on rabbit skin tensile strength fur tanning with a results of F1: 36.63 N/mm2; F2: 39.69 N/mm2; F3: 43.81 N/mm2; F4: 48.36 N/mm2. Fur loss test showed that the use of different formalin exerted highly significant influence (P<0.01) of tanned rabbit fur loss with a result of F1: 4.15; F2: 3.78; F3: 3.49; F4: 3.40. Water absorption test that the use of different formalin concentration have highly significant influence of tanned rabbit fur (P<0.01) with water absorption with a result of F1: 192.12%; F2: 217.95%; F3: 237.85%; F4: 238.27% on 2 hours of water absorption. Storage length did not have significant influence of tanned rabbit fur (P<0.05) on rabbit skin elasticity, tensile strength, fur loss and water absorption.