Abstract
Effects of Dietary Supplementation of Scutellaria baicalensis Extract During Early Lactation on Milk Production of Dairy Cattle
Highlights
Inflammation during the transition period has been well established and is associated with reduced milk yield and reproductive performance
Multiparous Holstein cows (n = 122) were used in a randomized block design to determine the effect of short-term and long-term postpartum administration of Scutellaria baicalensis extract (SBE) on 305-day milk yield, 120-day milk component yield, and early lactation milk markers of inflammation and metabolic function
Whole-lactation milk yield was increased for SBE60 compared to control, but SBE5 did not differ from control
Summary
Inflammation during the transition period has been well established and is associated with reduced milk yield and reproductive performance. Previous research demonstrated that short-term postpartum administration (3 days) of the nonsteroidal anti-inflammatory drugs (NSAID) sodium salicylate and meloxicam increases whole-lactation milk and protein yields. The fact that use of NSAIDs during early lactation is considered off-label drug use, has encouraged investigation of plant extracts as a natural alternative. Extracts from the Scutellaria baicalensis plant, containing several flavonoids, have shown anti-inflammatory and antioxidant properties in cell culture experiments. The objective of this study was to determine the effect of short-term (5-day) and long-term (60-day) administration of Scutellaria baicalensis extract (SBE) after calving on milk yield and milk markers of inflammation and metabolic function. Secondary outcomes examined were effects of SBE on milk components, somatic cell count, time to pregnancy, disease incidence, and retention in the herd
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