Influence of natural and climatic conditions on the distribution and forms of contagious agalactia in sheep in Bessarabia, Ukraine

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Characteristics of hydrometeorological conditions in the south of the Odesa region (Bessarabia) in 2014

Months	Precipitation, mm	Average temperature, °С	Sum of active temperatures ( tact >10), °С	HTC
January	30.5	1.1	0.0	‒
February	44.9	5.6	0.0	‒
March	26.4	10.9	338	0.8
April	31.1	13.3	399	0.5
May	28.4	18.5	574	0.5
June	26.1	23.1	693	0.4
July	29.5	24.9	772	0.4
August	27.7	25.5	791	0.4
September	29.1	19.7	591	0.5
October	30.0	13.8	428	0.7
November	42.2	9.6	0.0	‒
December	45.5	3.7	0.0	‒

Dynamics of the incidence of contagious agalactia in sheep in Bessarabia over 11 years

Year	Number of tested animals	Number of seropositive animals	Morbidity, %
2011	210,980	20,630	9.8
2012	210,575	30,361	14.4
2013	200,415	14,112	7.0
2014	198,220	12,976	6.5
2015	195,935	18,420	9.4
2016	190,800	25,010	13.1
2017	179,267	19,889	11.1
2018	184,339	14,644	7.9
2019	180,972	13,412	7.4
2020	168,056	15,623	9.3
2021	165,770	21,960	13.2

Characteristics of hydrometeorological conditions in the south of the Odesa region (Bessarabia) in 2012

Month	Precipitation, mm	Average temperature, °С	Sum of active temperatures (tact > 10), °С	HTC
January	20.1	0.9	0.0	‒
February	33.0	2.4	0.0	‒
March	39.4	11.6	360	1.1
April	41.5	13.5	405	1.0
May	68.1	20.4	632	1.1
June	46.3	22.9	687	0.7
July	49.9	26.7	828	0.6
August	48.7	25.5	791	0.6
September	52.4	21.3	639	0.8
October	48.8	13.6	422	1.2
November	36.2	10.2	306	1.2
December	53.2	2.9	0.0	‒