E. Ptak - Concepedia

Author

E. Ptak

University of Agriculture in Krakow ORCID

Also Known As

E. Ptak, Ewa PTAK, Ewa Ptak

Publications

670

Citations

H-Index

Concepts

All Affiliations

University of Agriculture in Krakow University of Guelph National Research Institute of Animal Production

About

E. Ptak is an author at University of Agriculture in Krakow specializing in animal science, public health, and fertility.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Public Health	7	7	395
2	Medicine	6	6	383
3	Biostatistics	5	5	104
4	Biology	3	3	71
5	Nutrition	2	2	42

E. Ptak

Publications

558

Citations

H-Index

Page 1

	Year	Citations
Use of test day yields for genetic evaluation of dairy sires and cows E. Ptak, L.R. Schaeffer Livestock Production Science Quantitative GeneticsFertilityAnimal ScienceGeneticsTest Day Yields	1993	279
Comparison of Random Regression Test-Day Models for Polish Black and White Cattle T. Strabel, Joanna Szyda, E. Ptak, Journal of Dairy Science	2005	78
Heritabilities and genetic correlations of lactational and daily somatic cell score with conformation traits in Polish Holstein cattle E. Ptak, W. Jagusiak, A. Żarnecki, Czech Journal of Animal Science FertilityGeneticsGenetic CorrelationsLivestock HealthPrecision Dairy	2011	31
Genetic relationship between milk dry matter and other milk traits in extended lactations of Polish Holstein cows Kemal Yazgan, J. Makulska, A. Węglarz, Czech Journal of Animal Science NutritionFertilityFitnessGeneticsGenetic Correlations	2010	26
Genetic parameters for lactose percentage in the milkof Polish Holstein-Friesians E. Ptak, P. Brzozowski, Józef Bieniek Journal of Animal and Feed Sciences	2012	20
Effect of Calving Difficulties and Calf Mortality on Functional Longevity in Polish Holstein-Friesian Cows Małgorzata Morek-Kopeć, A. Żarnecki, E. Ptak, Animals Functional LongevityAgingFertilityCalf Mortality ScoresDifficult Calvings	2021	17
Genetic parameters of milk fat-to-protein ratio in first three lactations of Polish Holstein-Friesian cows Alicja Satoła, E. Ptak Journal of Animal and Feed Sciences NutritionGenetic ParametersItalian Holstein CattleGeneticsLivestock Health	2019	16
Genetic parameters for somatic cell score for PolishBlack-and-White cattle estimated with a randomregression model E. Ptak, P. Brzozowski, W. Jagusiak, Journal of Animal and Feed Sciences	2007	15
Genetic relationship among somatic cell score and some milking traits in Holstein-Friesian primiparous cows milked by an automated milking system Dariusz Piwczyński, Beata Sitkowska, E. Ptak animal	2020	15
Multiple-lactation random regression test-day model for Polish Black and White cattle T. Strabel, E. Ptak, Joanna Szyda, Bulletin - International Bull Evaluation Service/Interbull bulletin FertilityGeneticsLivestock ProductionLivestock HealthPrecision Dairy	2004	14

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