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Linear Conformation Traits in Latvian Blue Cows in Relation to Possession to Gene Pool and Discarding

Depending on Cow Age), Proceedings of Ražas svētki „Vecauce – 2016”: Lauksaimniecības zinātne nozares attīstībai, pp. 12-15., ISBN 978-9984-48-240-8. 4. Damiran, D., Larson, K., Pearce, L., Erickson, N., & Lardner, H. A. (2018). Effects of Heifer Calving Date on Longevity and Lifetime Productivity in Western Canada. Sustainable Agriculture Research ; 7(4); 11-17. DOI: 10.5539/sar.v7n4p11. 5. Griņevičs, I. & Grosvalds, I. (2006). Latvijas govju šķirņu izveidošana un Latvijas Zilās govs izzušana (Creation of Latvian Cow Breeds and Disappearance of the Latvian

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Role of mast cells in cow metritis

placental chorionic veins: interaction with serotonin. Pharmacology 1991, 42, 86–90. 7. Deng Z.P., Liu Y.W., Zhou Z.X.: Quantitative studies of mast cells and histamine in the endometrium of cow and sheep. China Vet Sci 1994, 1, 50–55. 8. De Backer M.D., Loonen I., Verhasselt P., Neefs J.M., Luyten W.H.: Structure of the human H1 receptor gene. Biochem J 1998, 335, 663–670. 9. Dy M., Arnould A., Lemoine F.M., Machavoine F., Ziltener H., Schneider E.: Hematopoietic progenitors and interleukin-3-dependent cell lines synthesize histamine in response to

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Effectiveness of Dry Cow Therapy Comprising Antibiotic Treatment, Internal Teat Sealant, and α-Tocopherol Against New Intramammary Infections in Cows

References 1. Atroshi F, Tyopponen J, Sankari S, Kangasniemi R, Parantainen J.: Possible roles of vitamin E and glutathione metabolism in bovine mastitis. Int J Vitam Nutr Res 1987, 57, 37–43. 2. Barrett J.J, Hogan J.S., Weiss W.P., Smith K.L., Sordillo L.M.: Concentrations of a-tocopherol after intramammary infusion of Escherichia coli or lipopolysaccharide. J Dairy Sci 1997, 80, 2826-2832. 3. Berry E, Hillerton J.: Effect of an intramammary teat seal and dry cow antibiotic in relation to dry period length on postpartum mastitis. J Dairy Sci 2007, 90

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Comparison of Two Methods of Housing Primiparous Cows

References Beerda B., Ouweltjes W., Šebek L.B.J., Windig J.J., Veerkamp R.F. (2007). Effects of genotype by environment interactions on milk yield, energy balance, and protein balance. J. Dairy Sci., 90: 219-228. Bilik K., Łopuszańska- Rusek M. (2009). Effect of adding fibrolytic enzymes to periparturient and early lactation dairy cow diets on production parameters. Ann. Anim. Sci., 9: 401-413.Bilik K., Łopuszańska- Rusek M. (2010). Effect of adding fibrolytic enzymes to dairy cow rations on digestive activity in the rumen. Ann

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Locomotor activity and daily milk yield of dairy cows during the perioestrous period in successive lactations

References Bogucki M, Sawa A, Neja W (2007): Differentiation in fertility rates due to increasing productivity of dairy cows. Acta Scientiarum Polonorum. Zootechnika 6: 3-10 (in Polish). Butler WP (2000): Nutritional interactions with reproductive performance in dairy cattle. Anim Reprod Sci 60-61: 449-457. Galligan D (2005): Economics into practice - using economics on the dairy farm. Cattle Practice 13: 211-217. Gil Z, Feleńczak A, żychlińska-Buczek J

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The Effect of Thermal Environment on Daily Milk Yield of Dairy Cows

REFERENCES 1. Renaudeau, D., Collin, A., Yahav, S., de Basilio, V., Gourdine, J. L., Collier, R. J. (2012). Adaptation to hot climate and strategies to alleviate heat stress in livestock production. Animal 6, 707-728. http://dx.doi.org/10.1017/S1751731111002448 PMid:22558920 2. Kadzere, C.T., Murphy, M.R., Silanikove, N., Maltz, E. (2002). Heat stress in lactating dairy cows: a review. Livest Prod Sci. 77, 59-91. http://dx.doi.org/10.1016/S0301-6226(01)00330-X 3. Wheelock, J.B., Rhoads, R.P., Van Baale, M.J., Sanders, S.R., Baumgard, L

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Influence of Barn Climate, Body Postures and Milk Yield on the Respiration Rate of Dairy Cows

References Acatincăi S., Gavojdian D., Stanciu G., Cziszter L.T., Tripon I., Baul S. (2010). Study regarding rumination behavior in cattle – position adopted by cows during rumination process. Sci. Pap. Anim. Sci. Biotechnol., 43: 199–202. Aharoni Y., Brosh A., Harari Y. (2005). Night feeding for high-yielding dairy cows in hot weather: effects on intake, milk yield and energy expenditure. Livest. Prod. Sci., 92: 207–219. Angrecka S., Herbut P. (2017). Eligibility of lying boxes at different THI levels in a freestall barn. Ann. Anim. Sci., 17

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Longevity of Cows Depending on their First Lactation Yield and Herd Production Level

References Bell M.J., Wall E., Russell G., Roberts D.J., Simm G. (2010). Risk factors for culling in Holstein-Friesian dairy cows. Vet. Rec., 167: 238–240. Bisinotto R.S., Greco L.F., Ribeiro E.S., Martinez N., Lima F.S., Staples C.R., Thatcher W.W., Santos J.E.P. (2012). Influences of nutrition and metabolism on fertility of dairy cows. Anim. Reprod., 9: 260–272. Borkowska D., Januś E. (2009). Milk yield of primiparas and their lifetime performance. Rocz. Nauk. PTZ. 5: 87–93. Brickell J.S., Wathes D.C. (2011) A descriptive of the survival

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Behavioural Responses of Primiparous and Multiparous Dairy Cows to The Milking Process over an Entire Lactation

References Breuer K., Hems worth PH., Barnett J.L., Matthews L.R., Coleman G.J. (2000). Behavioural response to humans and the productivity of commercial dairy cows. Appl. Anim. Behav. Sci., 66: 273-288. Bruckmaier R.M. (2005). Normal and disturbed milk ejection m dairy’ cows. Domest. Anim. Endocrinol., 29: 268-273. Buchenauer D. (1999). Genetics of Behaviour in Cattle. In: The Genetics of Cattle, Fries R. Ruvinsky A. (eds). CAB International. Wallingford. United Kingdom, pp. 365-390. Budzyńska B

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Predictive value of plasma parameters in the risk of postpartum ketosis in dairy cows

References 1. Adams L.A., Lindor K.D.: Nonalcoholic fatty liver disease. Ann Epidemiol 2007, 17, 863–869. 2. Aviram M., Rosenblat M.: Paraoxonases 1, 2, and 3, oxidative stress, and macrophage foam cell formation during atherosclerosis development. Free Radic Biol Med 2004, 37, 1304–1316. 3. Baird G.D.: Primary ketosis in the high-producing dairy cow: clinical and subclinical disorders, treatment, prevention, and outlook. J Dairy Sci 1982, 65, 1–10. 4. Bouwstra R.J., Goselink R.M.A., Dobbelaar P., Nielen M., Newbold J.R., Werven V.T.: The

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