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Differences between metabolic profiles of egg-type and meat-type hybrid hens

Author

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  • P. Suchý

    (, B. J 2, J. T 3, V. V 1 1University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • E. Straková

    (, B. J 2, J. T 3, V. V 1 1University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • B. Jarka

    (, B. J 2, J. T 3, V. V 1 1University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • J. Thiemel

    (, B. J 2, J. T 3, V. V 1 1University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • V. Večerek

    (, B. J 2, J. T 3, V. V 1 1University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

Abstract

The main objective of this study was to compare the metabolic profile (i.e. selected haematological and biochemical parameters in blood plasma) of production egg-type hybrid hens (E, MORAVIA BSL) with that of meat-type hybrid hens (M, COBB 500), and to evaluate dynamic changes occurring during the laying period from the 25th to 50th week of age. The study was prompted by both poultry farmers and veterinary practitioners since parameters defining the health of layers are absent. Selected parameters of the metabolic profile of layers were monitored regularly in 5-week intervals during egg laying. Samples of blood for haematological and biochemical examination were obtained by puncture of the vena basilica and stabilized by heparin. The study has revealed that monitored parameters of the metabolic profile significantly vary with factors such as production type, nutrition, and egg-laying intensity. Enhanced metabolism in egg-type hens was reflected in erythropoiesis which increased (in comparison with meat-type hens) highly significantly (P ≤ 0.01), particularly for erythrocyte count 2.36 T/l (2.14 T/l), haematocrit level 0.32 l/l (0.30 l/l), content of haemoglobin 94.48 g/l (84.18 g/l) and leukocyte count 17.06 G/l (13.22 G/l). Similarly, enhanced metabolism in egg-type hens also led to a highly significant increase (P ≤ 0.01) in the levels of biochemical parameters in blood plasma, particularly the total level of protein was 57.62 g/l (50.98) g/l), glucose 14.03 mmol/l (13.36 mmol/l), cholesterol 5.34 mmol/l (3.73 mmol/l) and calcium 6.52 mmol/l (5.52 mmol/l). ) In the case of the plasma level of phosphorus, no significant difference was found between egg-type hens (1.58 mmol/l) and meat-type hens (1.59 mmol/l). The reported results are based on the total of 180 haematological and biochemical analyses performed during the laying period. The results are crucial not only for future development of avian haematology and biochemistry, but also in respect to veterinary practice.

Suggested Citation

  • P. Suchý & E. Straková & B. Jarka & J. Thiemel & V. Večerek, 2004. "Differences between metabolic profiles of egg-type and meat-type hybrid hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 49(8), pages 323-328.
  • Handle: RePEc:caa:jnlcjs:v:49:y:2004:i:8:id:4316-cjas
    DOI: 10.17221/4316-CJAS
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    Citations

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    Cited by:

    1. J. Thiemel & P. Jelínek, 2004. "The effect of carnitine on hatching rate and metabolic profile of blood in breeding layers," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 49(12), pages 517-523.
    2. V. Pištěková & M. Hovorka & V. Večerek & E. Straková & P. Suchý, 2006. "The quality comparison of eggs laid by laying hens kept in battery cages and in a deep litter system," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 51(7), pages 318-325.
    3. E. Tůmová & R.M. Gous & N. Tyler, 2014. "Effect of hen age, environmental temperature, and oviposition time on egg shell quality and egg shell and serum mineral contents in laying and broiler breeder hens," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(9), pages 435-443.

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