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"Experientia docet" - Experience is the best teacher

The effect of plant extracts fed before farrowing and during lactation on sow and piglet performance

  • 2012
  • Issue: 1
  • Volume: 42
B. Matysiak, E. Jacyno, M. Kawęcka, A. Kołodziej-Skalska & A. Pietruszka Page: 15 - 21

The objective of this study was to investigate the effects of a mixture of plant extracts (XTRACT 6930), consisting of 5.4% (wt/wt) carvacrol (oregano), 3.2% cinnamaldehyde (cinnamon) and 2.2% capsicum oleoresin (Mexican pepper), on piglet and sow performance when used…

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Performance and egg quality of aged laying hens fed diets supplemented with meat and bone meal or oyster shell meal

  • 2012
  • Issue: 1
  • Volume: 42
A.U. Çatlı, M. Bozkurt, K. Küçükyılmaz, M. Çınar, E. Bintaş, F. Çöven & H. Atik Page: 74 - 82

Meat and bone meal (MBM) and oyster shell meal (OSM) were supplemented to a basal diet (LMS), either alone or in combination, in order to assess the dietary influences of those complementary Ca sources on performance and egg quality of…

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Animal factors affecting fatty acid composition of cow milk fat: A review

  • 2012
  • Issue: 2
  • Volume: 42
E. Samková, J. Špička, M. Pešek, T. Pelikánová & O. Hanuš Page: 83 - 100

The review summarizes literature dealing with the effects of animal factors (breed, cow individuality, parity and stage of lactation) on fatty acid (FA) composition of milk fat. Genetic parameters affecting the composition of the FAs in milk are reviewed and…

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Fatty acid profile and cholesterol content of m. longissimus of free-range and conventionally reared Mangalitsa pigs

  • 2012
  • Issue: 2
  • Volume: 42
N. Parunović, M. Petrović, V. Matekalo-Sverak, D. Trbović, M. Mijatović & Č. Radović Page: 101 - 113

This study investigated the effects of different feeding systems (free-range versus conventional rearing) on carcass characteristics, chemical composition, fatty acid profile and cholesterol content of the musculus longissimus lumborum et thoracis (MLLT) of Mangalitsa pigs. Depending on the rearing system…

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Pedigree analysis of an ostrich breeding flock

  • 2012
  • Issue: 2
  • Volume: 42
M.D. Fair, J.B. van Wyk & S.W.P Cloete Page: 114 - 122

Pedigree records, maintained from 1978 to 2005 at the Oudtshoorn Research Farm, South Africa, of 40 074 birds of a pair-breeding ostrich flock were used to estimate the effective number of founders (fe), the effective number of ancestors (fa), the…

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Foster parenting, human imprinting and conventional handling affects survival and early weight of ostrich chicks

  • 2012
  • Issue: 2
  • Volume: 42
M.D. Wang, S.W.P. Cloete, K. Dzama, M. Bonato & I.A. Malecki Page: 123 - 130

The effects of human imprinting and foster parenting by adult ostriches on the survival and growth performance of ostrich chicks were compared to conventional chick-rearing practices in two separate experiments. In the first experiment, the growth rate and survival of…

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Genetic variation within and among three ostrich breeds, estimated by using microsatellite markers

  • 2012
  • Issue: 2
  • Volume: 42
A.H. Davids, S.W.P. Cloete, A.E. Bester-van der Merwe, F. Muchadeyi, R. Slabbert & K. Dzama Page: 156 - 163

Genetic diversity within and among three ostrich populations was investigated to corroborate whether these populations can be classified genetically as three different breeds. The DNA of South African Black (SAB, n = 30), Zimbabwean Blue (ZB, n = 32) and…

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