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Investigation of Hematological and Biochemical Profiles of Anestrous Zebu Cows

K. F. Pariza
Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University,Mymensingh -2202, Bangladesh.

J. Alam
Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh -2202, Bangladesh.

M. R. Islam
Department of Surgery and Obstetrics, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh -2202, Bangladesh.

M. M. Hossain
Department of Anatomy, Histology and Physiology, Faculty of Animal Husbandry and Veterinary Medicine, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh.

M. A. Awal
Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh -2202, Bangladesh.

Abstract/ Executive Summary:

Blood samples from cows with anestrous were collected for hematological, biochemical and humoral immune status analysis. The erythrocyte sedimentation rate (ESR) was higher and hemoglobin (Hb %) percentage was lower in anestrous cows than normal cycling control cows. The packed cell volume (PCV %) was lower in anestrous cows compared with the control cows. Total erythrocyte count was not significantly different between two groups of cows. The total leukocyte count was significantly higher in anestrous cows than control cows. The bilirubin concentration was significantly higher in anestrous cows compared with control cows. The mean serum immunoglobulin (IgG) was lower in anestrous cows than control cows. It is suggested that there is no specific hematological and biochemical marker for anestrous in zebu cows.

Keywords: Anestrous, Blood profiles, Zebu Cows

Location: BAU, Mymensingh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Cow

Objectives:

To evaluate the hematological and biochemical profiles of anestrous Zebu cows in Bangladesh.

Methodology:

A total number of 26 lactating multiparous zebu(in title of manuscript, it is mentioned as zebu) cows weighing 220-355 kg were divided into two groups. Cows in group A (n=13) were suffering from post-partum anestrus of more than 90 days and all were outpatients at the veterinary clinic, Bangladesh Agricultural University, Mymensingh. Cows in Group-B (control group) (n=13) were cycling lactating multiparous cows of mixed breed selected from Bangladesh Agricultural University dairy farm. The cows in Group A were normally maintained on rice straw, cut and carry grass and limited grazing on roadside and community land. Concentrate derived from milling by-products such as rice polish, wheat bran, and mustard or sesame oil cakes were also fed at the rate of 1-2 kg per 1.5-2.0 liters of milk yield). There ass no system of estrous detection but farmers relied on visible signs of estrous. Control cows were fed concentrate, green grasses and straw. Total feeds and forages were given in two splits per day.

Source of Information: Bangl. J. Vet. Med. (2013).11 (1):57-60 ISSN: 1729-7893 (Print) 2308-0922 (Online)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The mean values of ESR were 9.3±2.6 and 7.5±1.2 mm/24 hour in anestrous and control group of cows, respectively. The mean values of ESR were significantly higher in anestrous group compared to the control group of cows (P<0.05). The mean hemoglobin percentage (Hb %) in anestrous group and control group of cows was 10.2±1.5 and 13.1±2.6, respectively. The Hb concentration (Hb %) was significantly lower in anestrous group (p <0.05) compared to control group of cows. The mean PCV in anestrous group and control group was 31.3±5.2 and 43.2±7.9, respectively. Packed cell Volume percentage (PCV %) in anestrous group of cows was significantly lower than that of control group of cows. The total erythrocyte count (TEC) of anestrous group of cows and control groups cows was 5.5±1.2 and 4.5±1.5 million/Jl, respectively. The difference in TEC between anestrous and control groups of cows was not significant. The mean total leukocyte count (TLC) in anestrous and control group of cows was 9.3±5.6 and 6.5±1.5, respectively. The TLC in anestrous group of cows was significantly higher than that in the control group of cows.

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