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Paper Information

Journal:   AMIRKABIR   2015 , Volume 25 , Number 4; Page(s) 129 To 139.
 
Paper: 

THE EFFECTS OF USING COOLING SYSTEMS ON OXIDATIVE STATUS, IMMUNITY AND HEMATOLOGICAL PROFILES IN HOLSTEIN LACTATING COWS DURING HOT WEATHER

 
 
Author(s):  SAFA S., MOGHADAM GH.A.*, TAHMASBI A.M., MOKHTARPOUR A.
 
* DEPARTMENT OF ANIMAL SCIENCE, FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ, TABRIZ, IRAN
 
Abstract: 

BACKGROUND: Use of cooling systems can improve blood anti-oxidants of dairy cows during the hot weather.
OBJECTIVES: This study was conducted to evaluate the advantages of cooling systems on immunity, oxidative status and cell blood counts of early lactating dairy cows during hot weather. METHODES: Forty six multiparous Holstein dairy cows were blocked according to milk yield and parity into two treatments after parturition as follows: group 1, the heat stressed cows and group 2, cows were housed in individual roofed boxes and were cooled 8 hours per day with sprinkle and fan.
RESULTS: The production of oxygen free radicals (P<0.001), malonaldehyde (P<0.01) and activity of glutathione peroxidase (P<0.001) and superoxide dismutase (P<0.001) and total antioxidant capacity (P<0.05) were higher in group 1 in compared with group 2. But the concentrations of immunoglobulin A (P<0.01), immunoglobulin G (P<0.001), interlukin-1 (P<0.01) and tumor necrosis factor-alpha (P<0.001) in group 2 were greater than group 1. Furthermore, the hematological factors such as white blood cells (P<0.01), lymphocytes (P<0.05), monocytes (P<0.05), red blood cells (P<0.01), hemoglobin (p<0.05) and hematocrit percentage (P<0.001) were better for cows in group 2.
CONCLUSIONS: With regard to these results, using of cooling systems can improve oxidative situation, immunity and hematological profiles of lactating dairy cows during hot weather.

 
Keyword(s): OXIDATIVE STRESS, IMMUNITY, HEMATOLOGICAL PROFILE, HEAT STRESS, HOLSTEIN COWS
 
 
References: 
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+ Click to Cite.
APA: Copy

SAFA, S., & MOGHADAM, G., & TAHMASBI, A., & MOKHTARPOUR, A. (2015). THE EFFECTS OF USING COOLING SYSTEMS ON OXIDATIVE STATUS, IMMUNITY AND HEMATOLOGICAL PROFILES IN HOLSTEIN LACTATING COWS DURING HOT WEATHER. AMIRKABIR, 25(4), 129-139. https://www.sid.ir/en/journal/ViewPaper.aspx?id=508726



Vancouver: Copy

SAFA S., MOGHADAM GH.A., TAHMASBI A.M., MOKHTARPOUR A.. THE EFFECTS OF USING COOLING SYSTEMS ON OXIDATIVE STATUS, IMMUNITY AND HEMATOLOGICAL PROFILES IN HOLSTEIN LACTATING COWS DURING HOT WEATHER. AMIRKABIR. 2015 [cited 2021May18];25(4):129-139. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=508726



IEEE: Copy

SAFA, S., MOGHADAM, G., TAHMASBI, A., MOKHTARPOUR, A., 2015. THE EFFECTS OF USING COOLING SYSTEMS ON OXIDATIVE STATUS, IMMUNITY AND HEMATOLOGICAL PROFILES IN HOLSTEIN LACTATING COWS DURING HOT WEATHER. AMIRKABIR, [online] 25(4), pp.129-139. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=508726.



 
 
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