搜索结果: 1-15 共查到“家畜饲养管理学 Calves”相关记录16条 . 查询时间(0.074 秒)
Influence of methionine supplementation of growing diets enriched with lysine on feedlot performance and characteristics of digestion in Holstein steer calves
Holstein Feedlot Amino Acid Supplementation Performance Digestion
2017/3/7
Two trials were conducted in order to examine the effects of level of supplemental methionine on productive performance, dietary energetic, plasma amino acid concentration, and digestive function.
Performance and Metabolism of Calves Fed Starter Feed Containing Sugarcane Molasses or Glucose Syrup as a Replacement for Corn
By-product Sucrose Butyrate Ruminal Development
2016/7/27
The aim of this study was to evaluate the effect of replacing corn grain for sugar cane molasses (MO) or glucose syrup (GS) in the starter concentrate on performance and metabolism of dairy calves. Th...
Effect of weaning calves from mother at different ages on their growth and milk yield of mothers
calf cow restricted suckling weaning growth milk production
2015/6/9
The aim of this study was to determine the impact of the length of calf sucking milk from its own mother on calf growth at the age of 3 months and milk yield of mothers. We tested a hypothesis that th...
Growth and carcass performance of bull calves born from Hereford, Simmental and Charolais cows sired by Charolais bulls
beef bull calves crossbreds body weight
2015/6/8
The analysis comprised purebred Charolais bull calves (CH) and crossbred bull calves born from Hereford (CH × HE) and Simmental (CH × SI) cows. Body weights and daily gains were measured in subsequent...
Rumen fermentation characteristics in pre-weaning calves receiving yeast culture supplements
Holstein calves Saccharomyces cerevisiae Kluyveromyces fragilis
2015/6/8
In an experiment with 45 neonatal male Holstein calves, effects of yeast cultures Yea-Sacc?1026 (SC) containing Saccharomyces cerevisiae (strain 1026) and Vitex (KF) containing Kluyveromyces fragilis ...
Influence of feeding system on growth performance, carcass characteristics and meat and fat quality of Avileña-Negra Ibérica calves’ breed
grass-fed calves carcass traits fatty acids intramuscular fat meat colour
2014/10/24
The effect of feeding system (calves reared under free-range conditions supplemented with concentrate vs. calves fed on concentrate and cereal straw in confinement) during finishing period on growth p...
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
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....
The Limiting Sequence and Proper Ratio of Lysine, Methionine and Threonine for Calves Fed Milk Replacers Containing Soy Protein*
Limiting Amino Acid Milk Replacers Calf Soy Protein
2016/5/9
The limiting sequence and relative ratio of lysine (Lys), methionine (Met), and threonine (Thr) for calves about 2 mo of age fed milk replacers (MR) containing soy protein are not clearly defined. The...
Effect of Feeding Direct-fed Microbial as an Alternative to Antibiotics for the Prophylaxis of Calf Diarrhea in Holstein Calves
Holstein Neonatal Calves Calf Diarrhea Antibiotic Multi-species Direct-fed Microbial
2016/5/6
The objective of this study was to determine the effect of feeding direct-fed microbials (DFM) on the growth performance and prophylaxis of calf diarrhea during the pre-weaning period as an alternativ...
Growth, Nutrient Utilization and Amino Acid Digestibility of Dairy Calves Fed Milk Replacers Containing Different Amounts of Protein in the Preruminant Period
Calves Dietary Protein Level Amino Acid Digestibility Growth
2016/4/28
This study was designed to examine the effects of different dietary protein levels on growth performance, nutrient utilization, amino acid (AA) digestibility and serum biochemical parameters of prerum...
Estimation of Rumen Microbial Protein Supply Using Urinary Purine Derivatives Excretion in Crossbred Calves Fed at Different Levels of Feed Intake
Crossbred Calves Levels of Feed Intake Purine Derivatives Microbial Protein Supply
2016/4/26
A study was carried out to study the response of total purine derivatives (PD) excretion in urine to determine microbial N (MN) supply at four fixed levels of feed intake (namely 95, 80, 60 and 40% of...
Effect of Lactic Acid Producing Bacteria on the Performance of Male Crossbred Calves Fed Roughage Based Diet
Crossbred Calves Lactic Acid Bacteria Body Weight Gain DFM
2016/4/19
To study the effect of feeding lactic acid producing bacteria on the performance of cattle calves, twenty four, day old male crossbred cattle calves (Bos indicus횞Bos taurus), were distributed i...
Effect of Pre-partum Feeding of Crossbred Cows on Growth Performance, Metabolic Profile and Immune Status of Calves
Pre-partum Feeding Immunity Crossbred Cows Calves
2016/4/19
The effects of pre-partum feeding management in terms of birth weight, growth, metabolic profile and immunity of calves were studied using 24 crossbred (Bos taurus횞Bos indicus) cows, divided in...
Effects of Feeding High and Low Energy Levels during Late Pregnancy on Performance of Crossbred Dairy Cows and Their Calves
Pre-calving Dairy Cow Feed Supply Nutrition and Lactation Feed Intake Reproduction
2016/4/15
The present research was designed to evaluate the effects of pre and post-partum energy level and feeding pattern on the performance of crossbred dairy cows and their calves under farm conditions. A t...
Effect of Feeding Ammoniated Wheat Straw Treated with and without Hydrochloric Acid on Meat Quality and Various Sensory Attributes of Growing Male Buffalo (Bubalus bubalis) Calves
Ammoniated Wheat Straw HCl Buffalo Calves Meat Quality Sensory Attributes
2016/4/15
An experiment was conducted to study the effect of feeding ammoniated wheat straw treated with and without HCl on meat quality and various sensory attributes of growing male buffalo (Bubalus bubalis) ...