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  1. Amount and diurnal distribution of grazing time by stocker cattle under different tall fescue management strategies

    Contributor(s):: Coffey, K. P., Moyer, J. L., Brazle, F. K., Lomas, L. W.

    The effects of endophyte level, ladino clover interseeding, grazing management or supplemental antibiotics on stocker cattle performance and the amount and diurnal distribution of grazing time by stocker cattle on tall fescue (Festuca arundinacea) pastures was evaluated. Grazing time was measured...

  2. An analysis of factors influencing spatial distribution in flocks of grazing sheep

    Contributor(s):: Arnold, G. W., Maller, R. A.

  3. An analysis of ingestive behaviour and activity of cattle under field conditions

    Contributor(s):: Ruckebusch, Y., Bueno, L.

    The times spent by cattle in grazing, walking, ruminating, non-chewing and resting under field conditions for 24-h periods in autumn and winter during 3 consecutive yr were recorded by means of vibracorders. Three 500-kg cows (5, 7 and 17 yr old, resp.) were used in the trials which were...

  4. An automatic system to monitor lying, standing and walking behaviour of grazing animals

    Contributor(s):: Champion, R. A., Rutter, S. M., Penning, P. D.

    Sensors incorporating mercury tilt switches were used to measure the lying, standing and walking behaviour of grazing cattle and sheep. The lying/standing sensor was suspended below the animal, whilst the walking sensor was fitted to the shin of the animal's foreleg. Both switches gave a...

  5. An automatic system to record foraging behaviour in free-ranging ruminants

    Contributor(s):: Rutter, S. M., Champion, R. A., Penning, P. D.

    Precise measurements of grazing behaviour are required to develop an understanding of the factors affecting the foraging behaviour of free-ranging domestic ruminants. An automatic, microcomputer-based system for the digital recording of the jaw movements of free-ranging cattle and sheep is...

  6. An indoor method for studying the preferences of sheep and cattle at pasture

    Contributor(s):: Dumont, B., Petit, M.

    The choices of heifers and ewes between a poor quality hay (Festuca arundinacea) offered ad libitum, and a good quality hay (main species; Festuca rubra, Dactylis glomerata, Lolium perenne and Poa trivialis) offered in limited quantities were measured in 2 trials. The experiments were designed to...

  7. Animal agriculture: symbiosis, culture, or ethical conflict? (Animals and their welfare)

    Contributor(s):: Lund, V., Olsson, I. A. S.

    Several writers on animal ethics defend the abolition of most or all animal agriculture which they consider an unethical exploitation of sentient non-human animals. However, animal agriculture can also be seen as a co-evolution over thousands of years, that has affected biology and behaviour on...

  8. Application of a new technique to studying the grazing behaviour of roe deer ( Capreolus capreolus )

    Contributor(s):: Hall, S. J. G., Neveu, H., Sempere, A. J.

    A new technique of graphical analysis was developed that is based on plotting the cumulated time spent in one activity against that spent in another. This method was tested on confined (melatonin-treated and control) and free-living roe deer (Capreolus capreolus) in France over a period of 6...

  9. Assessing dairy cow welfare at the beginning and end of the indoor period using the Welfare Quality (R) protocol

    Contributor(s):: de Graaf, S., Ampe, B., Tuyttens, F. A. M.

  10. Associations between individuals and home-range behaviour in natural flocks of three breeds of domestic sheep

    Contributor(s):: Arnold, G. W., Wallace, S. R., Rea, W. A.

  11. Bactrian camel foraging behaviour in a Haloxylon ammodendron (C.A. Mey) desert of Inner Mongolia

    | Contributor(s):: Zhao, MengLi, Willms, W. D., Han, GuoDong, Jin, Ye

    The Bactrian camel (Camelus bactrianus ferus) is uniquely adapted to the deserts of China and Mongolia. It was domesticated about 3000 years ago but the wild Bactrian camel is endangered with less than 1000 remaining in China. We observed the foraging behaviour of 10 domestic Bactrian camels...

  12. Behavior of grazing cattle exposed to small populations of stable flies ( Stomoxys calcitrans L.)

    | Contributor(s):: Dougherty, C. T., Knapp, F. W., Burrus, P. B., Willis, D. C., Cornelius, P. L.

    The authors hypothesized that cattle grazing in the presence of low-level infections of stable flies may offset reductions of grazing time by increasing their rate of herbage intake, and that this may contribute to the determination of economic threshold populations. On 4 consecutive days, 4...

  13. Behavior of grazing purebred and crossbred dairy cows under tropical conditions

    | Contributor(s):: Matias, J. M.

    Recent dairy development thrusts in the Philippines focus on increasing existing stock through the importation of dairy animals, particularly Holstein x Sahiwal crossbreds. This study was conducted to determine and compare the behaviour of purebred Holstein and crossbred (Holstein x Sahiwal)...

  14. Behaviour of dairy cows kept in extensive (loose housing/pasture) or intensive (tie stall) environments 1. Experimental procedure, facilities, time budgets - diurnal and seasonal conditions

    | Contributor(s):: Krohn, C. C., Munksgaard, L., Jonasen, B.

    Twelve dairy cows were placed in a stimuli-rich environment, a 'dairy cow park', for 2.5 years. The 'park' consisted of an extensive barn with deep bedding, a yard and a pasture. The cows were milked and fed twice a day in the barn, but had free access to the whole area at all times. During the...

  15. Behaviour to the human as a individuality of the milking cows

    | Contributor(s):: Shuji, Y.

    The importance of dairy cattle behaviour towards humans was examined. 17 milking cows of Niigata University Muramatsu Station were investigated. The behaviours to one human inside of cowshed and in the pasture were examined. Responses to the behaviour which the human did to the cows, the...

  16. Behavioural and physiological responses to pest flies in pastured dairy cows treated with a natural repellent

    | Contributor(s):: Woolley, Carrie E., Lachance, Simon, DeVries, Trevor J., Bergeron, Renée

    The effects of reducing fly attack intensity, using an essential oil fly repellent, on fly avoidance behaviour, grazing, milk production and stress was evaluated. Twenty Holstein dairy cows on pasture were divided into two groups of 10, which were alternatively treated with the repellent, or left...

  17. Behavioural patterns of heifers under intensive and extensive continuous grazing on species-rich pasture in the Czech Republic

    | Contributor(s):: Hejcmanova, P., Stejskalova, M., Pavlu, V., Hejcman, M.

    This study examines the effects of season and of two grazing intensities, namely extensive grazing (EG) and intensive grazing (IG), on the grazing behaviour of heifers on species-rich upland pasture in the Czech Republic. Ten or eight (IG), and six or four (EG) heifers were continuously stocked...

  18. Behavioural response of pure Ankole and crossbred (Ankole * Holstein) cows to seasonal pasture variations in south-western Uganda

    | Contributor(s):: Idibu, J., Kabi, F., Mpairwe, D.

    This study evaluated the effects of season and pasture species on variations in sward composition, pasture quantity (plant-height and biomass) and quality [crude protein (CP), neutral detergent fibre (NDF) and in vitro organic matter digestibility (IVOMD)]. Behavioural responses of a group of 10...

  19. Behavioural response of pure Ankole and crossbred (AnkoleƗHolstein) cows to seasonal pasture variations in south-western Uganda

    | Contributor(s):: Idibu, Joachine, Kabi, Fred, Mpairwe, Denis

    This study evaluated the effects of season and pasture species on variations in sward composition, pasture quantity (plant-height and biomass) and quality [crude protein (CP), neutral detergent fibre (NDF) and in vitro organic matter digestibility (IVOMD)]. Behavioural responses of a group of 10...

  20. Behavioural responses by yaks in different physiological states (lactating, dry or replacement heifers), when grazing natural pasture in the spring (dry and germinating) season on the Qinghai-Tibetan plateau

    | Contributor(s):: Ding, LuMing, Long, RuiJun, Yang, YuHai, Xu, SongHe, Wang, ChangTing

    Using heterogeneous vegetation in alpine grassland through grazing is a necessary component of de-intensification of livestock systems and conservation of natural environments. However, better understanding of the dynamics of animal feeding behaviour would improve pasture and livestock grazing...