搜索结果: 1-15 共查到“家畜饲养管理学 parameters”相关记录20条 . 查询时间(0.04 秒)
Residual frying oil in the diets of sheep:intake,digestibility,nitrogen balance and ruminal parameters
Alternative Feed Byproduct Feedstuff Energetic Lambs Lipid Source
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2017/3/7
The objective of this study was to evaluate the intake and nutrient digestibility, nitrogen balance and ruminal ammonia nitrogen in lambs of diets containing different levels of residual frying oil.
Effectiveness of Phytogenic Feed Additive as Alternative to Bacitracin Methylene Disalicylate on Hematological Parameters, Intestinal Histomorphology and Microbial Population and Production Performance of Japanese Quails
Feed Antibiotic Blood Constituents Performance Phytogenic Feed Additive
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2016/11/10
This study was conducted to evaluate the effects of phytogenic additive and antibiotic growth promoter in laying Japanese quails. One hundred and sixty five quails were divided into three groups of 5 ...
Changes over time in genetic parameters for growth in bulls and assessment of suitability of test methods
gain genetic analysis progeny test
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2015/7/3
Objectives of the study were to examine alternative measures of growth potential of bulls in testing stations, determine whether genetic parameter estimates of such traits changed over time, and exami...
Comparison of models for estimating genetic parameters and predicting breeding values for birth weight and calving ease in Czech Charolais cattle
beef cattle dystocia data transformation
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2015/7/2
The most appropriate model for genetic parameters estimation for calving ease and birth weight in beef cattle was selected. A total of 27 402 field records were available from the Czech Charolais bree...
Effect of evening primrose oil on biochemical parameters of thoroughbred horses under maximal training conditions
horse training program oxidative stress tissue damage
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2015/7/2
The antioxidative effect of evening primrose oil (EPO) administration on the oxidative stress of race horses during their regular training period was determined. The eight-week experiment was performe...
Effect of dietary phenylpropanoid glycoside-based natural extracts on blood parameters and productive performance in intensively-reared young hares
leverets plant extract verbascoside plasma metabolites growth performances
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2015/6/24
Two different doses of a dietary verbascoside-based supplement were evaluated on various blood parameters and on productive performance in young weaned hares reared intensively from 28 to 90 days of a...
Association analysis of PPARGC1A mutations with meat quality parameters in a commercial hybrid pig population
association analysis carcass composition meat quality pig PPARGC1A SNP
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2015/6/8
Peroxisome proliferator-activated receptor γ coactivator 1α (PPARGC1A) is a promising candidate gene for selection on meat and carcass quality traits in the pig industry. In the pig, several SNPs have...
Feeding ruminally protected methionine to pre- and postpartum dairy cows: effect on milk performance, milk composition and blood parameters
methionine milk yield milk components
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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...
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
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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...
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
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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...
Effect of dietary sources of roasted oilseeds on blood parameters and milk fatty acid composition
conjugated linoleic acid milk fat lactating dairy cattle plasma parameters soybean
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2015/6/5
The aim of this experiment was to investigate the effect of supplementing the basal diet with oilseeds on blood parameters and composition of milk fatty acids, especially conjugated linoleic acid (CLA...
Effect of shearing on some haematochemical parameters in ewes
Valle del Belice heat stress thermal homeostasis thermoregulation
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2015/6/5
The aim of the present paper was to study the effect of shearing on some haematochemical parameters in ewes. Forty Valle del Belice ewes, clinically healthy and well-fed, were divided into two groups ...
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
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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...
The evaluation of growth and selected carcass and meat quality parameters in fattening bulls fed a diet based on concentrates or maize silage
Czech-Pied bulls high-grain diet weight gain carcass weight m. longissimus
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2015/6/5
The aim of the study was to evaluate the growth rate and selected carcass and meat quality parameters in bulls fed a high-grain diet and to compare the results with those obtained in bulls fed a diet ...
Effects of Feeding Levels of Starter on Weaning Age, Performance, Nutrient Digestibility and Health Parameters in Holstein Dairy Calves
Holstein Dairy Calves Levels of Starter Health Performance
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2016/5/11
To evaluate the effects of feeding four different levels of starter in male Holstein dairy calves, a completely randomized study was conducted, using 28 calves with initial body weight of 40.5±2.4 kg....