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Oestrus synchronisation with progesterone-containing sponge and equine chorionic gonadotropin in Pirlak ewes during the non-breeding season: can Toryum improve fertility parameters? Cover

Oestrus synchronisation with progesterone-containing sponge and equine chorionic gonadotropin in Pirlak ewes during the non-breeding season: can Toryum improve fertility parameters?

Journal of Veterinary Research
Volume 64 (2020): Issue 4 (December 2020)
By: ,  ,  ,  ,   and    
Open Access
|Nov 2020
Figures & tables

Figures & Tables

Table 1

Ingredients and composition of concentrate mixture fed to ewes

Items%
Barley28.00
Wheat bran16.65
Corn40.00
Cottonseed meal (38 CP)6.00
Soybean meal (48 CP)5.28
Marble powder2.77
Salt1.00
Vitamin and mineral premix*0.30

[i] CP – crude protein; * – contents of vitamin and mineral premix in 1 kg: 100 g of Na, 33 mg of I, 7 mg of Ca, 27 mg of Se, 3,000 mg of Fe, 2,660 mg of Mn, 167 mg of Cu, 10,000 mg of α-tocopherol, 300,000 IU of cholecalciferol, and 3,000,000 IU of retinol

Table 2

Contents of Toryum soft capsules in 1 kg

Vitamins
Vitamin A5,000,000 IU
Vitamin D31,200,000 IU
Vitamin E50,000 mg
Vitamin K3600 mg
Fatty acid
Eicosapentaenoic Acid (EPA, Omega 3)43,450 mg
Docosahexaenoic Acid (DHA, Omega 3)29,000 mg
Minerals
Sodium500 mg
Potassium500 mg
Calcium1,600 mg
Magnesium800 mg
Trace elements
Copper (CuSO4)2,000 mg
Iron (FeCO3)2,000 mg
Manganese (MnSO4)2,000 mg
Zinc (ZnO)2,000 mg
Phosphorus (H3PO4)800 mg
Iodine (NaI)100 mg
Selenium (Na2SeO3)1,500 mg
Fig. 1

Schematic view of synchronisation

eCG – equine chorionic gonadotropin; T – Toryum soft capsule; d – day; USG – transrectal ultrasonography; ED – oestrus detection

Table 3

Changes in fertility parameters in the groups

Fertility parametersG1 (n = 30)G2 (n = 30)G3 (n = 30)G4 (n = 30)P value
Oestrus onset (h) ¥37.3 ± 0.8a36.5 ± 0.9a31.9 ± 1.4b30.1 ± 1.3b< 0.001
Oestrus rate (%)100 (30/30)96.7 (29/30)100 (30/30)93.3 (28/30)NS
Pregnancy rate (%) #66.7 (20/30)*46.7 (14/30)50 (15/30)40 (12/30)*< 0.05
Conception rate (%)66.7 (20/30)48.3 (14/29)50 (15/30)42.9 (12/28)NS
Lambing rate (%)100 (20/20)100 (14/14)93.3 (14/15)100 (12/12)NS
Multiple birth rate (%)50 (10/20)14.3 (2/14)42.9 (6/14)25 (3/12)NS
Litter size (n)1.551.141.431.25NS
Survival rate (%)87.1 (27/31)87.5 (14/16)95.0 (19/20)86.67 (13/15)NS

G1 – Toryum, 10-d progesterone-containing sponge, eCG, Toryum; G2 – 10-d progesterone-containing sponge, eCG; G3 – Toryum, 14-d progesterone-containing sponge, eCG, Toryum; G4 – 14-d progesterone-containing sponge, eCG;

¥ – oestrus onset hour is given as mean ± SEM

a – difference between values in the same row with different letters is significant

a – difference between values in the same row with different letters is significant

b – difference between values in the same row with different letters is significant

b – difference between values in the same row with different letters is significant

# – pregnancy rate on the 30th d after mating; NS – non-significant

* – significant difference between G1 and G4; eCG – equine chorionic gonadotropin

* – significant difference between G1 and G4; eCG – equine chorionic gonadotropin

Table 4

Type of birth and gender rates in groups

ParametersG1 (n = 30)G2 (n = 30)G3 (n = 30)G4 (n = 30)P value
Single50 (10/20)85.7 (12/14)57.1 (8/14)75 (9/12)NS
Birth type (%)Twin45 (9/20)14.3 (2/14)42.9 (6/14)25 (3/12)NS
Triplets5 (1/20)0 (0/14)0 (0/14)0 (0/12)-
Gender (%)Female
Male		51.6 (16/31)
48.4 (15/31)		37.5 (6/16)
62.5 (10/16)		45 (9/20)
55 (11/20)		40 (6/15)
60 (9/15)		NS
NS

[i] G1 – Toryum, 10-d progesterone-containing sponge, eCG, Toryum; G2 – 10-d progesterone-containing sponge, eCG; G3 – Toryum, 14-d progesterone-containing sponge, eCG, Toryum; G4 – 14-d progesterone-containing sponge, eCG; eCG – equine chorionic gonadotropin; NS – non-significant

DOI: https://doi.org/10.2478/jvetres-2020-0074 | Journal eISSN: 2450-8608 (formerly 2300-3235)
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Language: English
Page range: 573 - 579
Submitted on: May 1, 2020
Accepted on: Oct 20, 2020
Published on: Nov 6, 2020
Published by: National Veterinary Research Institute in Pulawy
In partnership with: Paradigm Publishing Services
Keywords:
ewes,
oestrus synchronisation,
progesterone-containing sponge,
Toryum,
vitamins
Related subjects:
Life sciences,
Molecular biology,
Microbiology and virology,
Life sciences, other,
Medicine,
Veterinary medicine

© 2020 Mushap Kuru, Buket Boga Kuru, Osman Sogukpinar, Cigdem Cebi Sen, Hasan Oral, Turgut Kirmizibayrak, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 64 (2020): Issue 4 (December 2020)
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