搜索结果: 1-15 共查到“饲料学 Cattle”相关记录33条 . 查询时间(0.156 秒)
Effects of Three Feeding Systems on Production Performance, Rumen Fermentation and Rumen Digesta Particle Structure of Beef Cattle
Production Performance Rumen Fermentation Rumen Digesta Particle
2016/5/20
The effects of three different feeding systems on beef cattle production performance, rumen fermentation, and rumen digesta particle structure were investigated by using 18 Limousin (steers) with a si...
Supplementing Vitamin E to the Ration of Beef Cattle Increased the Utilization Efficiency of Dietary Nitrogen
Vitamin E Digestibility Nitrogen Retention Plasma Beef Cattle
2016/5/19
The objectives of the trial were to investigate the effects of supplementing vitamin E (VE) on nutrient digestion, nitrogen (N) retention and plasma parameters of beef cattle in feedlot. Four growing ...
Characterization and Profiling of Liver microRNAs by RNA-sequencing in Cattle Divergently Selected for Residual Feed Intake
Bovine Feed Efficiency Gene Expression miRNAs Next Generation Sequencing
2016/11/10
MicroRNAs (miRNAs) are short non-coding RNAs that post-transcriptionally regulate expression of mRNAs in many biological pathways. Liver plays an important role in the feed efficiency of animals and h...
Effects of Partial or Total Replacement of Maize with Alternative Feed Source on Digestibility, Growth Performance, Blood Metabolites and Economics in Limousin Crossbred Cattle
Growing Performance Nutrient Digestibility Blood Metabolites
2016/5/17
Increasing cost and scarcity of maize has stimulated the use of alternative feed sources (AFS) in the diets of cattle. In this study, we investigated the effects of partial or total replacement of mai...
Factor Analysis of Linear Type Traits and Their Relation with Longevity in Brazilian Holstein Cattle
Autovalues Final Score Milk Production Linear Regression Longevity, Holstein
2016/5/16
In this study we aimed to evaluate the reduction in dimensionality of 20 linear type traits and more final score in 14,943 Holstein cows in Brazil using factor analysis, and indicate their relationshi...
Feed Intake, Digestibility, and N Retention in Cattle Fed Rice Straw and Para Grass Combined with Different Levels of Protein Derived from Cassava Foliage
Digestibility Intake Cassava Foliage Rice Straw Para Grass
2016/5/10
Eight male cattle of Local Yellow breed with an average live weight of 121 kg and an average age of 18 months were used to evaluate the effects of different levels of sun-dried cassava foliage supplem...
Modeling growth of dairy cattle heifers fed elephant grass under stall-feeding system in Uganda
Models weight gain heifers elephant grass simulation
2011/1/11
A simulation model was developed to predict growth rate and days required to reach target mating weight of dairy cattle heifers in a stall-feeding system. Input parameters for the model are gross ener...
Apparent Digestibility, Nitrogen Balance, Ruminal Microbial Nitrogen Production and Blood Metabolites in Thai Brahman Cattle Fed a Basal Diet of Rice Straw and Supplemented with Some Tropical Protein-rich Trees
Brahman Cattle Cassia Leucaena Mulberry Rain Tree Pod Rice Straw
2016/5/4
The effects of four types of tropical protein-rich trees on nutrient digestibility, nitrogen (N) balance, urinary purine derivative (PD) excretion and blood metabolites in four Thai Brahman cattle (29...
Carcass Traits and the Quality of Meat from Cattle Finished on Diets Containing Barley
Barley Grains Whole-crop Barley Silage Carcass Characteristics Meat Quality Cattle
2016/5/3
Research on barley as an animal feed started some decades ago but its utilization in animal production has been limited to countries that grow the crop extensively. Corn has been the most popular ener...
Effect of Elemental Sulfur Supplementation on Rumen Environment Parameters and Utilization Efficiency of Fresh Cassava Foliage and Cassava Hay in Dairy Cattle
Fresh Cassava Foliage Sulfur Cassava Hay Hydrogen Cyanide Dairy Cow
2016/5/3
Effect of sulfur (S) on utilization efficiency of fresh cassava foliage and cassava hay in dairy cows was evaluated using thirty-two 1st-2nd lactation Holstein-Friesian crossbred dairy cows. The exper...
Influence of Sulfur on Fresh Cassava Foliage and Cassava Hay Incubated in Rumen Fluid of Beef Cattle
Cassava Hay Cattle Fresh Cassava Foliage Hydrogen Cyanide Ruminant Sulfur
2016/5/3
Two male, rumen fistulated crossbred Brahman-Thai native beef cattle (body weight = 400??0 kg), fed on rice straw as a source of roughage, were used as rumen fluid sources. The treatments were 2?? fac...
Genetics of Residual Feed Intake in Cattle and Pigs: A Review
Consequences of Selection Genetic Variation Residual Feed Intake
2016/4/29
The feed resource for animals is a major cost determinant for profitability in livestock production enterprises, and thus any effort at improving the efficiency of feed use will help to reduce feed co...
Application of a Simulation Model for Dairy Cattle Production Systems Integrated with Forage Crop Production: the Effects of Whole Crop Rice Silage Utilization on Nutrient Balances and Profitability
Forage Rice Whole Crop Rice Silage Dairy Cattle Whole Farm Simulation Model Subsidy
2016/4/29
In Japan, since rice consumption has been decreasing with the westernization of Japanese eating habits, surplus paddy fields have been increasing. If these surplus paddy fields can be utilized for for...
Development and Evaluation of a Simulation Model for Dairy Cattle Production Systems Integrated with Forage Crop Production
Crop-livestock Mixed Farming System Dairy Cattle Linear Programming Farm Management Simulation Model Whole Farm
2016/4/28
Crop-livestock mixed farming systems depend on the efficiency with which nutrients are conserved and recycled. Home-grown forage is used as animal feed and animal excretions are applied to cultivated ...
Feed Consumption, Body Weight Gain and Carcass Characteristics of Jeju Native Cattle and Its Crossbreds Fed for Short Fattening Period
Jeju Native Cattle Growth Carcass Charolais Beef Crossbreds
2016/4/28
This study was conducted to compare the growth performance and carcass evaluation of Jeju native cattle (JNC) and its crossbreds (CBK = 25 JNC: 50 Charolais: 25 Brahman and BCBK = 62.5 JNC: 25 Charola...