สืบค้นงานวิจัย
The Optimization of Environment and Genotype to Maximize Farm Income in the Tropics
Sornthep Tumwasorn - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): The Optimization of Environment and Genotype to Maximize Farm Income in the Tropics
ผู้แต่ง / หัวหน้าโครงการ (EN): Sornthep Tumwasorn
บทคัดย่อ (EN): The improvement of performance of livestock in the tropics has been through the crossbreeding of local native animals to superior exotic breeds. In 2011, ninety percent of dairy cattle population in Thailand averages between 75% to 93% of Holstein Friesian blood. There is 80 kg of milk yield increased from 20 years upgrading breeding program and 90% of the total variation is associated with the environment. Once genotype has been fitted to the existing environment, then there will be less variation for more improvement through upgrading due to stress and high THI level affecting survival of high milking cow. Also the marginal improvement from improving feeding and management tended to be greater than that of genetic improvement. The better genotypes need better feed and management input and more investment must be added to fully support these superior genotype animals. The optimization model is proposed for the maximization of net profit instead of maximization the yield. Once the upgraded gene pool is captured up to 90% of the existing population within the country, then the appropriate feed and management must be fully implemented. The complete development of the performance of animal must involve the education and training of stakeholders to understand the concept and mutually obtain the benefit under specified production system. Case studies in attempting to optimize genotypes and environments were presented. It is suggested that upgrading Holstein Friesian blood up to 87.5% is appropriate under 90% THI level and low input environments. For the beef cattle, it is suggested that between 65 to 75% Brahman blood cross with local native cattle should be appropriate enough to sustain well in the tropical environments.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): th
จำนวนหน้า: 4
เอกสารแนบ: https://ag2.kku.ac.th/kaj/PDF.cfm?filename=224.pdf&id=689&keeptrack=10
คำสำคัญ (EN): Income
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

Sornthep Tumwasorn. "The Optimization of Environment and Genotype to Maximize Farm Income in the Tropics". ไม่ระบุหน่วยงาน. 2555

Sornthep Tumwasorn. "The Optimization of Environment and Genotype to Maximize Farm Income in the Tropics". ไม่ระบุหน่วยงาน. 2555. Print.



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The Optimization of Environment and Genotype to Maximize Farm Income in the Tropics
Sornthep Tumwasorn
ไม่ระบุผู้เผยแพร่
2555
คัดลอก URL
กระทู้ของฉัน
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พัฒนาระบบโดยศูนย์ความรู้เฉพาะด้านวิศวกรรมความรู้และวิศวกรรมภาษาDeveloped by Center of Excellence for Unified Knowledge and Language Engineering
สนับสนุนโดยสำนักงานพัฒนาการวิจัยการเกษตร (องค์การมหาชน)Supported by the Agricultural Research Development Agency (Public Organization)
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