Age and seasonal pattern of contagious agalactia in small ruminants in Ukraine
, , , und | 09. März 2021
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Online veröffentlicht: 09. März 2021
Seitenbereich: 67 - 72
Eingereicht: 12. Aug. 2020
Akzeptiert: 10. Feb. 2021
DOI: https://doi.org/10.2478/jvetres-2021-0014
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© 2021 D.M. Bohach et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Fig. 1
Fig. 2
Seasonal pattern of contagious agalactia among sheep
| Months | 2016 | 2017 | 2018 | |||
|---|---|---|---|---|---|---|
| Infected animals | % | Infected animals | % | Infected animals | % | |
| January | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ |
| February | 6 | 5.3 | 2 | 2.2 | 1 | 2.6 |
| March | 26 | 22.8 | 24 | 26.1 | 6 | 15.8 |
| April | 12 | 10.5 | 7 | 7.6 | 8 | 21.0 |
| May | 3 | 2.6 | 1 | 1.1 | ‒ | ‒ |
| June | 18 | 15.8 | 21 | 22.8 | 11 | 28.9 |
| July | 39 | 34.2 | 28 | 30.4 | 7 | 18.4 |
| August | 9 | 7.9 | 7 | 7.6 | 4 | 10.5 |
| September | 1 | 0.9 | 2 | 2.2 | 1 | 2.6 |
| October | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ |
| November | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ |
| December | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ |
Incidence of contagious agalactia among lambs and goatlings
| Small ruminant | Number of tested animals | Incidence by age |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 month |
2 months |
3 months |
|||||||||||
| Affected | % | Fatalities | % | Affected | % | Fatalities | % | Affected | % | Fatalities | % | ||
| lambs | 475 | 69 | 14.5 | 21 | 4.4 | 6 | 1.3 | 0 | ‒ | 0 | ‒ | 0 | ‒ |
| goatlings | 308 | 36 | 11.6 | 11 | 3.6 | 5 | 1.6 | 1 | 0.3 | 0 | ‒ | 0 | ‒ |
Age pattern of contagious agalactia in sheep and goats on farms in the southern region of Odesa
| Incidence by age |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Small ruminants | Number of tested animals | Number of seropositive animals (%) | 1 year | 2 years | 3‒4 years | 5‒6 years | ||||
| Number of seropositive | % | Number of seropositive | % | Number of seropositive | % | Number of seropositive | % | |||
| Artsyzk district | ||||||||||
| sheep | 519 | 168 (32.4) | 109 | 64.9 | 52 | 30.9 | 1 | 0.6 | 6 | 3.6 |
| goats | 301 | 72 (23.9) | 43 | 59.7 | 29 | 40.3 | ‒ | ‒ | ‒ | ‒ |
| Bolgrad district | ||||||||||
| sheep | 586 | 146 (24.9) | 110 | 75.3 | 32 | 21.9 | ‒ | ‒ | 4 | 2.8 |
| goats | 470 | 106 (22.6) | 88 | 83.0 | 18 | 17.0 | ‒ | ‒ | ‒ | ‒ |
| Tarutyn district | ||||||||||
| sheep | 859 | 210 (24.4) | 166 | 79.0 | 44 | 21.0 | ‒ | ‒ | ‒ | ‒ |
| goats | 713 | 198 (27.8) | 139 | 70.2 | 56 | 28.3 | ‒ | ‒ | 3 | 1.5 |