Wyniki wyszukiwania

1

Performance testing of young Red-and-White bulls as based on different criteria

100%

Kwasnicki R.

Animal Science Papers and Reports. Supplement

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2002

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tom 20

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nr 1

2

Characteristics of the genetic structure of Red-and-White cattle based on blood group tests

100%

Rychlik T., Radko A., Koscielny M.

Annals of Animal Science

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2008

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tom 08

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nr 3

3

Polymorphism A/C in exon 7 of the bovine estrogen receptor alpha (ERalpha) gene and its association with functional and milk production traits in Red-and-White cattle

84%

Szreder T., Oprzadek J., Zelazowska B., Dymnicki E., Zwierzchowski L.

Animal Science Papers and Reports

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2011

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tom 29

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nr 4

Due to the functions that estrogens play in the regulation of reproduction, development of mammary gland, growth and differentiation of cells, estrogen receptors and their genes are considered candidates for molecular markers of production and functional traits in farm animals. In this study,using the SSCP and DNA sequencing, we found a novel single nucleotide polymorphism (SNP) in the coding region of the estrogen receptor α (ERα) gene – the A/C transversion at position 323,396 (relative to the start of transcription site), in exon 7, that could be also detected with RFLP-CfrI.This mutation causes the amino acid replacement – Asparatic acid/Alanine in the ligand-binding domain (LBD) of the receptor.The ERα A/C (RFLP-CfrI) genotypes were estimated in a cohort of 489 cattle of different breeds,including 355 Red-and-White cows. Association was studied between ERα genotype and dairy production traits (milk yield and composition) and functional traits (reproduction, length of productive life). The results showed that ERα A/C genotype affected significantly only a few traits of interest: protein and fat content in milk, sex of calves born. No associations were detected between ERα genotype and milk yield and reproduction traits of Red-and-White cows.

4

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The effects of genotype and selected environmental factors on colostrum production and intake in cattle

84%

Antkowiak I., Pytlewski J., Jakubowski M., Skrzypek R.

Polish Journal of Veterinary Sciences

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2010

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tom 13

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nr 1

137-141

The aim of this study was to determine effects of genotype and selected environmental factors on colostrum production, intake, and efficiency in the cattle. The investigations were conducted on 67 dam-calf pairs. All cows were of Polish Holstein-Friesian breed, the Black-and-White variety (PHF-HO), whereas calves were sired by bulls of the following breeds: PHF-HO, Polish Holstein-Friesian of the Red-and-White variety (PHF-RW), Jersey (JE), Montbéliarde (MB) and Limousine (LI). The colostrum was collected from cows and offered to calves "from bucket" thrice a day. The amount of produced colostrum considerably exceeded the ability of its consumption by calves. Low share of HF genes in the cow, older cow's age and calving in the period from January to April appeared to be favorable factors for colostrum production. Calves born to cows with low HF gene share drank more colostrum than calves originating from cows with higher gene share of this breed. Crosses with JE drank the highest amount of the colostrum in relation to body weight, while MB-sired calves drank the highest amount in absolute terms. Colostrum intake was positively correlated with the dam's age. Furthermore, it was shown that in case of the first colostrum intake the most favorable period was from May to September, while in cases of total intake in the first day of life and mean intake in the first 5 days of life it was the period from January to April. Crosses with JE were characterized by extremely high use of colostrum per unit of body weight gain.

5

Rasa czerwono-biala

84%

Smela D.

Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała

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2004

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nr 07-08

20

6

Dairy traits of the progeny of Red-and-White bulls described through the genetic polymorphism of milk proteins and principally of fraction alphaS1-CN

84%

Dobicki A., Walawski K., Chladek G., Nowopolska A., Koliski W., Zachwieja A.

Annals of Animal Science

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2002

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tom 02

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nr 1

7

Growth rate of calves and condition of their Red-and-White, Charolais, F1 or R1 dams in relation to the genetic polymorphism of milk proteins

84%

Dobicki A., Chladek G., Zachwieja A.

Animal Science Papers and Reports. Supplement

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2002

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tom 20

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nr 1

8

Heterosis resulting from reciprocal crossing to the paternal component [Red Angus] observed in generation R1 obtained as result of inbreeding

84%

Dobicki A., Filistowicz A., Szulc T.

Animal Science Papers and Reports. Supplement

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2002

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tom 20

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nr 1

9

Budowa histologiczna i zawartosc kolagenu w tkance skornej buhajkow cb, czb i simental

67%

Zapletal P.

Acta Agraria et Silvestria. Series Zootechnica

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1997

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tom 35

3-9

10

Wstepne wyniki krzyzowania miejscowego bydla nizinnego czerwono-bialego z bydlem czerwono-bialym szwedzkim [srb] i ayrshire'em finskim [af]. Cz. III. Uzytkowosc mleczna

67%

Czaja H., Szarek J., Strzadala B., Weglarz A., Rymorz R.

Acta Agraria et Silvestria. Series Zootechnica

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1994

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tom 32

25-36

11

Effect of copper inhibitors in diet on cows' yield, milk composition and cholesterol level in milk and blood plasma

67%

Brzoska F.

Annals of Animal Science

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2004

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tom 04

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nr 1

12

Wstepne wyniki krzyzowania miejscowego bydla nizinnego czerwono-bialego z bydlem czerwono-bialym szwedzkim [srb] i ayrshire'em finskim [af]. Cz. I. Wzrost i eksterior

59%

Czaja H., Szarek J., Strzadala B., Weglarz A., Rymorz R.

Acta Agraria et Silvestria. Series Zootechnica

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1994

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tom 32

3-13

13

Wstepne wyniki krzyzowania miejscowego bydla nizinnego czerwono-bialego z bydlem czerwono-bialym szwedzkim [srb] i ayrshire'em finskim [af]. Cz. II. Budowa wymion

59%

Czaja H., Szarek J., Strzadala B., Weglarz A., Macura J.

Acta Agraria et Silvestria. Series Zootechnica

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1994

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tom 32

15-23

14

Wplyw czynnikow srodowiskowych i genetycznych na stan zarazenia bydla nicieniami zoladkowo-jelitowymi

43%

Nowosad B., Fudalewicz-Niemczyk W., Skalska M.

Acta Agraria et Silvestria. Series Zootechnica

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1995

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tom 33

81-95

15

Uwarunkowania genetyczne i zywieniowe wplywajace na jakosc zywca wolowego

43%

Trela J., Choroszy Z., Choroszy B.

Biuletyn Informacyjny. Instytut Zootechniki

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1992

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tom 30

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nr 3-6

5-21

Ograniczanie wyników

Performance testing of young Red-and-White bulls as based on different criteria

Characteristics of the genetic structure of Red-and-White cattle based on blood group tests

Polymorphism A/C in exon 7 of the bovine estrogen receptor alpha (ERalpha) gene and its association with functional and milk production traits in Red-and-White cattle

The effects of genotype and selected environmental factors on colostrum production and intake in cattle

Rasa czerwono-biala

Dairy traits of the progeny of Red-and-White bulls described through the genetic polymorphism of milk proteins and principally of fraction alphaS1-CN

Growth rate of calves and condition of their Red-and-White, Charolais, F1 or R1 dams in relation to the genetic polymorphism of milk proteins

Heterosis resulting from reciprocal crossing to the paternal component [Red Angus] observed in generation R1 obtained as result of inbreeding

Budowa histologiczna i zawartosc kolagenu w tkance skornej buhajkow cb, czb i simental

Wstepne wyniki krzyzowania miejscowego bydla nizinnego czerwono-bialego z bydlem czerwono-bialym szwedzkim [srb] i ayrshire'em finskim [af]. Cz. III. Uzytkowosc mleczna

Effect of copper inhibitors in diet on cows' yield, milk composition and cholesterol level in milk and blood plasma

Wstepne wyniki krzyzowania miejscowego bydla nizinnego czerwono-bialego z bydlem czerwono-bialym szwedzkim [srb] i ayrshire'em finskim [af]. Cz. I. Wzrost i eksterior

Wstepne wyniki krzyzowania miejscowego bydla nizinnego czerwono-bialego z bydlem czerwono-bialym szwedzkim [srb] i ayrshire'em finskim [af]. Cz. II. Budowa wymion

Wplyw czynnikow srodowiskowych i genetycznych na stan zarazenia bydla nicieniami zoladkowo-jelitowymi

Uwarunkowania genetyczne i zywieniowe wplywajace na jakosc zywca wolowego