Results 21 to 30 of about 1,468,747 (408)

Towards a novel method for detecting atypical lying down and standing up behaviors in dairy cows using accelerometers and machine learning

open access: yesSmart Agricultural Technology, 2023
Free-stall cubicles are designed so that cows do not defecate in the bedding material, while still providing comfortable lying places. However, fixed cubicle elements, such as the partition and neck rail, restrict available movement space and may hinder ...
Stijn P. Brouwers   +3 more
doaj   +1 more source

Tissue-specific Salmonella Typhimurium gene expression during persistence in pigs [PDF]

open access: yes, 2011
Salmonellosis caused by Salmonella Typhimurium is one of the most important bacterial zoonotic diseases. The bacterium persists in pigs resulting in asymptomatic 'carrier pigs', generating a major source for Salmonella contamination of pork.
Boyen, Filip   +5 more
core   +2 more sources

Replication and virulence in pigs of the first African swine fever virus isolated in China

open access: yesEmerging Microbes and Infections, 2019
African swine fever (ASF) entered China in August 2018 and rapidly spread across the entire country, severely threatening the Chinese domestic pig population, which accounts for more than 50% of the pig population worldwide.
Dong-Ming Zhao   +14 more
semanticscholar   +1 more source

Ovarian Activity and the Size of Oocytes in Ovarian Follicles in Sexually Mature Gilts in Individual Seasons

open access: yesFolia Veterinaria, 2019
The aim of this study was to evaluate ovarian activity and the size of oocytes in ovarian follicles in sexually mature Landrace-Yorkshire gilts in relation to the individual seasons of the year.
Kyzeková P.   +6 more
doaj   +1 more source

Growth Dynamic and Threshold Values for Spermicidal Effects of Multidrug-Resistant Bacteria in Extended Boar Semen

open access: yesMicroorganisms, 2023
The aim of this study was first to examine the prevalence of bacteria-associated loss of sperm quality in samples from insemination centers during a seven-year semen monitoring program and, second, to investigate the growth dynamic of four different ...
Anne-Marie Luther   +4 more
doaj   +1 more source

The spatial ecology of free-ranging domestic pigs (Sus scrofa) in western Kenya [PDF]

open access: yes, 2013
Background In many parts of the developing world, pigs are kept under low-input systems where they roam freely to scavenge food. These systems allow poor farmers the opportunity to enter into livestock keeping without large capital investments.
Cook, Elizabeth A.   +3 more
core   +4 more sources

Antimicrobially Active Semen Extenders Allow the Reduction of Antibiotic Use in Pig Insemination

open access: yesAntibiotics, 2021
Antibiotic use in semen extenders for livestock may contribute to the development and spreading of multi-drug resistance. Antimicrobial control in semen doses for artificial insemination of pigs is indispensable due to the relatively high storage ...
Anne-Marie Luther   +3 more
doaj   +1 more source

Pigs vs people: the use of pigs as analogues for humans in forensic entomology and taphonomy research

open access: yesZeitschrift für Rechtsmedizin, 2019
Most studies of decomposition in forensic entomology and taphonomy have used non-human cadavers. Following the recommendation of using domestic pig cadavers as analogues for humans in forensic entomology in the 1980s, pigs became the most frequently used
S. Matuszewski   +5 more
semanticscholar   +1 more source

A molecular survey and phylogenetic analysis of porcine circovirus type 3 using oral fluid, faeces and serum

open access: yesBMC Veterinary Research, 2020
Background Porcine circovirus type 3 is the most recently discovered porcine circovirus, and an emerging pathogen. In this study the status of its presence on some Slovenian farms is reported.
Jan Plut   +4 more
doaj   +1 more source

Identification of crucial modules and genes associated with backfat tissue development by WGCNA in Ningxiang pigs

open access: yesFrontiers in Genetics, 2023
Fat deposition is an economically important trait in pigs. Ningxiang pig, one of the four famous indigenous breeds in China, is characterized by high fat content. The underlying gene expression pattern in different developmental periods of backfat tissue
Chen Chen   +13 more
doaj   +1 more source

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