Summer scour syndrome in weaned dairy calves: case series

Table 3 Turnout date, grazing system, fertiliser applications, and herbage mass on CF and NCF

Description/management	CF			NCF
Description/management	CF 1	CF 2	CF 3	NCF 1	NCF 2
Date of visit	14/06/2023	15/06/2023	23/06/2023	22/06/2023	27/06/2023
Turnout	15/04/2023	11/05/2023	25/05/2023	21/04/2023	15/05/2023
Duration of clinical signs^a	ca. 2 weeks	2 days	ca. 2.5 weeks	ca. 2 weeks	ca. 3 weeks
Grazing system	Rotational grazing	Strip grazing	Rotational grazing	Rotational grazing	Strip grazing
Type of fertiliser applied^b	Protected urea	NPK	Protected urea	NPK	No fertiliser
Timing of fertiliser application^b	3 weeks	2 weeks	1 week	2–3 weeks	No fertiliser
Herbage mass (kg DM/ha)^c	2629	423	1838	836	742

ca. – circa; NPK – nitrogen, phosphorus, and potassium; Rotational grazing – pasture was divided into several paddocks and grazing was rotated sequentially; Strip grazing – grazing was allocated per strip of the paddock using a movable electric fence; ^a Since the onset of clinical signs to farm visits; ^b On the paddocks where the onset of clinical signs were observed, prior to calves grazing the paddocks; ^c Herbage mass on paddocks where calves were grazing on the day of farm visit

ISSN: 2046-0481