Abstract
Certain blood parameters indicate the postpartum reproductive performance in cattle. In the present study, blood samples were collected from 25 lactating animals on 10 ththth th day of calving and thereafter at weekly intervals upto 12 weeks postpartum. The samples were analyzed for glucose, cholesterol, serum urea nitrogen (SUN) and total proteins, which were correlated with the postpartum reproductive efficiency in cattle. Animals with more amount of blood glucose (55.49mg/dl) came to heat within 2 months compared to those with lesser blood glucose (50.20mg/dl), which came to heat after 2 months postpartum. There was no significant difference in the blood total protein concentration between the two groups of animals i.e which conceived with in 3 months and another group which conceived after 3 months. Significantly more blood cholesterol (181.8mg) was present in animals which came to heat within 2 months than animals with cholesterol (159.9mg/dl) which came to heat after 2 months postpartum. Animals with lesser BUN (14.74 mg/dl) came to heat early compared to those with more amount of BUN (15.69 mg/dl). There was significant correlation of blood glucose, cholesterol and BUN with first postpartum heat.
Highlights
Certain blood parameters indicate the postpartum reproductive performance in cattle
(P < 0.0001) more amount of blood glucose was present in animals which came to estrus within 2 months compared to those which came to estrus after 2 months postpartum
There was no significant difference (P > 0.05) in the plasma glucose values of first three months postpartum between the two groups of animals i.e. one group, which conceived before 3 months and the other group which conceived after 3 months postpartum (54.22 ± 0.68 and 53.71 ± 0.79 mg per cent, respectively). 3.2 Total protein
Summary
Certain blood parameters indicate the postpartum reproductive performance in cattle. There was significant correlation of blood glucose, cholesterol and BUN with first postpartum heat. Adversely affect reproductive performance of cattle during postpartum period [3] In view of this situation, Francisco et al [21] has concluded that blood glucose act as significant indicators or predictors of postpartum ovulations. Some of the recent studies conducted abroad indicate that certain blood parameters can indicate the postpartum reproductive performance in exotic cattle [4] [5]. Such studies are lacking in our country. P.et al / Relation of various physiological blood parameters with the postpartum reproductive efficiency in cattle 781 urea nitrogen (BUN) and total proteins to correlate them with the postpartum reproductive efficiency
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