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| 겉보기 총 소화관 소화율× | 체세포 수× | |
|---|---|---|
| 분야 | 수의과학 | 수의과학 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 1970 | 1980 |
| 창시자≠ | Agricultural Research Community | Veterinary Milk Quality Standards |
| 유형≠ | Balance Study Methodology | Quantitative Screening Test |
| 원전≠ | Adeola, O. (2001). Digestion and balance techniques in pigs. In A. J. Lewis & L. L. Southern (Eds.), Swine Nutrition (2nd ed., pp. 903-916). CRC Press. link ↗ | Philippidis, G. P., Frey, H. R., & Klug, C. (2016). Somatic cell count and milk production in dairy cattle. Journal of Dairy Science, 99(2), 1419-1427. link ↗ |
| 별칭 | ATTD, digestibility coefficient, fecal digestibility | SCC, mastitis indicator, milk quality assessment |
| 관련 | 3 | 3 |
| 요약≠ | Apparent Total Tract Digestibility (ATTD) is a measure of the proportion of a nutrient consumed in feed that is absorbed by the animal, calculated from the difference between dietary intake and fecal excretion. Standardized since the 1970s, ATTD is essential for quantifying the bioavailability of nutrients in feedstuffs, formulating balanced diets, and comparing the nutritive value of different feed ingredients across diverse animal species. | Somatic Cell Count (SCC) is a quantitative measure of the concentration of white blood cells and epithelial cells in milk, used as a primary indicator of udder health and the presence of mastitis in lactating cattle. Standardized by veterinary regulatory agencies worldwide, SCC serves as a non-invasive, cost-effective screening tool in dairy herd management and milk quality assessment. |
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