搜索结果: 1-15 共查到“畜牧学 sows”相关记录26条 . 查询时间(0.078 秒)
Placental characteristics of German Landrace sows and their relationships to different fertility parameters
pig placenta fecundity placental efficiency litter number litter size
2018/11/23
The placenta is the central foetal organ that ensures a sufficient exchange of nutrients and metabolites for adequate foetal growth. Specific data profiles for placental characteristics from modern pi...
Effects of dietary arginine supplementation on reproductive performance and immunity of sows
l-arginine litter performance placenta humoral immune
2015/6/24
Arginine (Arg) is considered to have beneficial effects on placental development and function, as well as reproductive performance. The well-developed placenta is highly required in late gestation for...
Effects of supplemental phytase on nutrient digestibility and performance of sows fed diets with high or low native phytase activity
sows intrinsic and microbial phytase reproductive traits digestibility
2015/6/9
Two experiments were conducted to examine the influence of addition of microbial phytase to diets differing in native phytase content, on the performance of sows and digestibility of nutrients. Barley...
Use of Chlorella as a carrier of organic-bound iodine in the nutrition of sows
iodine intake colostrum milk milk production growth of piglets
2015/6/5
The effect of supplementation with iodine incorporated into biomass of the unicellular alga Chlorella on the content of this element in colostrum and milk was investigated in sows of the Large White b...
The dynamics of changes in selected parameters in relation to different air temperature in the farrowing house for sows
sows air temperature reproductive parameters average daily weight gain
2015/6/5
The purpose of this study was to analyse the influence of different external air temperature on changes in the air temperature of housing environment in the farrowing house for sows and consequent cha...
Influence of various lysine and threonine levels in feed mixtures for lactating sows on milk quality and piglet growth
amino acids lysine threonine crude protein lactating sow milk piglet growth
2015/6/2
The quality of produced milk and piglet growth were investigated in three groups of lactating Large White sows fed three mixtures containing different levels of lysine, threonine and crude protein. Pi...
Herd specific effects of the ESR gene on litter size and production traits in Czech Large White sows
pig reproduction litter size
2015/6/1
The effect of PvuII polymorphism of the oestrogen receptor gene on litter size and production traits in a Czech Large White population (882 sows, 2 455 litters) was evaluated. Data were analysed by fo...
Benefits of Prepartum Nest-building Behaviour on Parturition and Lactation in Sows — A Review
Farrowing Environment Nest-building Pig Welfare Maternal Behaviour Farrowing Duration Stillbirths
2016/5/19
It is well known that prepartum sows have an innate motivation to build a nest before parturition. Under commercial conditions, however, the farrowing crate, which is widely used in modern pig husband...
Dietary Supplementation of Magnesium Sulfate during Late Gestation and Lactation Affects the Milk Composition and Immunoglobulin Levels in Sows
Magnesium Sulfate Sow Performance Fecal Moisture Immunoglobulin Milk Composition
2016/5/17
This experiment was conducted to investigate the effects of dietary supplementation of magnesium sulfate (MgSO4) during late gestation and lactation on sow and litter performance, fecal moisture, bloo...
Effects of Lysine Intake during Middle to Late Gestation (Day 30 to 110) on Reproductive Performance, Colostrum Composition, Blood Metabolites and Hormones of Multiparous Sows
Lysine Gestation Sows Reproductive Performance
2016/5/6
Lysine intake during gestation has a major impact on subsequent reproductive performance. The objective of this experiment was to determine the effect of lysine intake from mid-gestation until farrowi...
Effect of Dietary Energy Levels of Gestating Sows on Physiological Parameters and Reproductive Performance
Energy Level Body Weight Backfat Thickness Progesterone Primiparous Sow
2016/5/5
This experiment was conducted to investigate the effects of dietary energy levels of gestating gilts on physiological parameters and reproductive performance for primiparous sows. A total of 40 F1 gil...
Reproductive Performance, Milk Composition, Blood Metabolites and Hormone Profiles of Lactating Sows Fed Diets with Different Cereal and Fat Sources
Cereal Fat Reproductive Performance Sow
2016/5/4
Different dietary cereal sources and fat types in the lactation diet were evaluated to investigate their effects on reproductive performance, milk composition, blood metabolites and hormones in multip...
EFFECT OF THE SELECTED IMMUNOSTIMULATORS ON PHYSIOLOGICAL AND PRODUCTION PARAMETERS OF SOWS
sows immunostimulation blood colostrum
2010/12/6
The aim of the study was to determine the effect of immunostimulation of sows during the perinatal period (Biostymine, Lydium-KLP) on physiological-production parameters of the sows: haematological an...
Rectal Temperature of Lactating Sows in a Tropical Humid Climate according to Breed, Parity and Season
Rectal Temperature Thermoregulation Sows Breed Parity Tropical Climate
2016/4/25
The effects of season (hot vs. warm) in a tropical humid climate, parity (primiparous vs. multiparous) and breed (Creole: CR, Large White: LW) on rectal temperature (RT) were studied for a total of 22...
Predicting Parturition Time through Ultrasonic Measurement of Posture Changing Rate in Crated Landrace Sows
Sows Parturition Ultrasound Postures Basic Parturition Threshold Value (BPTV)
2016/4/25
This study presents an automatic system to predict parturition time in the crated sows. The system relies on ultrasonic transducers mounted from above along the length of the crate. Using a 40 kHz tim...
