Results 131 to 140 of about 95,297 (317)
Investigation of perognathus as an experi- mental organism for research in space biology progress report, 1 apr. - 30 jun. 1965 [PDF]
Reproduction of mice in ...
Gambino, J. J., Lindberg, R. G.
core +1 more source
Oikos, EarlyView.Plasticity of diel activity rhythms may be a key element for adaptations of wildlife populations to changing environmental conditions. In the last decades, grizzly bears Ursus arctos in the Greater Yellowstone Ecosystem (GYE) have experienced notable environmental fluctuations, including changes in availability of food sources and severe droughts ...
Aurora Donatelli +4 more
wiley +1 more source
Effects of 2, 4, 5-Trichlorophenoxyacetic Acid on Swiss-Webster Mice [PDF]
, 1977 Pure and Commercial samples of the herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5- T) were tested on Swiss-Webster mice for: (1) interruption of the estrus cycle and (2) teratogenic effects.
Greer, Gerald S.
core +2 more sources
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
Assessing the Value of Coordinated Sire Genetics in a Synchronized AI Program [PDF]
Synchronized artificial insemination was used to inseminate cows using different types of sire genetics, including low-accuracy, calving-ease, and high-accuracy. These three calf sire groups were compared to calves born to cows bred using natural service.
Haden, Kent +5 more
core +1 more source
Endocrine Alterations Associated with Extended Time Interval Between Estrus and Ovulation in High-Yield Dairy Cows [PDF]
, 2006 A. Bloch +5 more
openalex +1 more source
Contrasting Vaginal Bacterial Communities Between Estrus and Non-estrus of Giant Pandas (Ailuropoda melanoleuca) [PDF]
, 2021 Chanjuan Yue +14 more
openalex +1 more source
Veterinary Record, EarlyView.Abstract Background Determination of the serum progesterone (P4) concentration is of high importance in reproductive medicine and may be applied for diagnosing pregnancy in South American camelids. P4 measurements in alpacas and llamas are usually performed using immunoassays, which are time consuming and require appropriate expertise of laboratory ...
Lina Längerer +5 more
wiley +1 more source
Veterinary Record Case Reports, EarlyView.Abstract This article presents two clinical cases of bilateral laparoscopic ovariectomy in Dexter heifers used as leisure animals to eliminate problematic sexual behaviour. Initial standing flank laparoscopy in one heifer failed due to anatomical limitations.
Cuevas‐Ramos Gabriel +3 more
wiley +1 more source