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Effect of dietary supplementation of some antioxidants on growth performance, carcass composition and breast meat characteristics in quails reared under heat stress
quail vitamin E vitamin C lipoic acid growth performance meat quality
2015/6/8
This research investigates the effects of adding vitamin E, vitamin C, vitamin E+C, and alpha lipoic acid to feed rations for Japanese quails (Coturnix coturnix japonica) exposed to heat stress. The a...
Feeding ruminally protected methionine to pre- and postpartum dairy cows: effect on milk performance, milk composition and blood parameters
methionine milk yield milk components
2015/6/8
An experiment was conducted to evaluate the effect of ruminally protected methionine (Mepron? Degussa AG, Germany) in dairy cows. Three weeks before calving 36 cows (Holstein and Czech Fleckvieh breed...
Laying performance and eggshell quality in laying hens fed diets supplemented with prebiotics and organic acids
laying hens egg production eggshell quality organic acids prebiotic fructans
2015/6/8
The aim of the study was to evaluate the effect of organic acids and the prebiotic fructans on egg production and eggshell quality when added to the layer diet with different levels of calcium and pho...
The effects of dietary garlic powder on performance, egg yolk and serum cholesterol concentrations in laying quails
garlic powder laying quail laying performance egg traits serum parameters
2015/6/8
This study was conducted to investigate the effects of garlic powder on the performance, egg traits, egg cholesterol and serum parameters of laying Japanese quails. One hundred and twenty 10-weeks-old...
Effects of dietary threonine on growth performance and carcass traits of Yangzhou geese
threonine geese growth performance carcass traits
2015/6/8
A dose-response experiment with 5 total dietary threonine (Thr) levels (0.54, 0.64, 0.74, 0.84 and 0.94%) was conducted to study the effect of dietary Thr on growth performance and carcass traits of Y...
Effect of different phosphorus levels on the performance and egg quality of laying hens fed wheat- and maize-based diets
available phosphorus brown-egg laying hen wheat maize
2015/6/8
The effects of diet type (wheat- or maize-based) and concentration of available phosphorus (AP; about 4, 3 and 2 g/kg) on the parameters of hen performance and egg quality as well as shell calcium (Ca...
Effect of inorganic or organic selenium supplementation on productive performance, egg quality and some physiological traits of dual-purpose breeding hens
selenium egg production fertility hatchability egg quality
2015/6/8
One hundred and twenty (100♀ + 20♂) 30-weeks-old dual-purpose breeding hens of Gimmizah strain were housed in individual cages in a semi-open house. Birds were distributed randomly into five treatment...
The effect of dietary selenium sources and levels on performance, selenium content in muscle and glutathione peroxidase activity in broiler chickens
selenium source performance GSH-Px activity broiler cockerels
2015/6/8
The study examined the effect of dietary supplements of sodium selenite (SS), selenium-enriched yeast (Sel-Plex®, SP) and selenium-enriched alga Chlorella (SCH) on growth traits, carcass analysis...
Effect of whole cereal grains contained in the ration on calf performance and selected morphometric parameters of the rumen and small intestine
whole cereal grains calf performance morphometric parameters
2015/6/8
The aim of this study was to determine the effect of whole maize and oat grains contained in starter concentrates on the performance of calves (during the first 90 days of their life) and selected mor...
Comparison of the performance and precocity of winners of the most important european classic races
horses English Thoroughbred racing performance classic races
2015/6/5
Racing performance of winners of European classic races and of two-year-old horses was compared on the basis of two classic races: 1 600–1 609 m (one mile) and 2 100–2 414 m (derby). The horses includ...
The long-term administration of a clinoptilolite-supplemented feed to layers and its effect on performance, haematological parameters and metabolic profile
ZeoFeed layers performance blood tests
2015/6/5
120 selected layers (Bovans Goldline hybrid) aged 19 weeks with an average weight of 1 735 g were divided into two balanced groups: control group (Group C) and experimental (Group E). Layers were rear...
Performance of broilers fed diets supplemented with dry peppermint (Mentha piperita L.) or thyme (Thymus vulgaris L.) leaves as growth promoter source
broiler growth promoter herb leaf growth performance digestive tract
2015/6/5
A study was conducted to determine the performance, carcase and gastrointestinal tract (gut) characteristics of broilers fed diets supplemented with dry peppermint (Mentha piperita L.) or thyme (Thymu...
Growth performance of juvenile pikeperch, Sander lucioperca (L.) fed graded levels of dietary lipids
Sander lucioperca (L.) dietary fat levels growth body composition
2015/6/5
The aim of the experiment was to determine the effect of graded lipid content in experimental isoprotein feed (6, 10, 14% lipids and 45% protein) on the growth performance of juvenile pikeperch (initi...
Models for evaluation of growth of performance tested bulls
cattle random regression heritability statistical model growth curve bulls
2015/6/5
Before being used for insemination, young bulls of Czech Fleckvieh (CF) are tested for growth at performance-test stations. While at stations, the bulls are weighed monthly. Evaluation included 7 448 ...
Effects of differences in the initial body weight of groups on laying performance and egg quality parameters of Lohmann laying hens
body weight laying hen laying performance egg quality traits
2015/6/5
This study was carried out to investigate the effect of different body weight groups (light (L) = 1 400–1 500; medium (M) = 1 500–1 600 and heavy (H) = 1 600 < g) on performance and egg quality traits...