Results 51 to 60 of about 18,496 (265)
Calving distribution of Alaska's Steese-Fortymile caribou herd: A case of infidelity?
Rangifer, 1986 The Steese-Fortymile caribou (Rangifer tarandus granti) herd has changed its calving distribution frequently during the past 30 years. A «traditional» calving area, used for decades, west of the Steese Highway (Preacher Creek) was abandoned after 1963 ...
Patrick Valkenburg, James L. Davis
doaj +1 more source
Familiarity and aggression shape long‐term associations and mortality risk in a solitary ungulate
Oikos, EarlyView.Periodic social interactions are important to animal fitness, even in solitary species. For solitary species, these interactions can be unexpected and shaped by previous encounters. Despite being aggressive and largely solitary, black rhinoceroses Diceros bicornis are commonly seen in groups, suggesting they may engage in more social behaviours than ...
Rachel M. Stein, Adrian M. Shrader
wiley +1 more source
Earlier calves are heavier calves
California Agriculture, 1969 CATTLEMEN HAVE OBSERVED that calves dropped early in the calving season arc heavier at weaning and more profitable than calves dropped late in the calving season. Animal scientists have pointed out that weaning weight is the result of age at weaning and average daily gain from birth to weaning.
W Johnson, J Elings
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People and Nature, EarlyView.Abstract The expansion of grey wolves (Canis lupus) across the western United States, including on public lands used for extensive livestock grazing, requires tools and techniques for reducing wolf–livestock conflict and supporting coexistence. We examined approaches used on forested lands managed by the U.S.
Robert M. Anderson +3 more
wiley +1 more source
People and Nature, EarlyView.Abstract Pastoral practices remain a widespread economic activity across European mountain regions. However, the viability of this activity may be threatened by the recovery of large wild vertebrates associated with passive rewilding, leading to the so‐called human–wildlife conflicts.
P. Acebes +4 more
wiley +1 more source
People and Nature, EarlyView.Abstract Farming systems of high natural and cultural value represent approximately 30% of farmlands in the European Union and are associated with a high species and habitat diversity and/or the presence of species of European conservation concern. This study aims to synthesize the existing knowledge on the assessment of biodiversity and ecosystem ...
Elsa Varela +4 more
wiley +1 more source
Poikilocytosis of Newborn Calves
The Japanese Journal of Veterinary Science, 1982 出生直後から異常な呼吸速迫を示した牛新生子の多数例において, 著明な赤血球の変形が認められた. これらの呼吸速迫例は500～1,000mlの輸血により速やかに好転, 回復した. 本症は, 体温変化のないこと, 肺聴診で異常がないこと, さらに赤血球の形態異常などから, 肺炎との識別が可能であった.
SATO, Teruo, MIZUNO, Mitsuyasu
openaire +3 more sources
People and Nature, EarlyView.Abstract Indigenous Peoples in northern Alberta, including Dené and Cree of the Athabasca Chipewyan and Mikisew Cree First Nations (ACFN and MCFN), have been using Indigenous laws and stewardship principles to care for their homelands for thousands of years. Since ACFN and MCFN signed Treaty 8 with Canada in 1899, Alberta's land management policies and
Lori Cyprien +6 more
wiley +1 more source
People and Nature, EarlyView.Abstract While large carnivore expansion is a conservation success, it increasingly challenges pastoralism. Beyond economic value, pastoralism provides critical biodiversity and sociocultural benefits, recognized by the UN and the EU's ‘High Nature Value farming’ designation.
Valeria Salvatori +3 more
wiley +1 more source
Journal of Dairy Science: This study aims to determine the effects of feeding, management, and reproductive strategies used to reduce age at first calving (AFC) on production and reproductive performance through meta-analytic methods.
A.K.G. Lean +5 more
doaj +1 more source