scholarly journals Grazing Systems, Pasture Size, and Cattle Grazing Behavior, Distribution and Gains

1993 ◽  
Vol 46 (1) ◽  
pp. 81 ◽  
Author(s):  
R. H. Hart ◽  
J. Bissio ◽  
M. J. Samuel ◽  
J. W. Waggoner
Keyword(s):  
Cattle Grazing ◽  
Grazing Behavior ◽  
Grazing Systems

scholarly journals A Physiological-Monitoring Electronic Platform for Cattle Grazing Systems

2020 ◽  
Vol 11 (3) ◽  
pp. 1-12
Author(s):  
Ricardo R. Santos ◽  
Fabiana V. Alves ◽  
Patrik O. Bressan ◽  
Ricardo E. Aguiar ◽  
Wellington O. Santos ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Skin Temperature ◽  
Mobile Device ◽  
Electronic Device ◽  
Cattle Grazing ◽  
Physiological Data ◽  
Physiological Monitoring ◽  
Physiological Variables ◽  
Non Invasive ◽  
Grazing Systems

In this work, we present a non-invasive electronic platform for physiological data acquisition on cattle grazing systems. The platform can be used for dairy and beef cattle to continuously monitor physiological variables such as skin temperature, heartbeats, and respiratory frequency. The set of sensors are coupled into a halter so that they are in touch with the animal's forehead. Users can monitor the data acquired by the electronic device using a mobile device (smartphone or tablet) and it visualizes important physiological parameters in the platform cloud system.

scholarly journals Protein Supplementation and Grazing Behavior for Cows on Differing Late-Season Rangeland Grazing Systems

Animals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 3219
Author(s):  
James E. Sprinkle ◽  
Joseph K. Sagers ◽  
John B. Hall ◽  
Melinda J. Ellison ◽  
Joel V. Yelich ◽  
...  
Keyword(s):  
Early Morning ◽  
Protein Supplementation ◽  
Grazing Behavior ◽  
Late Season ◽  
Bite Rate ◽  
Measured Time ◽  
Late Evening ◽  
Grazing Systems ◽  
Time Periods ◽  
Walking Time

The objective was to determine if low- or high-residual feed intake (LRFI or HRFI, n = 24 for each) Hereford × Angus cows on continuously or rotationally grazed rangeland altered their grazing behavior when provided a protein supplement in late autumn. Treatments included continuously grazed, control (CCON, n = 12); continuously grazed, supplemented (CTRT, n = 12); rotationally grazed, control (RCON, n = 12); and rotationally grazed, supplemented pastures (RTRT, n = 12). Cows in each treatment had grazing time (GT), resting time (RT), and walking time (WLK) measured for 2 years with accelerometers. Bite rate (BR) was also measured. Time distributions of GT and RT differed by year (p < 0.05), being influenced by colder temperatures in 2016. Cattle in 2016 spent more time grazing during early morning and late evening (p < 0.05) and rested more during the day (p < 0.05). In 2017, cattle in the CCON treatment walked more (p < 0.05) during early morning time periods than did the CTRT cattle, indicative of search grazing. All supplemented cattle had greater BR (p < 0.05) than control cattle in 2017. Cattle with increased nutritional demands alter grazing behavior in a compensatory fashion when grazing late-season rangelands.

scholarly journals Relationship of Supplement Intake Behavior to Performance and Grazing Behavior of Cattle Grazing Mixed-Grass Rangelands

2021 ◽  
Vol 9 (2) ◽  
pp. 248
Author(s):  
Samuel A. Wyffels ◽  
Julia M. Dafoe ◽  
Cory T. Parsons ◽  
Darrin L. Boss ◽  
Timothy DelCurto
Keyword(s):  
Performance Metrics ◽  
Cattle Grazing ◽  
Birth Date ◽  
Grazing Behavior ◽  
Grazing Season ◽  
Mixed Grass ◽  
Cow Performance ◽  
Relationship Of ◽  
Supplement Intake ◽  
Cattle Performance

This study evaluated the relationships between supplement intake behavior, beef cattle performance, and grazing behavior on dormant northern mixed-grass rangelands. In each of two years, a commercial herd of bred cows grazed a rangeland pasture from November to January. All cattle were managed as one contemporary group. Calf birth date, birth weight, and adjusted 205-day weaning weight were collected for each cow following the grazing season each year as cow performance metrics. During the grazing season, all cattle were provided free-choice access to a self-fed supplement. Supplement intake behavior was measured for each individual. Grazing behavior was monitored for 30 randomly selected individuals. The relationship of individual average daily supplement intake (R = 0.65; ρ = 0.65), supplement consumption rate (R = 0.58; ρ = 0.54), the coefficient of variation of supplement intake (R = 0.51; ρ = 0.50), and the amount of time spent at the feeder (R = 0.47; ρ = 0.49) were positively correlated and ranked across years (P < 0.01), suggesting individual animal supplement intake behavior is repeatable for cattle grazing dormant season rangelands. Additionally, there were multiple significant associations between supplement intake behavior, cattle performance, and grazing behavior (P ≤ 0.05); however, the majority were weak associations that accounted for minimal variation in cattle performance and grazing behavior (R ≤ 0.27; r2 ≤ 0.07). Although supplement intake behavioral traits were repeatable across years, its use as a metric to predict animal performance and grazing behavior may be limited.

scholarly journals Selecting white clover (Trifolium repens L.) for sheep and cattle grazing environments

2006 ◽  
Vol 12 ◽  
pp. 123-126
Author(s):  
Zulfi Jahufer ◽  
John Ford ◽  
John Caradus ◽  
Derek Woodfield
Keyword(s):  
White Clover ◽  
Trifolium Repens ◽  
Cattle Grazing ◽  
Breeding Lines ◽  
Late Autumn ◽  
Commercial Cultivars ◽  
Grazing Systems ◽  
Trifolium Repens L ◽  
Autumn And Winter

Adaptation to different grazing systems is an important attribute in white clover breeding. A set of 41 white clover breeding lines and nine commercial cultivars were evaluated under two grazing systems, sheep and cattle, in Manawatu. The objective was to identify lines with either specific or broad adaptation to these two different grazing systems. The trials were established in late autumn 1997 and completed in autumn 2000. Visual scores of clover yield for spring, summer, autumn and winter of year 2 and spring, summer and autumn of year 3 were analysed. There was significant (P

Erratum to “Cattle grazing behavior with season-long free-choice access to four forage types” [Appl. Anim. Behav. Sci. 78 (2002) 29–42]

2003 ◽  
Vol 80 (2) ◽  
pp. 171-172
Author(s):  
Jeffrey S Fehmi ◽  
James F Karn ◽  
Ronald E Ries ◽  
John R Hendrickson ◽  
Jon D Hanson
Keyword(s):  
Free Choice ◽  
Cattle Grazing ◽  
Grazing Behavior
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