Results 61 to 70 of about 7,874 (189)

Culicoides biting midges (Diptera: Ceratopogonidae) feeding on donkeys in the United Kingdom, with reference to the risk of transmission and persistence of African horse sickness virus

open access: yesMedical and Veterinary Entomology, EarlyView.
Culicoides biting midges were collected at a donkey sanctuary in the United Kingdom using UV light‐suction traps. Culicoides were found in abundance and all specimens were identified to species level. Blood‐feeding on donkeys was confirmed by polymerase chain reaction (PCR) and sequencing of host bloodmeals. Donkeys could play a significant role in the
Zoe Langlands   +3 more
wiley   +1 more source

Use of RAPD and PCR double amplification in the study of ancient DNA

open access: yesJournal of Biological Research, 2011
This project analysed the DNA extracted from bones of ancient sheep which have been brought to light in Sardinian different archaeological sites. In order to better analyse this highly fragmented DNA, a double amplification technique was chosen.
F. Balzano   +4 more
doaj   +1 more source

Analysis of Sexual Behavior in Rams (Ovis aries).

open access: yesExperimental Animals, 1995
In this study, a matured ram was paired with an estrus ewe and sexual behavior was investigated. All the behavior was recorded by a time-lapse video tape recorder from the start of pairing. The series of unit movements comprising the sexual behavior, the mounting series (MS), was extracted from the record and analyzed quantitatively (n = 774).
K, Odagiri, Y, Matsuzawa, Y, Yoshikawa
openaire   +3 more sources

Tick‐Tac‐Foe: When Ticks, Trade, and Zoonotic Pathogens Align in African Wet Meat Markets

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Zoonotic diseases account for over ∼60% of infectious diseases and present a significantly growing fatality threat in Africa. Live and wet markets (LWMs) in Africa function as key economic venues that support human livelihoods through social interaction and trade in food stuff, including meat and other animal‐based products.
Allen Takudzwa Munaro
wiley   +1 more source

Blood testosterone level and growth of castrated, uncastrated, and cryptorchid lambs

open access: yesSemina: Ciências Agrárias, 2017
The objective of this study was to evaluate the effects of sexual status on blood testosterone levels and its influence on lamb growth. A total of 49 Texel x Corriedale males, originating of single births, were divided into three groups: uncastrated (n =
Pablo Tavares Costa   +5 more
doaj   +1 more source

Evolutionary and Ecological Determinants of the Phenology of Births in Wild Large Herbivores, a Systematic Review

open access: yesMammal Review, Volume 56, Issue 2, June 2026.
This semi‐systematic review supports the two dominant drivers of birth phenology: the seasonality and predation hypotheses. Even though there is evidence of their importance, the effects of female, offspring and population characteristics remain marginally accounted for. Asian and South and Central American species are currently understudied.
Lucie Thel   +2 more
wiley   +1 more source

Citizen science reveals host‐switching in louse flies and keds (Diptera: Hippoboscidae) during a period of anthropogenic change

open access: yesMedical and Veterinary Entomology, Volume 40, Issue 2, Page 305-322, June 2026.
A study of louse flies in the United Kingdom, Isle of Man, and Ireland found 212 different interactions between Hippoboscidae and their hosts, of which 70 were previously unrecorded. No louse flies were found on aquatic species of birds. Host‐switching to gulls (Laridae) has occurred during a period in which these species have started relying on ...
Denise C. Wawman   +2 more
wiley   +1 more source

Data gaps and heterogeneity limit our understanding of human–wildlife interactions: A continental study of Andean bears

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1499-1519, May 2026.
Abstract The expansion and intensification of human activities have increased interactions between people and wildlife. Interactions involving bears and other large carnivores are complex and can lead to conflicts. Promoting positive coexistence requires managing information, which is not always available.
Roxana Rojas‐VeraPinto   +2 more
wiley   +1 more source

Calm Merino ewes have a higher ovulation rate and more multiple pregnancies than nervous ewes

open access: yesAnimal, 2017
In 1990, two selection lines of Merino sheep were established for low and high behavioural reactivity (calm and nervous temperament) at the University of Western Australia.
E. van Lier   +4 more
doaj   +1 more source

Occipital condylar dysplasia in a Jacob lamb (Ovis aries).

open access: yesOpen veterinary journal, 2017
Jacob sheep (Ovis aries) are a pedigree breed known for their "polycerate" (multihorned) phenotype. We describe a four-horned Jacob lamb that exhibited progressive congenital hindlimb ataxia and paresis, and was euthanased four weeks post-partum. Necropsy and CT-scan revealed deformity and asymmetry of the occipital condyles, causing narrowing of the ...
Lee, Alison Marie   +3 more
openaire   +5 more sources

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