Vaislai audzējamo teļu augšanas un attīstības analīze

Eihvalde, I., Latvia Univ. of Agriculture, Jelgava . Faculty of Agriculture. Inst. of Agrobiotechnology; Kairisa, D., Latvia Univ. of Agriculture, Jelgava . Faculty of Agriculture. Inst. of Agrobiotechnology

Breeding calves' growth and development analysis | Vaislai audzējamo teļu augšanas un attīstības analīze

2011

Eihvalde, I., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture. Inst. of Agrobiotechnology | Kairisa, D., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture. Inst. of Agrobiotechnology

It is possible to discuss the growth of productive cows by items of calves growth and development. The aim of the research was to evaluate body weight, heart girth, hip height and wither height of female calves until the age of six months. The research was carried out at Latvia University of Agriculture (LLU), in dairy farm ''Līgotnes'' of the Research and Study Farm ''Vecauce'', in a loose housing system. The research was carried out from November 2009 until March 2011. The control of body weight has been done to 77 calves once a month. The average body weight of calves at birth was 44.3 kg. There were significant differences of body weight of calves which were born in summer (42.6 kg) and winter (45.4 kg), the difference is 2.8 kg (p is less than 0.05). After the age of 4 months when calves were moved to heifer farm, it was noticed that their body weight and development items’ changes decreased.

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Mots clés AGROVOC

animal developmental stages birth weight body measurements body parts body weight etapas del desarrollo animal gain de poids ganancia de peso heifers latvia letonia lettonie mensuration corporelle novilla partes del cuerpo partie du corps peso al nacimiento peso corporal poids corporel recherche research weight gain

Informations bibliographiques

Editeur

Latvijas Lauksaimniecības universitāte

Pagination

p. 13-17

D'autres materias

Stade de developpement animal; Medicion del cuerpo; Investigacion; Poids a la naissance; Genisse

Langue

letton

Note

Summary (En)

2 tables, 2 fig., 4 ref.

ISBN

978-9984-48-053-4

Type

Conference; Summary

Source

Harvest festival ''Vecauce - 2011''. 90 years of the Study and Research Farm Vecauce of Latvia University of Agriculture. A collection of articles of scientific workshop, Gaile, Z.Lapins, D.Karklins, A..- Jelgava (Latvia): Latvijas Lauksaimniecības universitāte, 2011. Zinatniskais seminars: Razas svetki Vecauce, 11, Auce (Latvia), 3 Nov 2011.- 978-9984-48-053-4.- p. 13-17

Conférence

Zinatniskais seminars: Razas svetki Vecauce, 11, Auce (Latvia), 3 Nov 2011

Sur AGRIS depuis: 2011-12-15

Format: AGRIS AP

Fournisseur de données

Cette notice bibliographique a été fournie par Fundamental Library of Latvia University of Life Sciences and Technologies

Découvrez la collection de ce fournisseur de données dans AGRIS

Liens

http://llufb.llu.lv//conference/LLU-Vecauce/2011/Vecauce2011-13-17.pdf http://llufb.llu.lv/conference/LLU-Vecauce/2011/Vecauce2011.pdf

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