Outdoor data recording from grazing cows
Evaluation of the RumiWatchSystem for measuring grazing behaviour of cows
... the cows have to be dosed orally twice a day over a 2-week ...animal recording system (Mezzalira et ...measure grazing and rumination. However, the maximum recording period of this system was ...
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A national methodology to quantify the diet of grazing dairy cows
... dairy cows allows them to digest fibrous forages and ...the cows’ diet and the time they spend ...a data source. The analysis was completed for a 3-yr period from 2013 to 2015 on a nationally ...
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Simulating the intake and nitrogen excretion from cows grazing forages fertilised with increasing rates of nitrogen
... dairy cows grazing forage grown under increasing N fertiliser rates were explored using a mechanistic model of a grazing ...Simulated cows were offered a common allowance (30 kg DM/cow/d) of ...
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Effect of calcified seaweed application on grazing preference by dairy cows
... of cows present within the trial plots in each field was recorded at hourly intervals between 1700 and 2100 hours inclusive on eight days each ...240 data points for each ...made from within the ...
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Survey of management practices of dairy cows grazing kale in Canterbury
... Although it might appear logical that break dimensions and shape would have an effect on utilisation through reduced trampling, the data from this survey does not support this. While long narrow breaks may ...
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Genetics of alternative definitions of feed efficiency in grazing lactating dairy cows
... methods Data Data were available from the Animal and Grassland Research and Innovation Centre, Teagasc Moorepark, Fermoy, ...for cows lactating between the years 1995 to 2014, ...8°16W). ...
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Studies of Autumn calving suckler cows, bulls at pasture and winter grazing
... The cows were housed in groups of five and individually offered their daily ...allowances. From the beginning of the experiment each group of five calves were offered a concentrate mix that was restricted ...
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Comparison of Brown Midrib Sorghum with Conventional Sorghum Forage for Grazing Dairy Cows
... starting from the cut ...These data were used to calculate the proportion of the total forage mass of each morphological unit per 10 cm stratum, and the proportion of green leaves, stem, and panicles in the ...
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Partial substitution of maize with soybean hulls in a concentrate supplement for grazing dairy cows
... the cows throughout the trial is presented in Table ...change from early spring to late spring are graphically presented in Figure ...The data points were obtained by combining the pasture samples ...
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Effect of dairy cows’ calving date and parity on milk production and quality at grazing
... Abstract: Grazing dairy cattle is the primary way to reduce production costs on farms of the humid regions from the European Atlantic ...at grazing is the basis of Graze’In model, a decision support ...
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Meta-analysis of the effect of pasture allowance on pasture intake, milk production, and grazing behavior of dairy cows grazing temperate grasslands
... extending grazing time, sometimes to even more than 650 min/d (Hodgson, ...meta-analysis, grazing time decreases and becomes an additional factor reducing pasture intake under severe grazing ...
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Impact of seasonal grazing on udder health of cows
... in cows (Dahl et ...of cows (Bareille et ...by grazing cows may, however, act as the stress fac- tors suspected of a higher subclinical mastitis inci- II: The results of three models of GLM ...
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Forage Intake and Grazing Performance by Dairy Cows.
... The three grazing peaks shown in the figure and the tendency for rela- tively long periods during which all cows grazed, lends further support to the idea that[r] ...
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Supplementation of Dairy Cows Grazing to Low and High Post Grazing Pasture Height
... ensure cows were achieving specified PGPH on a daily ...paddocks from each of the low PGPH treatment farmlets were mown to desired PGPH in rotation 3 as pre grazing mass exceeded ideal pre ...
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Supplementing Gestating Beef Cows Grazing Cornstalk Residue
... beef cows (n = 832) were used in a 5-year experiment conducted at the Uni- versity of Nebraska–Lincoln (UNL), Dalbey-Halleck Research Unit near Virginia, ...Neb. Cows were blocked an- nually by age, BCS, ...
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Automatic registration of dairy cows grazing behaviour on pasture
... digested. Grazing cattle have developed an advantageous foraging ...2004). Cows have a high foraging velocity (Shipley et ...The grazing cow must alternating accelerate, and slow down and stop in ...
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Milk production and composition of dairy cows grazing elephant grass under two grazing intervals
... 26-day grazing interval. Eight dairy cows were used, averaging 124 days lactation, 516 kg body weight and ...each. Data were analyzed in a cross-over design. The grazing frequencies did not ...
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Some challenges and opportunities for grazing dairy cows on temperate pastures
... “Frontal grazing” is the term used to describe an automated technique for incremental allocation of new areas of pasture to be ...automatic grazing system (Lely, 2007) and was claimed to increase the ...
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Dietary preference of dairy cows grazing ryegrass and white clover.
... the cows grazed a ...2 cows in each group was recorded by direct visual observation using scan sampling at 2-min ...the cows were eating, ruminating, or idling ...made from a raised, covered ...
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Study on nursing ability of Japanese Shorthorn cows in grazing land
... 80 いる（ Grings ら 2005 ）。その要因として哺乳中の母牛の泌乳量の低下や子牛の 牧草摂取量の減少などが影響すると考えられる（ Grings ら 2007 ）。本研究にお いて，このような気象が原因による子牛への発育の影響は観察されなかったが， 第二章において，シバ優占の自然草地への放牧は栽培草地への放牧に比べて， 夏子区，春子区の日本短角種子牛ともに [r] ...
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