The Behaviour and Productivity of Mid-Lactation Dairy Cows Provided Daily Pasture Allowance over 2 or 7 Intensively Grazed Strips

Animals : an Open Access Journal From MDPI
Megan VerdonM J Freeman

Abstract

Research into the effects of intense grazing regimes on cattle behaviour and productivity will support the ethical intensification of pastoral dairy production. Two treatments were applied to two herds of 30 mid-lactation cows over 28 days. Cows were offered an estimated 12 kg DM/cow (above 5 cm from ground level) of irrigated pasture per day. The control herd received their daily pasture allocation in two equal grazings while the experimental herd received theirs over seven smaller grazings. Backgrazing beyond the current allocation (morning or afternoon) was prevented. Individual records were taken daily for milk production and behaviour (MooMonitor⁺). Milk composition, energy corrected milk (ECM), and live weight were recorded weekly. Feeding mid-lactation dairy cows over seven smaller grazing allocations reduced the time cows spent ruminating (p < 0.001), milk yield (p < 0.001), and ECM (p < 0.05). However, milk composition, live weight, time feeding, and pasture consumption were not affected by feeding frequency (p > 0.05). Cattle may have adapted their ingestive behaviour in response to the more intensive strip-grazing regime utilised in this study, with negative consequences for digestive processes and consequently milk ...Continue Reading

References

Dec 2, 2008·New Zealand Veterinary Journal·Kj Stafford, Ng Gregory
Nov 26, 2009·Journal of Comparative Psychology·Jeffrey C Schank, Thomas J Koehnle
Jul 25, 2015·Animal : an International Journal of Animal Bioscience·D M WearyM A G von Keyserlingk
Sep 21, 2017·Animals : an Open Access Journal From MDPI·Dana L M CampbellCaroline Lee

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Citations

Nov 26, 2020·Animals : an Open Access Journal From MDPI·Jessica G PollockDeborah A McConnell
Mar 13, 2021·Frontiers in Veterinary Science·Caroline Lee, Dana L M Campbell
Oct 17, 2021·Tropical Animal Health and Production·Alysson Martins WanderleyMarcus Vinícius Moraes de Oliveira

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Software Mentioned

MooMonitor
AWS100
MooMonitor +
SPSS

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