Tick burden in Bos taurus cattle and its relationship with heat stress in three agroecological zones in the tropics of Colombia

Table 4 Tick burden by categories of the adaptability index (means ± standard errors) in four Colombian cattle breeds

	Blanco Orejinegro	San Martinero	Romosinuano	Costeño con Cuernos
Overall	17.7 ± 2.1^a	21.0 ± 1.8^b	12.8 ± 2.6^a	31.8 ± 2.3^c
AI category
≤ 2	16.1 ± 2.6^abx	19.6 ± 2.3^bx	9.4 ± 3.0^ax	30.8 ± 2.6^cx
> 2	19.3 ± 2.2^ax	22.3 ± 2.1^by	16.2 ± 2.9^ay	32.8 ± 2.6^bx

^abMeans with different superscripts in the same row are significantly different (P < 0.05)
^xyMeans with different superscripts in the same column are significantly different (P < 0.05)

ISSN: 1756-3305