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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1945 67
1946 304
1947 436
1948 401
1949 306
1950 472
1951 594
1952 568
1953 670
1954 686
1955 749
1956 809
1957 883
1958 840
1959 906
1960 1009
1961 1035
1962 1122
1963 2944
1964 4829
1965 4977
1966 5645
1967 5833
1968 6396
1969 6822
1970 6363
1971 6560
1972 6549
1973 6679
1974 6483
1975 6796
1976 6522
1977 6373
1978 6609
1979 6432
1980 6477
1981 6440
1982 6392
1983 6494
1984 6649
1985 6592
1986 6346
1987 6033
1988 6038
1989 6262
1990 5792
1991 5695
1992 5413
1993 5272
1994 5323
1995 4996
1996 4840
1997 4832
1998 4840
1999 4523
2000 4476
2001 4307
2002 4192
2003 4315
2004 4411
2005 4834
2006 5077
2007 5237
2008 5233
2009 5572
2010 5858
2011 6336
2012 6474
2013 6242
2014 6277
2015 6101
2016 5886
2017 5867
2018 5518
2019 3111
2020 41
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324,196 results
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Dogs accompanied humans during the Neolithic expansion into Europe.
Ollivier M, et al. Biol Lett 2018. PMID 30333260 Free PMC article.
We then analysed mitochondrial DNA sequences from 99 ancient European and Near Eastern dogs spanning the Upper Palaeolithic to the Bronze Age to assess if incoming farmers brought Near Eastern dogs with them, or instead primarily adopted indigenous European dogs after they arrived. Our results show that European pre-Neolithic dogs all possessed the mitochondrial haplogroup C, and that the Neolithic and Post-Neolithic dogs associated with farmers from Southeastern Europe mainly possessed haplogroup D. ...
We then analysed mitochondrial DNA sequences from 99 ancient European and Near Eastern dogs spanning the Upper Palaeolithic to the Br …
Are dogs just like us?
Gross M. Curr Biol 2015. PMID 26561653 Free article.
Dogs have evolved to become the animal species most integrated with human society. Surprisingly, the origins and mechanisms of the remarkable co-evolution are still obscure and provide fuel for debates. Brain imaging studies showing up similarities and recent results implicating the hormone oxytocin also suggest that it makes sense to compare the social mind of dogs to our own. ...
Dogs have evolved to become the animal species most integrated with human society. Surprisingly, the origins and mechanisms of the re
Directional preference in dogs: Laterality and "pull of the north".
Adámková J, et al. PLoS One 2017. PMID 28945773 Free PMC article.
Laterality is a well described phenomenon in domestic dogs. It was shown that dogs, under calm Earth's magnetic field conditions, when marking their home ranges, tend to head about north- or southwards and display thus magnetic alignment. ...This effect was highly significant in small and medium-sized breeds but not in larger breeds, highly significant in females, in older dogs, in lateralized dogs but less significant or not significant in males, younger dogs, or ambilateral dogs. ...
Laterality is a well described phenomenon in domestic dogs. It was shown that dogs, under calm Earth's magnetic field conditio …
Demographic history, selection and functional diversity of the canine genome
Ostrander EA, et al. Nat Rev Genet 2017 - Review. PMID 28944780
From a large wolf-like progenitor, unparalleled diversity in phenotype and behaviour has developed in dogs, providing a model for understanding the developmental and genomic mechanisms of diversification. ...
From a large wolf-like progenitor, unparalleled diversity in phenotype and behaviour has developed in dogs, providing a model for und …
The Saliva Proteome of Dogs: Variations Within and Between Breeds and Between Species.
Pasha S, et al. Proteomics 2018. PMID 29327448 Free PMC article.
It has been extensively characterized in humans but its protein composition in dogs remains poorly characterized, yet saliva composition could explain (patho) physiological differences between individuals, breeds and with humans. ...
It has been extensively characterized in humans but its protein composition in dogs remains poorly characterized, yet saliva composit …
Working dogs transfer different tasks in reciprocal cooperation.
Gfrerer N and Taborsky M. Biol Lett 2018. PMID 29445042 Free PMC article.
Here, we tested whether working dogs transfer help from one to another cooperative task in an iterated prisoner's dilemma paradigm. ...This suggests that dogs realize the cooperative act of a conspecific, which changes their propensity to provide help to that partner by different means. ...
Here, we tested whether working dogs transfer help from one to another cooperative task in an iterated prisoner's dilemma paradigm. . …
Health benefits observed after probiotic Lactobacillus fermentum CCM 7421 application in dogs.
Strompfová V, et al. Appl Microbiol Biotechnol 2017 - Review. PMID 28721546
The present review evaluates and compares the effects achieved after application of canine-derived probiotic strain Lactobacillus fermentum CCM 7421 to healthy dogs as well as to dogs suffering from gastrointestinal disorders. ...Results from nine independent studies show the ability of probiotic strains to establish themselves in the canine gastrointestinal tract, alter the composition of intestinal microbiota and metabolites (organic acids), and modulate the physiology (serum biochemical parameters) and immunity parameters in dogs. ...
The present review evaluates and compares the effects achieved after application of canine-derived probiotic strain Lactobacillus fermentum …
Effects of sheltering on physiology, immune function, behavior, and the welfare of dogs.
Protopopova A. Physiol Behav 2016 - Review. PMID 26996275
Approximately 4 million dogs live in animal shelters each year. However, understanding and measuring the welfare of these kenneled dogs presents a challenge. ...Research on the well-being of individual dogs, rather than on group averages, may be a fruitful next step in determining and improving the welfare of dogs housed in shelters....
Approximately 4 million dogs live in animal shelters each year. However, understanding and measuring the welfare of these kenneled …
Relationship between sociability toward humans and physiological stress in dogs.
Shin YJ and Shin NS. J Vet Med Sci 2017. PMID 28539532 Free PMC article.
Additionally, whether differences exist between companion dogs (C group) and shelter dogs (S group) was examined. Overall, healthy 37 dogs (C group=21 and S group=16) were examined. ...The establishment of two groups (H group=dogs with high sociability; L group=dogs with low sociability) was supported by the statistical results of the behavioral tests. ...
Additionally, whether differences exist between companion dogs (C group) and shelter dogs (S group) was examined. Overall, hea …
Working dogs cooperate among one another by generalised reciprocity.
Gfrerer N and Taborsky M. Sci Rep 2017. PMID 28262722 Free PMC article.
Dogs (Canis familiaris) are highly social animals with considerable cognitive potential and the ability to differentiate between individual social partners. But although dogs can solve complex problems, they may use simple rules for behavioural decisions. Here we show that dogs trained in an instrumental cooperative task to provide food to a social partner help conspecifics more often after receiving help from a dog before. ...
Dogs (Canis familiaris) are highly social animals with considerable cognitive potential and the ability to differentiate between indi
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