Search Result of "periparturient"

About 45 results
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งานวิจัย

การเปลี่ยนแปลงทางจุลพยาธิวิทยาและชีวเคมีในตับโคนมระยะคลอด (2001)

หัวหน้าโครงการ:Imgดร.ธีระ รักความสุข, รองศาสตราจารย์

แหล่งทุน:สำนักงานกองทุนสนับสนุนการวิจัย

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ผลงานตีพิมพ์ในวารสารวิชาการ

Clinical-biochemical Observations in Periparturient Dairy Cows with Experimentally Induced Fatty Liver

ผู้แต่ง:ImgDr.Theera Rukkwamsuk, Associate Professor, ImgTheo Wensing, ImgHenk J. Breukink,

วารสาร:

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ผลงานตีพิมพ์ในวารสารวิชาการ

A field study on negative energy balance in periparturient dairy cows kept in small-holder farms: Effect on milk production and reproduction

ผู้แต่ง:ImgDr.Theera Rukkwamsuk, Associate Professor,

วารสาร:

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ที่มา:วิทยาสารเกษตรศาสตร์ สาขา วิทยาศาสตร์

หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Effect of Oral Administration of Propylene Glycol on Serum Glucose Concentrations in Periparturient Dairy Cows)

ผู้เขียน:Imgดร.ธีระ รักความสุข, รองศาสตราจารย์, ImgNarongpol Petploi, ImgIng-orn Preechanvinit, ImgPrapassorn Jongmepornsirisopa

สื่อสิ่งพิมพ์:pdf

Abstract

The effect of oral administration of propylene glycol on serum glucose concentrations was studied in 10 dairy cows. At -1, 1, 3, 5, and 7 days from parturition, 6 cows were orally received 300 ml of propylene glycol/cow per day (treated group), and 4 cows were received 300 ml of water/cow per day (control group). At each interval, blood samples were collected from all cows at 0, 1, 2, 3, 4, and 5 hours following propylene glycol or water drenching. Serum was harvested and stored until determination of glucose concentrations. Compared with the concentration at 0 hour, serum glucose concentrations after drenching were increased for treated cows, but not for the control cows. For treated cows, serum glucose concentrations at 1, 2, 4, and 5 hours were higher than the concentration at 0 hour. Serum glucose concentrations of treated cows at 1, 2, 3, 4 and 5 hours were higher than those concentrations in control cows. These results indicated that cows drenched with propylene glycol had increased serum glucose concentrations, which would help these cows to improve their energy demands during a period of negative energy balance. In addition, propylene glycol administration could alleviate the mobilization of fat store, which would prevent cows from any consequences of intensive lipolysis.

Article Info
Agriculture and Natural Resources -- formerly Kasetsart Journal (Natural Science), Volume 037, Issue 2, Apr 03 - Jun 03, Page 145 - 149 |  PDF |  Page 

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ที่มา:วิทยาสารเกษตรศาสตร์ สาขา วิทยาศาสตร์

หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Negative Energy Balance in Periparturient Dairy Cows Raised in Small-Holder Farms in Kamphaengsaen District, Nakhon Pathom Province)

ผู้เขียน:Imgดร.ธีระ รักความสุข, รองศาสตราจารย์, Imgดร.นิติพงศ์ หอมวงษ์, ผู้ช่วยศาสตราจารย์, ImgWeerapong Bumkhuntod, ImgPiyakan Rohitakanee, ImgRungthip Sukcharoen

สื่อสิ่งพิมพ์:pdf

Abstract

Negative energy balance was studied in 45 periparturient dairy cows from 15 small-holder farms in Kamphaengsaen District, Nakhon Pathom Province. Blood samples were collected at 1 week prepartum and 2 and 4 weeks postpartum for evaluation of negative energy balance and to study the relationship between concentrations of serum non-esterified fatty acid, serum glucose and body condition score. The results revealed that there were no significant differences in concentrations of non-esterified fatty acid at 1 week prepartum and 2 and 4 weeks postpartum. The concentrations of serum glucose and body condition score were significantly decreased after parturition. The changes of body condition score between 1 week prepartum and 2 weeks postpartum (r = 0.475) or between 1 week prepartum and 4 weeks postpartum (r = 0.364) were positively correlated with serum concentrations of non-esterified fatty acid at 2 weeks postpartum. In conclusion, periparturient dairy cows of small-holder farms in Kamphaengsaen District, Nakhon Pathom Province had some degrees of negative energy balance as observed by decreased serum glucose concentration and decreased body condition score. The results of this study would be useful for small-scale herd management to prevent periparturient negative energy balance problems and its consequences.

Article Info
Agriculture and Natural Resources -- formerly Kasetsart Journal (Natural Science), Volume 040, Issue 4, Oct 06 - Dec 06, Page 1000 - 1004 |  PDF |  Page 

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