Publication Date
1993
Description
Twelve tethered Angus cows were used to estimate 1he effect of structure and chemical composition of a pearl millet (Pennisetum americanum L. Leeke cv, Tifleaf-.2. hybrid) pasture.on grazing. behaviour. Cerone (ethephon (2-chloroethyl) phosphonic acid) plant growth retardant (fOR) was broadcast, establishing canopy heights of 0.855, 0.716 and 0,829 m;• neutral detergent fibr (NDP) of 65,3, 63 .. 4 ·and 64.91/'; acid detergent • fibre (ADF) of 37.6, 36.2 and,37.5%: and in vitro organic .matter digestibility (lVOMD) of 66.4, 67 .9 and 66.9% (Treatment 1. (Tl), T2 and ·T3, respectively). ·Effective biting rate (BBR) averaged 24, 28 an!l 25 bites/min for,Tl-T3. Biting rate (BR) was 9, 22, 28'and 33 bites/min, BBR.was.,12, 27, 39 and 33.bitcs/min;-and effective grazing time (BOT) was 66, 74, 94 and 100 % for, days 1 through 4, respectively. Cows initially avoided grazing the novel pasture; by the end of the experiment there.,was no .evidence that' \:OWS were .completely conditioned to. the new pasture, but grazing activity had increased,,
Citation
Arias, J E.; Dougherty, C T.; and Collins, M, "Grazing Behavior of Beef Cattle During First-Time Exposure to a Pearl Millet Pasture Treated with a Chemical Plant-Growth Regulator" (2024). IGC Proceedings (1993-2023). 1.
https://uknowledge.uky.edu/igc/1993/session18/1
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Grazing Behavior of Beef Cattle During First-Time Exposure to a Pearl Millet Pasture Treated with a Chemical Plant-Growth Regulator
Twelve tethered Angus cows were used to estimate 1he effect of structure and chemical composition of a pearl millet (Pennisetum americanum L. Leeke cv, Tifleaf-.2. hybrid) pasture.on grazing. behaviour. Cerone (ethephon (2-chloroethyl) phosphonic acid) plant growth retardant (fOR) was broadcast, establishing canopy heights of 0.855, 0.716 and 0,829 m;• neutral detergent fibr (NDP) of 65,3, 63 .. 4 ·and 64.91/'; acid detergent • fibre (ADF) of 37.6, 36.2 and,37.5%: and in vitro organic .matter digestibility (lVOMD) of 66.4, 67 .9 and 66.9% (Treatment 1. (Tl), T2 and ·T3, respectively). ·Effective biting rate (BBR) averaged 24, 28 an!l 25 bites/min for,Tl-T3. Biting rate (BR) was 9, 22, 28'and 33 bites/min, BBR.was.,12, 27, 39 and 33.bitcs/min;-and effective grazing time (BOT) was 66, 74, 94 and 100 % for, days 1 through 4, respectively. Cows initially avoided grazing the novel pasture; by the end of the experiment there.,was no .evidence that' \:OWS were .completely conditioned to. the new pasture, but grazing activity had increased,,
