간행물
한국초지조사료학회지 KCI 등재 Journal of The Korean Society of Grassland Science
- 발행기관 한국초지조사료학회
- 자료유형 학술지
- 간기 계간
- ISSN 2287-5824 (Print)2287-5832 (Online)
- 수록기간 1978 ~ 2026
- 주제분류 농수해양 > 축산학 농수해양 분류의 다른 간행물
- 십진분류KDC 527DDC 636
권호리스트/논문검색
Vol.46 No.1 (2026년 3월) 8건
1.
2026.03
구독 인증기관 무료, 개인회원 유료
This experiment aimed to evaluate the growth characteristics and forage productivity of novel forage resources in order to cope with abnormal climatic conditions in Pungse-myeon, Cheonan City, Chungcheongnam-do, South Korea from 2024 to 2025. Italian ryegrass (IRG), Perennial ryegrass (PRG)+IRG mixtures and Meadow foxtail (MF)+IRG mixtures sown on 26 September 2024 grew vigorously before and after winter, and exhibited strong cold resistance, achieving a 100% overwintering rate. At harvest, plant length of IRG, PRG+IRG mixtures and MF+IRG mixtures reached approximately 118 cm. The heading dates of IRG and MF+IRG (2 May) were 8 days earlier than that of tall fescue. The dry matter yield (11.5 ton/ha) of IRG single pasture did not differ significantly from that of MF+IRG and PRG+IRG mixture, but was 29~30% higher than that of MF and PRG single pasture (p<0.001). The crude protein content of IRG and MF+IRG mixture was 7.0%, which was lower than that of MF (9.6%) and tall fescue (9.0%). The total digestible nutrient content of MF+IRG mixture was 63.2%, slightly lower than that of IRG but higher than that of tall fescue. In conclusion, these findings demonstrate that PRG+IRG and MF+IRG mixtures have strong potential as novel forage resources to mitigate cold damage of IRG under abnormal climatic conditions.
4,000원
2.
2026.03
구독 인증기관 무료, 개인회원 유료
This study demonstrated that inlet moisture content is a critical factor influencing drying efficiency, production rate prediction accuracy, and feed value changes of Italian ryegrass (IRG) in a multi-stage conveyor-type hot-air forage dryer. The experiment was conducted by uniformly loading IRG at a fixed drying height of approximately 25 cm with four different inlet moisture contents (30, 40, 50, and 60%). Drying time increased exponentially with increasing inlet moisture content, and a strong linear relationship was observed between inlet moisture content and the time required to reach 15% moisture, enabling the development of a reliable drying time prediction model. The proposed model showed high applicability and prediction accuracy at inlet moisture contents of 30–40%, where predicted and measured production rates were in close agreement. However, at inlet moisture contents of 60% or higher, the model substantially overestimated production rates, indicating limitations under high-moisture conditions. This behavior was attributed to reduced airflow penetration and diminished heat and mass transfer efficiency caused by increased material thickness and particle mass at high moisture levels. Feed value analysis revealed that crude protein content decreased by 12–20% following hot-air drying compared with fresh material, while ether extract, crude ash, and fiber components were not significantly affected. No significant differences in crude protein loss were observed among treatments with inlet moisture contents of 60% or lower. In conclusion, the multi-stage conveyor-type hot-air dryer and the proposed prediction model are suitable for drying Italian ryegrass at inlet moisture contents of 40% or lower and can be effectively applied under practical operating conditions. However, at inlet moisture contents of 60% or higher, improvements in airflow distribution within the dryer or the incorporation of moisture-dependent correction factors are required to enhance drying performance and prediction accuracy.
4,000원
3.
2026.03
구독 인증기관 무료, 개인회원 유료
This study was conducted to compare and analyze the crop-livestock circulation indicators, manure compost circulation, nutrient circulation, and carbon footprint of organic and conventional dairy farms. The survey farms were 13 organically certified dairy farms and 12 conventional dairy farms. A field survey was conducted in 2024. The forage crop cultivation area per head (LSU) of organic dairy farms was 1,539.8 ㎡, which was 2.3 times more than the 682.9 ㎡ of conventional dairy farms. The livestock density index, which indicates the number of cattle per acre of farmland, was lower in organic dairy farms (6.4 LSU/ha) than in conventional dairy farms (9.3 LSU/ha). The self-produced feed feeding rate of organic dairy farms was 31.9%, which was 12.6% higher than 19.3% in conventional dairy farms. The domestically purchased feed feeding rate was 11.6% in organic certified farms (11.6% lower than 22.5%). The imported concentrate feed feeding rate was 33.2% in organic certified farms and 37.5% in conventional dairy farms, which showed no significant difference. The area of forage crops in organic dairy farms was 0.15 ha/head, which was higher than 0.11 ha/head in conventional farms. The annual milk production of organic dairy farms was 10,101 kg, which did not show a significant difference from conventional farms. The local circulation and Off-farm transfer rates of compost in organic certified farms were 5.1% and 0.4%, respectively, which were lower than those in conventional farms. The annual surplus nitrogen per cow (LSU) was 92.1 kg in organic dairy cow certified farms, which was 20% lower than 115.4 kg in conventional farms. The carbon footprint per kg of milk was 1.16 kgCO2eq in organic certified farms, which was 28% lower than 1.61 kg CO2eq in conventional farms.
4,000원
4.
2026.03
구독 인증기관 무료, 개인회원 유료
Italian ryegrass (Lolium multiflorum Lam.) is a major winter forage crop requiring improved drought tolerance under climate change. This study evaluated 42 accessions, consisting of 20 Korean cultivars and 22 exotic germplasm under four polyethylene glycol (PEG) concentrations (0, 10, 15, and 20%) to assess germination and early seedling responses to drought stress. Increasing PEG levels significantly reduced germination percentage (GP), germination energy (GE), germination index (GI), and seedling vigor index (SVI), while mean germination time (MGT) increased. At 20% PEG, GP decreased by approximately 74% compared with the control. Early seedling vigor, expressed as SVI (integrating fresh weight, shoot length, and root length) also declined depending on concentration. Germination traits (GE and GI) showed strong positive correlations with SVI, indicating that early germination performance was closely associated with subsequent growth under drought stress. Fuzzy comprehensive evaluation and principal component analysis consistently identified several accessions (Earlybird, IR602, IR901, Florida 98, Maximus, Orlando, and Moscovsky 74) as relatively drought tolerant. Overall, the integration of germination and seedling vigor index provides a reliable phenotypic screening approach for identifying drought-tolerant Italian ryegrass.
4,200원
5.
2026.03
구독 인증기관 무료, 개인회원 유료
Chang-Woo Min, Bo Ram Choi, Yowook Song, Hyung Soo Park, Jun Gyeong Choi, Kang Yun Ju, Sang-Hoon Lee, Ki-Won Lee
Molecular markers have been widely utilized in population genetics, diagnostic taxonomy, and genetic mapping, and can be applied to cultivar discrimination during field selection processes for alfalfa. In this study, whole-genome sequencing information was obtained for seven alfalfa lines and cultivars developed in Korea, including ‘Alfaone (MS001)’, using Next-Generation Sequencing (NGS). Single nucleotide polymorphism (SNP) analysis revealed that ‘Alfaone (MS001)’ could be distinguished from other lines and cultivars using six SNP loci. Specifically, only two SNP loci were sufficient to differentiate ‘Alfaone (MS001)’ from major lines and cultivars such as ‘MS002’ and ‘Alfaking (MSCB07)’. This set of SNP barcodes provides a reliable standard for alfalfa cultivar discrimination, contributing to domestic cultivar protection and the advancement of the Korea forage industry. Furthermore, the development of distinguishing markers across alfalfa cultivars will enhance genetic resource identification and support the breeding of high-quality new cultivars.
4,200원
6.
2026.03
구독 인증기관 무료, 개인회원 유료
This study evaluated the growth characteristics and forage productivity of quackgrass (Agropyron repens) and meadow foxtail (Alopecurus pratensis) as novel forage resources under abnormal climatic conditions in Cheonan, Chungcheongnam-do, South Korea, during the 2024–2025 growing seasons. Both species, sown on 26 September 2024, exhibited good establishment, vigorous pre-winter growth, and strong cold tolerance. Following harvest, quackgrass and meadow foxtail showed superior regrowth compared with orchardgrass and tall fescue. Dry matter yields of quackgrass (QG2), a mixed sward of meadow foxtail (50%) and quackgrass (50%), tall fescue and quackgrass (QG1) were 21.4, 20.4, 19.2 and 19.0 t ha⁻¹, respectively, with no significant differences among treatments. In contrast, the dry matter yield of meadow foxtail alone (18.4 t ha⁻¹) was significantly lower than that of quackgrass (QG2) (p<0.001). Crude protein contents of quackgrass and meadow foxtail (12.3% and 13.4%, respectively) were higher than that of tall fescue (11.9%), whereas total digestible nutrient contents ranged from 61.4% to 61.7%, slightly lower than those of tall fescue. These results suggest that quackgrass and meadow foxtail are promising forage species for mixed pasture systems to enhance adaptability to abnormal climatic conditions.
4,000원
7.
2026.03
구독 인증기관 무료, 개인회원 유료
This study was conducted to analyze long-term trends in moisture content and regional distribution characteristics of winter forages produced in Korea. A total of 14,204 samples collected from forage production farms and TMR facilities across 128 Si/Gun units nationwide from 2015 to 2024 were analyzed for moisture content, and annual, regional, and species-specific trends were examined accordingly. The overall mean moisture content was 34.82 ± 16.68%, with a declining trend from 46.70% in 2015 to 30.71% in 2024. Among the forage species, Italian ryegrass showed the lowest mean moisture content (29.44 ± 13.31%), decreasing consistently from 41.16% in 2015 to 23.91% in 2024, contributing substantially to the overall declining trend. Regional variation in moisture content was associated with differences in forage storage type composition, with Gangwon province showing higher moisture content corresponding to a greater proportion of silage, while Jeonbuk province showed lower moisture content with a higher proportion of hay. No statistically significant correlations were found between moisture content and environmental factors including precipitation and drainage installation rate (p>0.05), suggesting that final moisture content is likely influenced by multiple factors beyond regional precipitation, highlighting the need for further studies including direct variables like post-harvest management. The proportion of hay increased from 7.8% in 2015 to 32.3% in 2024, while silage decreased from 43.9% to 15.0%, a trend that coincides with the implementation of the national forage quality grading system initiated in 2015, suggesting a possible association. These results provide baseline data for developing region-specific forage production and quality management strategies in Korea.
4,000원
8.
2026.03
구독 인증기관 무료, 개인회원 유료
This study reviewed previous research on livestock manure application in forage crop fields, with a focus on forage productivity, forage quality, and Hanwoo carrying capacity per unit area. This work was conducted as a narrative review, not as a systematic review or meta-analysis. Studies published between 2000 and 2025 were collected from the Research Information Sharing Service (RISS), the Korean Citation Index (KCI), DBpia, and Google Scholar. Many studies reported that manure application increased dry matter yield and improved forage nutritional components such as crude protein and total digestible nutrients. However, the size of these effects differed depending on crop type, soil condition, weather, and application rate. In several cases, nutrient use efficiency was lower under high rainfall or unstable temperature conditions, especially when liquid manure was applied. Carrying capacity was estimated using assumed animal body weight and forage contribution. When different assumptions were applied, the calculated values changed. This shows that carrying capacity is not a fixed number but a relative measure, and the results should not be used directly without considering farm management conditions. Livestock manure application increased forage production and helped nutrient movement in crop–livestock systems. However, similar results cannot be expected in all environments. Future studies should consider soil characteristics, forage productivity, forage use, and livestock performance together.
4,200원
