دورية أكاديمية

Improvement of feed intake, digestibility, plasma metabolites, and lactation performance of dairy cows fed mixed silage of sugar beet pulp and rice straw inoculated with lactic acid bacteria

التفاصيل البيبلوغرافية
العنوان: Improvement of feed intake, digestibility, plasma metabolites, and lactation performance of dairy cows fed mixed silage of sugar beet pulp and rice straw inoculated with lactic acid bacteria
المؤلفون: Y. Wang, K. Xia, X.N. Wang, X. Lin, J. Liu, Y.J. Li, X.L. Liu, W.J. Zhao, Y.G. Zhang, J.H. Guo
المصدر: Journal of Dairy Science, Vol 105, Iss 1, Pp 269-280 (2022)
بيانات النشر: Elsevier, 2022.
سنة النشر: 2022
المجموعة: LCC:Dairy processing. Dairy products
مصطلحات موضوعية: sugar beet pulp, mixture silage, inoculation, milk yield, milk protein, Dairy processing. Dairy products, SF250.5-275, Dairying, SF221-250
الوصف: ABSTRACT: A study was conducted to investigate the inclusion effects of sugar beet pulp and rice straw mixture silage with inoculation (BRMS), in place of whole-plant corn silage (CS), on the dry matter intake, total-tract nutrient digestibility, plasma metabolites, rumen fermentation, and lactation performance in high-production dairy cows. Sixteen multiparous Holstein cows (body weight, 622 ± 35 kg; days in milk, 90 ± 11 d; mean ± standard deviation) were used in our experiments; the experiments were based on a repeated 4 × 4 Latin square design for 21 d, and each experimental period consisted of 14 d of adaptation, followed by 7 d of data collection. The 4 dietary treatments used were (dry matter basis): (1) 0% BRMS and 28.6% CS (0BRMS); (2) 4.3% BRMS and 24.3% CS (15BRMS); (3) 8.60% BRMS and 20.0% CS (30BRMS); and (4) 12.9% BRMS and 15.7% CS (45BRMS). The increasing inclusion of dietary BRMS was observed to linearly increase the total volatile fatty acids and the propionate concentration. The dry matter intake and digestibility values of neutral detergent fiber and acid detergent fiber increased linearly as the percentage of BRMS increased up to 45%. Milk yield linearly increased with the increase in the content of BRMS (39.0, 39.8, 40.9, and 40.3 kg/d for 0BRMS, 15BRMS, 30BRMS, and 45BRMS, respectively). The increasing inclusion of dietary BRMS induced a decrease in the ammonia nitrogen and milk urea nitrogen concentration, leading to a linear increase in milk protein production (1.15, 1.26, 1.35, and 1.27 kg/d for 0BRMS, 15BRMS, 30BRMS, and 45BRMS, respectively). In conclusion, the diets with the replacement of CS with BRMS up to 45% were beneficial to the production performance of high-production dairy cows, indicating that this method may be an appropriate use of sugar beet pulp and rice straw.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 0022-0302
Relation: http://www.sciencedirect.com/science/article/pii/S0022030221009164; https://doaj.org/toc/0022-0302
DOI: 10.3168/jds.2021-20494
URL الوصول: https://doaj.org/article/6cbe814c5157426080023f4c943b13e0
رقم الأكسشن: edsdoj.6cbe814c5157426080023f4c943b13e0
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:00220302
DOI:10.3168/jds.2021-20494