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Consequence of Exogenous Administration of Oxytocin on Reproductive and Productive Parameters during Postpartum Involution Period in Newly Calved Nili-Ravi Buffaloes

Consequence of Exogenous Administration of Oxytocin on Reproductive and Productive Parameters during Postpartum Involution Period in Newly Calved Nili-Ravi Buffaloes

Saeed Murtaza1, Abdul Sattar1*, Nasim Ahmad1, Muhammad Ijaz2Maqsood Akhtar3 and Muhammad Shahzad4

1Department of Theriogenology, University of Veterinary and Animal Sciences (UVAS), Lahore, Pakistan
2Department of Clinical Medicine and Surgery, UVAS, Lahore, Pakistan
3Buffalo Research Institute Pattoki, Pakistan
4Nuclear Institute for Agriculture and Biology, Faisalabad Pakistan

*      Corresponding author: masattar@uvas.edu.pk

Fig. 1.

Ultrasonographs of cervix among treatments: Control; A, Low dose 10IU; B, High dose 30IU; C at fifth week near complete involution. Arrow heads showing the longitudinal ultrasound images of cervix in three treatments: A, B and C with enhanced echogenicity in C part of Figure 1.

Fig. 2.

Comparison of means ± S.E (cm) of cervical diameter among three treatment groups between 3 to 48 days of postpartum period in Nili-Ravi buffaloes; Means± S.E with asterisk sign on days: 3; 16 and 48 of postpartum differs among treatment groups at P < 0.05.

Fig. 3.

Ultrasonographs of body of uterus at involution in three treatment groups: Control; A, Low dose 10IU; B, High dose 30IU; C at fifth week near complete involution. Arrow heads in A and B parts of Figure 3 indicate normal echogenicity while hyperechoic spots in C part of Figure 3.

Fig. 4.

Comparison of means ± S.E (cm) of the diameter of body of uterus among three treatment groups between 3 to 48 days of postpartum period in Nili-Ravi buffaloes; Means± S.E with asterisk sign on day 13 of postpartum differs among three treatment groups at P < 0.05.

Fig. 5.

Ultrasonographs of gravid horn in three treatment groups: Control; A, Low dose 10IU; B, High dose 30IU; C at fifth week near complete involution. Cross sectional ultrasound images of three treatment groups in Figure 5 showing normal echogenicity in A and B parts while enhanced echogenicity in C part.

Fig. 7.

Ultrasonographs of non-gravid horn in three treatment groups: Control; A, Low dose 10IU; B, High dose 30IU; C at fifth week near complete involution. Arrow head in C part of Figure 7 shows more echogenicity parallel to A and B parts.

Fig. 8.

Comparison of means ± S.E (cm) of non-gravid horn diameter among three treatment groups between 3 to 48 days of postpartum period in Nili-Ravi buffaloes. Means± S.E with asterisk sign on days: 3, 16 and 48 of postpartum differs among three treatments at P < 0.05.

Fig. 9.

Ultrasonographs of caruncles at involution in three treatment groups: Control; A, Low dose 10IU; B, High dose 30IU; C at the end of second week near complete regression. Arrow heads show caruncular points with enhanced echogenicity in C part of Figure 9.

Fig. 10.

Comparison of means ± S.E (cm) of caruncular diameter among three treatment groups between 3 to 48 days of postpartum period in Nili-Ravi buffaloes. Means± S.E with asterisk sign on days; 3 and 6 of postpartum differs at P < 0.05 among three treatment groups.

Fig. 11.

Comparison of means ± S.E (cm) of P4 concentration among three treatment groups between 3 to 48 days of postpartum period in Nili-Ravi buffaloes. Means± S.E with asterisk sign on day 20 of postpartum differs among three treatments at P < 0.05.

Fig. 6

Comparison of means ± S.E (cm) of gravid horn diameter among three treatment groups between 3 to 48 days of postpartum period in Nili-Ravi buffaloes. Means± S.E with asterisk sign on days: 3, 9 and 48 of postpartum differs at P < 0.05 among three treatment groups.

Pakistan Journal of Zoology

June

Vol. 52, Iss. 3, Pages 825-1224

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