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标题：Consumption and Body Weight of Bali Cows Fed Only Forage from a Palm Oil Plantation Under Indonesian Tropical Environmental Conditions
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作者：Eny Endrawati ; Panjono ; Bambang Suhartanto 等
期刊名称：Pakistan Journal of Nutrition
印刷版ISSN：1680-5194
电子版ISSN：1994-7984
出版年度：2020
卷号：19
期号：2
页码：86-90
DOI：10.3923/pjn.2020.86.90
出版社：Asian Network for Scientific Information
摘要：Background and Objective: An integrated system of cattle with oil palm plantations in Indonesia has the potential to increase the cattle population in a sustainable manner. This study aimed to assess the adequacy of Bali cow nutrient consumption and body weight of cows fed only with forage from oil palm plantations under Indonesian tropical environmental conditions. Materials and Methods: Twelve Bali cows were divided into two physiological groups, i.e., five pregnant cows and seven nonpregnant cows were observed to determine their feed consumption. Cows were given only forage from oil palm plantations in Riau Province, Indonesia that contained 22.24% dry matter (DM), 10.67% crude protein (CP),36.85% crude fiber (CF) and 54.37% total digestible nutrients (TDN). The observation of consumption was performed on cows in individual cages for seven consecutive days. Results: The results showed that when the cows were only fed with forage from oil palm plantations, the nutrient requirements of the cows were not met. For the pregnant cows, the DM deficiency was 2.76±0.20 kg head1 day1 (44.29±2.56 g kg1 BW0.75 day1), the CP deficiency was 176.0±35.8 g head1 day1 (2.83±0.62 g kg1 BW0.75 day1) and the TDN deficiency was 1.39±0.20 kg head1 day1 (22.30±1.58 g kg1 BW0.75 day1).For the nonpregnant cows, the DM deficiency was 2.01±0.41 kg head1 day1 (32.77±5.85 g kg1 BW0.75 day1), the CP deficiency was 81.4±40.5 g head1 day1 (1.30±0.65 g kg1 BW0.75 day1) and the TDN deficiency was 1.03±0.22 kg head1 day1 (16.80±3.16 g kg1 BW0.75 day1). After four months of observation, the average weight of the cows of each group decreased. Conclusion: From the study, it was concluded that Bali cow fed only forage from oil palm plantations did not consume enough to meet their nutrient requirements; additional nutrients are needed regardless of the pregnancy status of the cows.
关键词：Feed consumption; forage; oil palm plantation; Bali cows; pregnant cows; tropical environment; Indonesia