Results 101 to 110 of about 25,338 (258)

Desempenho reprodutivo de vacas de corte em lactação e solteiras submetidas à indução/sincronização de estro Reproductive performance of suckling beef and non-suckling beef cows submitted to estrus induction/synchronization

open access: yesCiência Rural, 2008
Com o objetivo de caracterizar o desempenho produtivo e reprodutivo de duas categorias de vacas de corte submetidas à indução/sincronização de estro, foram utilizadas 42 vacas em lactação e 60 vacas solteiras da raça Aberdeen Angus, de tamanho similar e ...
Cássio Cassal Brauner   +4 more
doaj   +1 more source

Ozone‐driven degradation of sex pheromone in Plutella xylostella: Implications for reproductive communication and mating success

open access: yesInsect Science, EarlyView.
In this study, we examined whether realistic ozone concentrations can interfere with sexual communication in the insect pest Plutella xylostella, the diamondback moth. Ozone exposure caused a degradation of pheromone components, leading to significant changes in blend composition and component ratios.
Francesco Sorrentino   +3 more
wiley   +1 more source

A influência do ambiente físico e social no bem-estar de leitões desmamados [PDF]

open access: yes, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-Graduação em Agroecossistemas.Na suinocultura industrial, o desmame de leitões é realizado de forma brusca, geralmente às 3 semanas de vida e ...
Souza, Gisele P. Pacheco de
core  

An Overview of the Rock Art of AlUla: Tracing Changes in Content and Form Across 12,000 Years of Human History

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Between 2018 and 2021, the Identification and Documentation of Immovable Heritage Assets (IDIHA) Project recorded over 19,000 rock art panels in the AlUla (al‐‘Ulā) region of north‐western Saudi Arabia. This study presents a chronological assessment of the corpus, drawing on superimpositions, datable motifs, inscriptions, and varnish formation,
Maria Guagnin   +3 more
wiley   +1 more source

Trace Element Patterns in Juvenile Wild Chimpanzee Dentitions

open access: yesArchaeometry, EarlyView.
ABSTRACT Trace elements are used to infer mammalian early‐life diets, environmental toxins, dispersal patterns, stress histories, and weaning ages. Here, we employ laser ablation‐inductively coupled plasma‐mass spectrometry (LA‐ICP‐MS) to reveal elemental patterns in our closest living relatives, chimpanzees.
Tanya M. Smith   +5 more
wiley   +1 more source

Animal Production Performance and Herd Management in Suckling Farms on Réunion Island

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 2008
In Réunion, because of the insularity and the small size of farms, improving cattle farm productivity involves increas­ing technical management aspects. To analyze relationships between herd management practices and animal perform­ances, a survey was conducted in ten suckling farms, located in the Highlands, from 1999 to 2002.
J.P. Choisis   +3 more
openaire   +1 more source

Shaping Future Children, Sex Selection, and “Normal” Human Capacities

open access: yesBioethics, EarlyView.
ABSTRACT If we think that parents have an obligation to have a healthy child then we need to know what counts as healthy, when male and female children are born with very different capacities. If we give up on the idea that our obligations to use technologies of genetic selection are discharged once we try to secure the birth of a healthy child, as ...
Robert Sparrow
wiley   +1 more source

Relação do método de desmame e da disponibilidade de leite materno com o comportamento de bezerros de corte [PDF]

open access: yes, 2009
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-Graduação em Agroecossistemas.O desmame permite a recuperação da da condição corporal da vaca preparando-a para a nova gestação e assim a ...
Hidalgo, Daniel Enríquez
core  

Suckling and allosuckling behavior of dairy calves in indoor dam-rearing systems

open access: yesFrontiers in Veterinary Science
An important element in dairy cow-calf contact (CCC) systems is to ensure sufficient milk intake by calves. However, little is known about possible changes in suckling behavior during suckling periods for calves up to 15 weeks old, and the prevalence of ...
Claire S. Wegner   +6 more
doaj   +1 more source

Outbreak of poisoning by sodium hydrogen methylarsonate (MSMA)—an arsenic‐based herbicide—in horses in Brazil

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Arsenic poisoning in horses is rarely reported in the literature. However, arsenic compounds can be present in rodenticides, pesticides, and herbicides, representing a potential source of accidental exposure for horses. Objective To describe the epidemiological, clinical, and laboratory findings from a herd of 31 horses exposed to ...
Gabriella Faria Pereira   +7 more
wiley   +1 more source

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