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Provedor de dados:  Thai Agricultural
País:  Thailand
Título:  Quality of forage sorghum at second cut on milk production
Autores:  Theerayuth Juntanam
Jamroen Thiengtham
Sayan Tudsri
Soar Siwichai
Somkiert Prasanpanich
Data:  2012-05-08
Ano:  2010
Palavras-chave:  Dairy cow
Sorghum bicolor
Panicum maximum cv TD 58
โคนม
พืชอาหารสัตว์
หญ้ากินนีสีม่วง
ข้างฟ่างอาหารสัตว์
การตัดครั้งที่ 2
การให้อาหาร
การกินอาหาร
การเจริญเติบโต
เมตาโบลิซึม
องค์ประกอบของเลือด
ผลผลิตนม
คุณภาพ
ผลตอบแทนทางเศรษฐกิจ
Resumo:  This study was conducted to determine effects of quality of purple guinea grass (Panicum maximum TD 58) and forage sorghum (Sorghum bicolor) at second cut on dry matter intake, milk production, liveweigh change, metabolic profiles and economic return in dairy cows. Using twelve multiparous cows. Two groups (six cows in each groups) of GT=75 percent Holstein Freesian dairy cows were imposed by Group comparison. Group 1 were fed fresh purple guinea grass. While in group 2, cows were fed fresh forage sorghum, All the cows were also supplemented with concentrate (18.33 percent CP, 70 percent TDN) twice daily at milking (i.e. at 05.00 am. and 02.00 pm.). T-test was used in order to mean comparison between treatments. The results revealed that cows in group 2 had higher daily roughage dry matter intake, percent BW of total daily dry matter than those in group 1, but were not significantly different. In addition, actual milk yield and 4 percent fat corrected milk, milk composition, blood glucose and blood urea nitrogen in AM and PM feeding in both treatments were not significantly different. Economic return cows in group 2 were higher than cows in group 1, but were not significantly different. In conclusion, forage sorghum at second cut can be utilized and replaced purple guinea grass in dry season with higher profits and no deteriorative effect on dairy production.

6 tables
Idioma:  Inglês
Identificador:  Proceedings of the 4th Workshop of Corn and Sorghum Research Project of Kasetsart University: Corn and sorghum yield increasing to improve the quality of life and environmental sustainability, Bangkok (Thailand), p. 337-348

http://anchan.lib.ku.ac.th/agnet/handle/001/4688

การประชุมเชิงปฏิบัติการโครงการวิจัยแม่บทข้าวโพดและข้าวฟ่าง มหาวิทยาลัยเกษตรศาสตร์ ครั้งที่ 4: เรื่องการเพิ่มผลผลิตข้าวโพดและข้าวฟ่างเพื่อพัฒนาคุณภาพชีวิตและสิ่งแวดล้อมอย่างยั่งยืน, กรุงเทพฯ, หน้า 337-348
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