인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
개인구독
소속 기관이 없으신 경우, 개인 정기구독을 하시면 저렴하게
논문을 무제한 열람 이용할 수 있어요.
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
학술저널
Full-text XML
오류 신고하기해당 페이지 내 제목·저자·목차·페이지정보가 잘못된 경우 알려주세요!
피인용 0
초록·키워드
Background: Agro-industrial by-products represent an important opportunity for sustainable livestock production. Pineapple (Ananas comosus) residues are rich in bromelain, polyphenols, and dietary fiber and are known for their antioxidant and anti-inflammatory activities. However, few studies have evaluated the effects of dried pineapple by-product powder (DPP) on dairy productivity and metabolic function.
Methods and Results: A DPP feeding trial was conducted with 20 mid-lactation Holstein cows (90 ± 15 days old in milk; 620 ± 30 kg body weight). Cows were randomly assigned to two groups: a control group fed a basal total mixed ration (TMR) and a treatment, fed a TMR supplemented with 1% DPP (dry matter basis) for 4 weeks. Milk yield and composition were measured weekly, and blood samples were analyzed at weeks 0 and 8 for serum biochemical parameters including glucose, amylase, and lipase. Cows fed DPP showed a 6.3% increase in daily milk yield (p < 0.05) without significant changes in milk fat, protein, or lactose concentrations. The somatic cell count (SCC) decreased by 23% (p < 0.05), indicating improved udder health. Blood glucose concentrations decreased (p < 0.05), suggesting improved energy utilization for milk synthesis, without changes in amylase or lipase activity. Liver (aspartate aminotransferase and alanine aminotransferase) and kidney (creatinine) function remained within normal physiological limits. Based on the in vivo findings, the antioxidant, and anti-inflammatory activities of DPP were evaluated in vitro. The ABTS radical scavenging assay demonstrated strong antioxidant capacity (IC₅₀≈ 220 µg/mL), and the nitric oxide (NO) inhibition assay showed significant, dose-dependent suppression of NO production in LPS-stimulated RAW 264.7 macrophages (p < 0.01), confirming antioxidant and anti-inflammatory effects.
Conclusions: DPP improved in vivo dairy performance by enhancing milk yield, reducing SCC, supporting efficient energy metabolism without adverse effects on liver or kidney function, and exhibiting potent in vitro antioxidant and anti-inflammatory properties. These findings highlight the potential of DPP as a sustainable and functional feed additive for dairy cows.
Methods and Results: A DPP feeding trial was conducted with 20 mid-lactation Holstein cows (90 ± 15 days old in milk; 620 ± 30 kg body weight). Cows were randomly assigned to two groups: a control group fed a basal total mixed ration (TMR) and a treatment, fed a TMR supplemented with 1% DPP (dry matter basis) for 4 weeks. Milk yield and composition were measured weekly, and blood samples were analyzed at weeks 0 and 8 for serum biochemical parameters including glucose, amylase, and lipase. Cows fed DPP showed a 6.3% increase in daily milk yield (p < 0.05) without significant changes in milk fat, protein, or lactose concentrations. The somatic cell count (SCC) decreased by 23% (p < 0.05), indicating improved udder health. Blood glucose concentrations decreased (p < 0.05), suggesting improved energy utilization for milk synthesis, without changes in amylase or lipase activity. Liver (aspartate aminotransferase and alanine aminotransferase) and kidney (creatinine) function remained within normal physiological limits. Based on the in vivo findings, the antioxidant, and anti-inflammatory activities of DPP were evaluated in vitro. The ABTS radical scavenging assay demonstrated strong antioxidant capacity (IC₅₀≈ 220 µg/mL), and the nitric oxide (NO) inhibition assay showed significant, dose-dependent suppression of NO production in LPS-stimulated RAW 264.7 macrophages (p < 0.01), confirming antioxidant and anti-inflammatory effects.
Conclusions: DPP improved in vivo dairy performance by enhancing milk yield, reducing SCC, supporting efficient energy metabolism without adverse effects on liver or kidney function, and exhibiting potent in vitro antioxidant and anti-inflammatory properties. These findings highlight the potential of DPP as a sustainable and functional feed additive for dairy cows.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
최근 본 자료 전체보기
UCI(KEPA) : I410-151-26-02-095638541
