Results 171 to 180 of about 2,050 (212)

Behavioural observations of reintroduced Takhi or Przewalski horses (Equus ferus przewalskii) in Mongolia

Applied Animal Behaviour Science, 1996
Abstract During 1992 and 1993, 14 reintroduced Przewalski Horses or Takhi (Equus ferus przewalskii) were studied in the Hustain Nuruu Mountain Steppe reserve in Mongolia. Most of the individuals did not know each other before reintroduction. These Takhi were the first of five groups due to be released in the reserve after an acclimatisation period of
M. Dierendonck, N. Bandi, D. Batdorj, S. Dügerlham, B. Munkhtsog   +4 more
semanticscholar   +6 more sources

Annual Rhythm of Body Weight in Przewalski Horses (Equus ferus przewalskii)

Biological Rhythm Research, 2003
The live-weight of female Przewalski horses in a semi-natural reserve has been recorded continuously over 6 years by means of an automatic weighing machine and automatic identification. Data were tested for cyclic as well as for linear trend effects and a mathematical model was developed. A clear annual rhythm of live-weight with the maximum in October
Klaus M. Scheibe, Wolf Jürgen Streich
openalex   +2 more sources

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Reintroduction of Przewalski's horse (Equus ferus przewalskii) in Xinjiang, China: The status and experience

Biological Conservation, 2014
Abstract Przewalski’s horse reintroductions to Xinjiang, China were initiated in 1985. Here, we present the first data on population development and current problems of the Przewalski’s horse in both captive and released populations in Xinjiang. From 1985 to 2005, a total of 24 captive Przewalski’s horses (14 males and 10 females) were brought from ...
Canjun Xia, Jie Cao, Hefan Zhang, Xingyi Gao, Weikang Yang, D. Blank   +5 more
semanticscholar   +2 more sources

Seasonal adjustment of energy budget in a large wild mammal, the Przewalski horse (Equus ferus przewalskii) I. Energy intake [PDF]

Journal of Experimental Biology, 2006
SUMMARY Large ruminants respond to changing plant phenology during winter by decreasing voluntary food intake, increasing gut passage time and utilizing body fat reserves. It is uncertain, however, how other large mammals with a non-ruminant digestive physiology cope with winter forage conditions.
Regina Kuntz, Christina Kubalek, T. Ruf, F. Tataruch, W. Arnold   +4 more
semanticscholar   +3 more sources

Decision-Making in Przewalski Horses (Equus ferus przewalskii) is Driven by the Ecological Contexts of Collective Movements

Ethology, 2009
AbstractWe addressed decision‐making processes in the collective movements of two groups of Przewalski horses (Equus ferus przewalskii) living in a semi free‐ranging population. We investigated whether different patterns of group movement are related to certain ecological contexts (habitat use and group activity) and analysed the possible decision ...
Marie Bourjade, B. Thierry, M. Maumy, O. Petit   +3 more
semanticscholar   +3 more sources

ENHANCED EQUUS FERUS PRZEWALSKII OPTIMIZATION AND ADVANCED OSTEOLAEMUS SEARCH ALGORITHM

Suranaree Journal of Science and Technology
We apply the enhanced Equus Ferus Przewalskii optimization (EEPO) algorithm and the advanced Osteolaemus search optimization (AOSO) algorithm to solve true power loss reduction problems. Equus Ferus Przewalskii tends to pursue and run in its environment.
Lenin Kanagasabai
semanticscholar   +1 more source

ESTABLISHING REFERENCE INTERVALS FOR SERUM INFLAMMATORY MARKERS AND INVESTIGATING THEIR STORAGE STABILITY AND CLINICAL UTILITY IN ASIAN WILD HORSES (EQUUS FERUS PRZEWALSKII) UNDER MANAGED CARE

Journal of zoo and wildlife medicine
: Acute phase proteins (APPs) are commonly used in domestic equine practice, where they rise rapidly in response to inflammation and decrease soon after resolution.
Shannon Toy, Sandra R Black, Adriana R. Pastor, Douglas P Whiteside   +3 more
semanticscholar   +1 more source

PITUITARY PARS INTERMEDIA DYSFUNCTION (EQUINE CUSHING'S DISEASE) IN NONDOMESTIC EQUIDS AT MARWELL WILDLIFE: A CASE SERIES. ONE CHAPMAN'S ZEBRA (EQUUS QUAGGA CHAPMANI) AND FIVE PRZEWALSKI's HORSES (EQUUS FERUS PRZEWALSKII)

Journal of zoo and wildlife medicine, 2018
:  Pituitary pars intermedia dysfunction (PPID), also known as equine Cushing's disease, is widely reported in middle-aged to older domestic equids but to date reported in only one nondomestic equid, the onager (Equus hemionus onager).
J. C. Shotton, W. S. Justice, F. Salguero, Alan T Stevens, B. Bacci   +4 more
semanticscholar   +1 more source

Water consumption and watering behavior of Przewalski horses (Equus ferus przewalskii) in a semireserve

Zoo Biology, 1998
Water consumption by 12 female Przewalski horses was automatically measured in a semireserve for 17 months. Average daily consumption on a yearly basis was between 2.4 and 8.3 liters, but significant individual variation in water consumption and drinking frequency was recorded throughout the observation period.
K.M. Scheibe, K. Eichhorn, B. Kalz, W.J. Streich, A. Scheibe   +4 more
openaire   +1 more source

Oral and injectable synthetic progestagens effectively manipulate the estrous cycle in the Przewalski's horse (Equus ferus przewalskii)

Animal Reproduction Science, 2014
To date, there has been limited research on manipulation of the estrous cycle in endangered equids. The objectives of this study were to assess the efficacy of using combinations of: (a) oral altrenogest and PGF2α, and (b) injectable altrenogest and PGF2α for manipulation of ovarian activity in Przewalski's mares.
C. Wynne Collins, Steven L. Monfort, Mandi M. Vick, Barbara A. Wolfe, Rachael B. Weiss, Carol L. Keefer, Nucharin Songsasen   +6 more
openaire   +3 more sources