Leonberger (English Wikipedia)

McMillan, Kirsten M.; Bielby, Jon; Williams, Carys L.; Upjohn, Melissa M.; Casey, Rachel A.; Christley, Robert M. (2024-02-01). "Longevity of companion dog breeds: those at risk from early death". Scientific Reports. 14 (1). Springer Science and Business Media LLC: 531. Bibcode:2024NatSR..14..531M. doi:10.1038/s41598-023-50458-w. ISSN 2045-2322. PMC 10834484. PMID 38302530.
Leroy, G. G.; Phocas, F.; Hedan, B.; Verrier, E.; Rognon, X. (2015). "Inbreeding impact on litter size and survival in selected canine breeds" (PDF). The Veterinary Journal. 203 (1): 74–8. doi:10.1016/j.tvjl.2014.11.008. PMID 25475165. S2CID 27631883. mean=8.18 ± 3.1 median=8.75
Egenvall, A; Bonnett, Bn; Hedhammar, å; Olson, P (2005-09-30). "Mortality in over 350,000 Insured Swedish Dogs from 1995–2000: II. Breed-Specific Age and Survival Patterns and Relative Risk for Causes of Death". Acta Veterinaria Scandinavica. 46 (3). doi:10.1186/1751-0147-46-121. ISSN 1751-0147. PMC 1624818. PMID 16261925.
Letko, Anna; Minor, Katie M.; Jagannathan, Vidhya; Seefried, Franz R.; Mickelson, James R.; Oliehoek, Pieter; Drögemüller, Cord (2020). "Genomic diversity and population structure of the Leonberger dog breed". Genetics Selection Evolution. 52 (1): 61. doi:10.1186/s12711-020-00581-3. ISSN 1297-9686. PMC 7557023. PMID 33054768.
Krontveit, Randi I.; Nødtvedt, Ane; Sævik, Bente K.; Ropstad, Erik; Trangerud, Cathrine (2012). "Housing- and exercise-related risk factors associated with the development of hip dysplasia as determined by radiographic evaluation in a prospective cohort of Newfoundlands, Labrador Retrievers, Leonbergers, and Irish Wolfhounds in Norway". American Journal of Veterinary Research. 73 (6): 838–846. doi:10.2460/ajvr.73.6.838. ISSN 0002-9645. PMID 22620698.
Barnett, Keith C.; Featherstone, Heidi J.; Heinrich, Christine L.; Lakhani, Ken H. (2006). "Cataract in the UK Leonberger population". Veterinary Ophthalmology. 9 (5): 350–356. doi:10.1111/j.1463-5224.2006.00460.x. PMID 16939464. Retrieved 13 March 2015.
Ekenstedt, Kari J.; Becker, Doreen; Minor, Katie M.; Shelton, G. Diane; Patterson, Edward E.; Bley, Tim; Oevermann, Anna; Bilzer, Thomas; Leeb, Tosso; Drögemüller, Cord; Mickelson, James R. (2014-10-02). "An ARHGEF10 Deletion Is Highly Associated with a Juvenile-Onset Inherited Polyneuropathy in Leonberger and Saint Bernard Dogs". PLOS Genetics. 10 (10): e1004635. doi:10.1371/journal.pgen.1004635. ISSN 1553-7404. PMC 4183422. PMID 25275565.
Becker, Doreen; Minor, Katie M.; Letko, Anna; Ekenstedt, Kari J.; Jagannathan, Vidhya; Leeb, Tosso; Shelton, G. Diane; Mickelson, James R.; Drögemüller, Cord (December 2017). "A GJA9 frameshift variant is associated with polyneuropathy in Leonberger dogs". BMC Genomics. 18 (1): 662. doi:10.1186/s12864-017-4081-z. PMC 5574090. PMID 28841859.
Letko, Anna; Minor, Katie M.; Friedenberg, Steven G.; Shelton, G. Diane; Salvador, Jill Pesayco; Mandigers, Paul J. J.; Leegwater, Peter A. J.; Winkler, Paige A.; Petersen-Jones, Simon M.; Stanley, Bryden J.; Ekenstedt, Kari J.; Johnson, Gary S.; Hansen, Liz; Jagannathan, Vidhya; Mickelson, James R.; Drögemüller, Cord (27 November 2020). "A CNTNAP1 Missense Variant Is Associated with Canine Laryngeal Paralysis and Polyneuropathy". Genes. 11 (12): 1426. doi:10.3390/genes11121426. PMID 33261176.
Minor, K. M.; Letko, A.; Becker, D.; Drögemüller, M.; Mandigers, P. J. J.; Bellekom, S. R.; Leegwater, P. A. J.; Stassen, Q. E. M.; Putschbach, K.; Fischer, A.; Flegel, T.; Matiasek, K.; Ekenstedt, K. J.; Furrow, E.; Patterson, E. E.; Platt, S. R.; Kelly, P. A.; Cassidy, J. P.; Shelton, G. D.; Lucot, K.; Bannasch, D. L.; Martineau, H.; Muir, C. F.; Priestnall, S. L.; Henke, D.; Oevermann, A.; Jagannathan, V.; Mickelson, J. R.; Drögemüller, C. (11 April 2018). "Canine NAPEPLD-associated models of human myelin disorders". Scientific Reports. 8 (1): 5818. Bibcode:2018NatSR...8.5818M. doi:10.1038/s41598-018-23938-7. PMC 5895582. PMID 29643404.
O’Neill, Dan G.; Edmunds, Grace L.; Urquhart-Gilmore, Jade; Church, David B.; Rutherford, Lynda; Smalley, Matthew J.; Brodbelt, Dave C. (2023-06-27). "Dog breeds and conformations predisposed to osteosarcoma in the UK: a VetCompass study". Canine Medicine and Genetics. 10 (1): 8. doi:10.1186/s40575-023-00131-2. ISSN 2662-9380. PMC 10294386. PMID 37365662.

drjwv.com

"AKC proposed group realignment" (PDF). American Kennel Club. December 2011. Retrieved May 15, 2014.

ghostarchive.org

"Leos to the Rescue!" (Video). National Purebred Dog Day. 25 February 2020. Retrieved September 10, 2021. "Leonberger Water Rescue training" (Video). YouTube. May 11, 2018. Archived from the original on 2021-12-21. Retrieved September 10, 2021. "Rescue Dogs Jump From Helicopter" (Video). 26 October 2012. Retrieved September 10, 2021. Some of the dogs are Newfoundland dogs and some are Leonbergers

harvard.edu

ui.adsabs.harvard.edu

McMillan, Kirsten M.; Bielby, Jon; Williams, Carys L.; Upjohn, Melissa M.; Casey, Rachel A.; Christley, Robert M. (2024-02-01). "Longevity of companion dog breeds: those at risk from early death". Scientific Reports. 14 (1). Springer Science and Business Media LLC: 531. Bibcode:2024NatSR..14..531M. doi:10.1038/s41598-023-50458-w. ISSN 2045-2322. PMC 10834484. PMID 38302530.
Minor, K. M.; Letko, A.; Becker, D.; Drögemüller, M.; Mandigers, P. J. J.; Bellekom, S. R.; Leegwater, P. A. J.; Stassen, Q. E. M.; Putschbach, K.; Fischer, A.; Flegel, T.; Matiasek, K.; Ekenstedt, K. J.; Furrow, E.; Patterson, E. E.; Platt, S. R.; Kelly, P. A.; Cassidy, J. P.; Shelton, G. D.; Lucot, K.; Bannasch, D. L.; Martineau, H.; Muir, C. F.; Priestnall, S. L.; Henke, D.; Oevermann, A.; Jagannathan, V.; Mickelson, J. R.; Drögemüller, C. (11 April 2018). "Canine NAPEPLD-associated models of human myelin disorders". Scientific Reports. 8 (1): 5818. Bibcode:2018NatSR...8.5818M. doi:10.1038/s41598-018-23938-7. PMC 5895582. PMID 29643404.

imdb.com

Call of the Wild - Dog of the Yukon at the Internet Movie Database

latimes.com

latimesblogs.latimes.com

Manetti, Francesco (August 23, 2010). "Italian school teaches dogs to become lifeguards". Los Angeles Times. Associated Press. Retrieved October 15, 2011.

leonberger-hunde.org

Isberg, Caroline Bliss. "Leonberger Breed". Leonberger-Hunde.org.

leonbergerclubofontario.com

"Leonbergers At Work – Herding Training". Leonberger Club of Ontario. Archived from the original on May 19, 2016. Retrieved May 17, 2014.

military.com

"Leos to the Rescue!" (Video). National Purebred Dog Day. 25 February 2020. Retrieved September 10, 2021. "Leonberger Water Rescue training" (Video). YouTube. May 11, 2018. Archived from the original on 2021-12-21. Retrieved September 10, 2021. "Rescue Dogs Jump From Helicopter" (Video). 26 October 2012. Retrieved September 10, 2021. Some of the dogs are Newfoundland dogs and some are Leonbergers

nationalpurebreddogday.com

"Leos to the Rescue!" (Video). National Purebred Dog Day. 25 February 2020. Retrieved September 10, 2021. "Leonberger Water Rescue training" (Video). YouTube. May 11, 2018. Archived from the original on 2021-12-21. Retrieved September 10, 2021. "Rescue Dogs Jump From Helicopter" (Video). 26 October 2012. Retrieved September 10, 2021. Some of the dogs are Newfoundland dogs and some are Leonbergers

newsadvance.com

Maurer, David (6 March 2011). "Best-of-breed winner represents lovable Leonbergers". The News & Advance. NewsAdvance.com. Retrieved 2019-03-01.

nih.gov

pubmed.ncbi.nlm.nih.gov

McMillan, Kirsten M.; Bielby, Jon; Williams, Carys L.; Upjohn, Melissa M.; Casey, Rachel A.; Christley, Robert M. (2024-02-01). "Longevity of companion dog breeds: those at risk from early death". Scientific Reports. 14 (1). Springer Science and Business Media LLC: 531. Bibcode:2024NatSR..14..531M. doi:10.1038/s41598-023-50458-w. ISSN 2045-2322. PMC 10834484. PMID 38302530.
Leroy, G. G.; Phocas, F.; Hedan, B.; Verrier, E.; Rognon, X. (2015). "Inbreeding impact on litter size and survival in selected canine breeds" (PDF). The Veterinary Journal. 203 (1): 74–8. doi:10.1016/j.tvjl.2014.11.008. PMID 25475165. S2CID 27631883. mean=8.18 ± 3.1 median=8.75
Egenvall, A; Bonnett, Bn; Hedhammar, å; Olson, P (2005-09-30). "Mortality in over 350,000 Insured Swedish Dogs from 1995–2000: II. Breed-Specific Age and Survival Patterns and Relative Risk for Causes of Death". Acta Veterinaria Scandinavica. 46 (3). doi:10.1186/1751-0147-46-121. ISSN 1751-0147. PMC 1624818. PMID 16261925.
Letko, Anna; Minor, Katie M.; Jagannathan, Vidhya; Seefried, Franz R.; Mickelson, James R.; Oliehoek, Pieter; Drögemüller, Cord (2020). "Genomic diversity and population structure of the Leonberger dog breed". Genetics Selection Evolution. 52 (1): 61. doi:10.1186/s12711-020-00581-3. ISSN 1297-9686. PMC 7557023. PMID 33054768.
Krontveit, Randi I.; Nødtvedt, Ane; Sævik, Bente K.; Ropstad, Erik; Trangerud, Cathrine (2012). "Housing- and exercise-related risk factors associated with the development of hip dysplasia as determined by radiographic evaluation in a prospective cohort of Newfoundlands, Labrador Retrievers, Leonbergers, and Irish Wolfhounds in Norway". American Journal of Veterinary Research. 73 (6): 838–846. doi:10.2460/ajvr.73.6.838. ISSN 0002-9645. PMID 22620698.
Barnett, Keith C.; Featherstone, Heidi J.; Heinrich, Christine L.; Lakhani, Ken H. (2006). "Cataract in the UK Leonberger population". Veterinary Ophthalmology. 9 (5): 350–356. doi:10.1111/j.1463-5224.2006.00460.x. PMID 16939464. Retrieved 13 March 2015.
Ekenstedt, Kari J.; Becker, Doreen; Minor, Katie M.; Shelton, G. Diane; Patterson, Edward E.; Bley, Tim; Oevermann, Anna; Bilzer, Thomas; Leeb, Tosso; Drögemüller, Cord; Mickelson, James R. (2014-10-02). "An ARHGEF10 Deletion Is Highly Associated with a Juvenile-Onset Inherited Polyneuropathy in Leonberger and Saint Bernard Dogs". PLOS Genetics. 10 (10): e1004635. doi:10.1371/journal.pgen.1004635. ISSN 1553-7404. PMC 4183422. PMID 25275565.
Becker, Doreen; Minor, Katie M.; Letko, Anna; Ekenstedt, Kari J.; Jagannathan, Vidhya; Leeb, Tosso; Shelton, G. Diane; Mickelson, James R.; Drögemüller, Cord (December 2017). "A GJA9 frameshift variant is associated with polyneuropathy in Leonberger dogs". BMC Genomics. 18 (1): 662. doi:10.1186/s12864-017-4081-z. PMC 5574090. PMID 28841859.
Letko, Anna; Minor, Katie M.; Friedenberg, Steven G.; Shelton, G. Diane; Salvador, Jill Pesayco; Mandigers, Paul J. J.; Leegwater, Peter A. J.; Winkler, Paige A.; Petersen-Jones, Simon M.; Stanley, Bryden J.; Ekenstedt, Kari J.; Johnson, Gary S.; Hansen, Liz; Jagannathan, Vidhya; Mickelson, James R.; Drögemüller, Cord (27 November 2020). "A CNTNAP1 Missense Variant Is Associated with Canine Laryngeal Paralysis and Polyneuropathy". Genes. 11 (12): 1426. doi:10.3390/genes11121426. PMID 33261176.
Minor, K. M.; Letko, A.; Becker, D.; Drögemüller, M.; Mandigers, P. J. J.; Bellekom, S. R.; Leegwater, P. A. J.; Stassen, Q. E. M.; Putschbach, K.; Fischer, A.; Flegel, T.; Matiasek, K.; Ekenstedt, K. J.; Furrow, E.; Patterson, E. E.; Platt, S. R.; Kelly, P. A.; Cassidy, J. P.; Shelton, G. D.; Lucot, K.; Bannasch, D. L.; Martineau, H.; Muir, C. F.; Priestnall, S. L.; Henke, D.; Oevermann, A.; Jagannathan, V.; Mickelson, J. R.; Drögemüller, C. (11 April 2018). "Canine NAPEPLD-associated models of human myelin disorders". Scientific Reports. 8 (1): 5818. Bibcode:2018NatSR...8.5818M. doi:10.1038/s41598-018-23938-7. PMC 5895582. PMID 29643404.
O’Neill, Dan G.; Edmunds, Grace L.; Urquhart-Gilmore, Jade; Church, David B.; Rutherford, Lynda; Smalley, Matthew J.; Brodbelt, Dave C. (2023-06-27). "Dog breeds and conformations predisposed to osteosarcoma in the UK: a VetCompass study". Canine Medicine and Genetics. 10 (1): 8. doi:10.1186/s40575-023-00131-2. ISSN 2662-9380. PMC 10294386. PMID 37365662.

ncbi.nlm.nih.gov

McMillan, Kirsten M.; Bielby, Jon; Williams, Carys L.; Upjohn, Melissa M.; Casey, Rachel A.; Christley, Robert M. (2024-02-01). "Longevity of companion dog breeds: those at risk from early death". Scientific Reports. 14 (1). Springer Science and Business Media LLC: 531. Bibcode:2024NatSR..14..531M. doi:10.1038/s41598-023-50458-w. ISSN 2045-2322. PMC 10834484. PMID 38302530.
Egenvall, A; Bonnett, Bn; Hedhammar, å; Olson, P (2005-09-30). "Mortality in over 350,000 Insured Swedish Dogs from 1995–2000: II. Breed-Specific Age and Survival Patterns and Relative Risk for Causes of Death". Acta Veterinaria Scandinavica. 46 (3). doi:10.1186/1751-0147-46-121. ISSN 1751-0147. PMC 1624818. PMID 16261925.
Letko, Anna; Minor, Katie M.; Jagannathan, Vidhya; Seefried, Franz R.; Mickelson, James R.; Oliehoek, Pieter; Drögemüller, Cord (2020). "Genomic diversity and population structure of the Leonberger dog breed". Genetics Selection Evolution. 52 (1): 61. doi:10.1186/s12711-020-00581-3. ISSN 1297-9686. PMC 7557023. PMID 33054768.
Ekenstedt, Kari J.; Becker, Doreen; Minor, Katie M.; Shelton, G. Diane; Patterson, Edward E.; Bley, Tim; Oevermann, Anna; Bilzer, Thomas; Leeb, Tosso; Drögemüller, Cord; Mickelson, James R. (2014-10-02). "An ARHGEF10 Deletion Is Highly Associated with a Juvenile-Onset Inherited Polyneuropathy in Leonberger and Saint Bernard Dogs". PLOS Genetics. 10 (10): e1004635. doi:10.1371/journal.pgen.1004635. ISSN 1553-7404. PMC 4183422. PMID 25275565.
Becker, Doreen; Minor, Katie M.; Letko, Anna; Ekenstedt, Kari J.; Jagannathan, Vidhya; Leeb, Tosso; Shelton, G. Diane; Mickelson, James R.; Drögemüller, Cord (December 2017). "A GJA9 frameshift variant is associated with polyneuropathy in Leonberger dogs". BMC Genomics. 18 (1): 662. doi:10.1186/s12864-017-4081-z. PMC 5574090. PMID 28841859.
Minor, K. M.; Letko, A.; Becker, D.; Drögemüller, M.; Mandigers, P. J. J.; Bellekom, S. R.; Leegwater, P. A. J.; Stassen, Q. E. M.; Putschbach, K.; Fischer, A.; Flegel, T.; Matiasek, K.; Ekenstedt, K. J.; Furrow, E.; Patterson, E. E.; Platt, S. R.; Kelly, P. A.; Cassidy, J. P.; Shelton, G. D.; Lucot, K.; Bannasch, D. L.; Martineau, H.; Muir, C. F.; Priestnall, S. L.; Henke, D.; Oevermann, A.; Jagannathan, V.; Mickelson, J. R.; Drögemüller, C. (11 April 2018). "Canine NAPEPLD-associated models of human myelin disorders". Scientific Reports. 8 (1): 5818. Bibcode:2018NatSR...8.5818M. doi:10.1038/s41598-018-23938-7. PMC 5895582. PMID 29643404.
O’Neill, Dan G.; Edmunds, Grace L.; Urquhart-Gilmore, Jade; Church, David B.; Rutherford, Lynda; Smalley, Matthew J.; Brodbelt, Dave C. (2023-06-27). "Dog breeds and conformations predisposed to osteosarcoma in the UK: a VetCompass study". Canine Medicine and Genetics. 10 (1): 8. doi:10.1186/s40575-023-00131-2. ISSN 2662-9380. PMC 10294386. PMID 37365662.

nina.no

www1.nina.no

Landry, Jean-Marc (August 1999). "The use of guard dogs in the Swiss Alps: A first analysis" (PDF). KORA Bericht (2): 19. ISSN 1422-5123. Retrieved May 15, 2014.

nordicnoirblog.wordpress.com

"Don't Look Back by Karin Fossum #bookreview #Norway". 21 April 2018.

nsdl.org

Barnett, Keith C.; Featherstone, Heidi J.; Heinrich, Christine L.; Lakhani, Ken H. (2006). "Cataract in the UK Leonberger population". Veterinary Ophthalmology. 9 (5): 350–356. doi:10.1111/j.1463-5224.2006.00460.x. PMID 16939464. Retrieved 13 March 2015.

oup.com

global.oup.com

Lewis, Gill; Horne, Sarah (July 7, 2016). Puppy Academy: Murphy and the Great Surf Rescue (Paperback). Puppy Academy: Puppies to the rescue!. Oxford: Oxford University Press. ISBN 978-0-19-273926-1. Suitable for: 5-7 boys and girls. Fans of Holly Webb and Andrew Cope's Spy Pups series

petinsurance.com

"Leonberger Dogs". PetInsurance.com. Veterinary Pet Insurance Company. Retrieved 13 April 2015.
"Leonberger Dogs". PetInsurance.com. Veterinary Pet Insurance Company. Retrieved 13 April 2015.

semanticscholar.org

api.semanticscholar.org

Leroy, G. G.; Phocas, F.; Hedan, B.; Verrier, E.; Rognon, X. (2015). "Inbreeding impact on litter size and survival in selected canine breeds" (PDF). The Veterinary Journal. 203 (1): 74–8. doi:10.1016/j.tvjl.2014.11.008. PMID 25475165. S2CID 27631883. mean=8.18 ± 3.1 median=8.75

the-kennel-club.org.uk

UK Kennel Club. "Leonberger Breed Standard".

web.archive.org

"Leonbergers At Work – Herding Training". Leonberger Club of Ontario. Archived from the original on May 19, 2016. Retrieved May 17, 2014.
Leonberger Animal stamps
"Leonberger Facts". AKC.org. American Kennel Club. Archived from the original on 23 January 2009.

worldcat.org

search.worldcat.org

Gagne, Tammy (25 January 2018). Huskies, mastiffs and other working dogs. Oxford: Raintree. p. 19. ISBN 978-1-4747-2100-4. OCLC 1063636111.
McMillan, Kirsten M.; Bielby, Jon; Williams, Carys L.; Upjohn, Melissa M.; Casey, Rachel A.; Christley, Robert M. (2024-02-01). "Longevity of companion dog breeds: those at risk from early death". Scientific Reports. 14 (1). Springer Science and Business Media LLC: 531. Bibcode:2024NatSR..14..531M. doi:10.1038/s41598-023-50458-w. ISSN 2045-2322. PMC 10834484. PMID 38302530.
Egenvall, A; Bonnett, Bn; Hedhammar, å; Olson, P (2005-09-30). "Mortality in over 350,000 Insured Swedish Dogs from 1995–2000: II. Breed-Specific Age and Survival Patterns and Relative Risk for Causes of Death". Acta Veterinaria Scandinavica. 46 (3). doi:10.1186/1751-0147-46-121. ISSN 1751-0147. PMC 1624818. PMID 16261925.
Letko, Anna; Minor, Katie M.; Jagannathan, Vidhya; Seefried, Franz R.; Mickelson, James R.; Oliehoek, Pieter; Drögemüller, Cord (2020). "Genomic diversity and population structure of the Leonberger dog breed". Genetics Selection Evolution. 52 (1): 61. doi:10.1186/s12711-020-00581-3. ISSN 1297-9686. PMC 7557023. PMID 33054768.
Krontveit, Randi I.; Nødtvedt, Ane; Sævik, Bente K.; Ropstad, Erik; Trangerud, Cathrine (2012). "Housing- and exercise-related risk factors associated with the development of hip dysplasia as determined by radiographic evaluation in a prospective cohort of Newfoundlands, Labrador Retrievers, Leonbergers, and Irish Wolfhounds in Norway". American Journal of Veterinary Research. 73 (6): 838–846. doi:10.2460/ajvr.73.6.838. ISSN 0002-9645. PMID 22620698.
Ekenstedt, Kari J.; Becker, Doreen; Minor, Katie M.; Shelton, G. Diane; Patterson, Edward E.; Bley, Tim; Oevermann, Anna; Bilzer, Thomas; Leeb, Tosso; Drögemüller, Cord; Mickelson, James R. (2014-10-02). "An ARHGEF10 Deletion Is Highly Associated with a Juvenile-Onset Inherited Polyneuropathy in Leonberger and Saint Bernard Dogs". PLOS Genetics. 10 (10): e1004635. doi:10.1371/journal.pgen.1004635. ISSN 1553-7404. PMC 4183422. PMID 25275565.
O’Neill, Dan G.; Edmunds, Grace L.; Urquhart-Gilmore, Jade; Church, David B.; Rutherford, Lynda; Smalley, Matthew J.; Brodbelt, Dave C. (2023-06-27). "Dog breeds and conformations predisposed to osteosarcoma in the UK: a VetCompass study". Canine Medicine and Genetics. 10 (1): 8. doi:10.1186/s40575-023-00131-2. ISSN 2662-9380. PMC 10294386. PMID 37365662.
Landry, Jean-Marc (August 1999). "The use of guard dogs in the Swiss Alps: A first analysis" (PDF). KORA Bericht (2): 19. ISSN 1422-5123. Retrieved May 15, 2014.

youtube.com

"Leos to the Rescue!" (Video). National Purebred Dog Day. 25 February 2020. Retrieved September 10, 2021. "Leonberger Water Rescue training" (Video). YouTube. May 11, 2018. Archived from the original on 2021-12-21. Retrieved September 10, 2021. "Rescue Dogs Jump From Helicopter" (Video). 26 October 2012. Retrieved September 10, 2021. Some of the dogs are Newfoundland dogs and some are Leonbergers