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Subject: Veterinary Gynaecology and Obstetrics × Author: KRANTHI KIRAN, Y × End date: 2017 × Start date: 2010 × Type: Thesis ×
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    ThesisItemOpen Access
    ULTRASONOGRAPHIC EVALUATION OF UTERINE INVOLUTION AND POSTPARTUM CYCLICITY IN GRADED MURRAH BUFFALOES (Bubalus bubalis)
    (SRI VENKATESWARA VETERINARY UNIVERSITY TIRUPATI - 517 502. (A.P.) INDIA, 2016-12) KRANTHI KIRAN, Y; VENKATA NAIDU, G(MAJOR); SRINIVAS, MANDA; Raghunath, M
    ABSTRACT: A Study on postpartum uterine involution and cyclicity in thirty normally calved pluriparous Graded Murrah buffaloes in their second, third, fourth and fifth parity was undertaken during period (PP) from day 0 to day 60 , using rectal palpation, ultrasonographic and blood profile examination. The overall body condition score was recorded as 2.90±0.05. The involuting uterus reached the pelvic cavity as early as 21 days and as late as 49 days PP in 8/30 (26.66%) and 2/30 (6.66%) buffaloes, respectively. The time taken for the degeneration of the caruncular areas in the present study was 11.2±0.63 days. The mean diameters of involuting cervix, PGUH and NPGUH on day 7, 14, 21, 28, 35, 42, 49, 56, and 60 PP was 9.9±0.26, 7.5±0.24, 6.47±0.18, 5.22±0.13, 4.15±0.38, 4.04±0.05, 3.96±0.018, 3.95±0.04 and 4.09±0.32; 9.74±0.64, 4.70±0.19, 3.50±0.08, 2.98±0.29, 2.50±0.06, 2.45±0.06, 2.35±0.02, 2.21±0.01 and 2.2±0.02 and 8.14±0.17, 3.66±0.06, 2.82±0.08, 2.49 ±0.05, 2.36±0.06, 2.31±0.19, 2.26±0.11, 2.18±0.01 and 2.17±0.16 cm, respectively. The overall mean time taken from parturition to complete involution of the genital tract recorded in the present study was 29.86±1.38 (21-49) days. The mean incidence of behavioural estrus (14/30) in the present study was 41.23±2.23 (21-60) days. Presences of small, medium and large follicles were seen from day 14 postpartum, where as postpartum C.L was observed from day 21 PP. The sizes of the small, medium and large follicles were observed as 4.87±0.75, 7.87±0.57 and 10.90±0.43mm, respectively. Mean day for the emergence of a preovulatory follicle and its diameter was recorded as 42.40±1.86 (21-60) days PP and 12.7±0.35 mm. The time taken for the resumption of postpartum follicular activity characterized by follicular growth, ovulation and C.L formation was by 46.85±2.2 (21 to 60) days PP. There was as steady increase in the concentration of progesterone from day 14 (0.56±0.04 ng/ml) PP and reached 1.23±0.67 ng/ml by day 21 PP and this trend continued till day 60(1.32±0.32) PP in cyclic buffaloes, where as in acyclic buffaloes values remained below 1(0.60±0.07 to 0.42±0.03) ng/ml till day 60 PP. The mean calcium levels ranged between 8.9- 7.4 mg/dl in cyclic group of animals and in acyclic group these values were below 7 mg/ dl throughout the postpartum period and the mean phosphorus levels ranged between 4.5- 5.8 mg/dl in cyclic group and in acyclic group these values were below 5 mg/dl consistently throughout the study period.