نتایج جستجو برای: egg yolk
تعداد نتایج: 48601 فیلتر نتایج به سال:
Egg yolk undergoes an irreversible gelation process at temperatures below −6 °C, which greatly impairs its application and increases apparent viscosity. This work was aimed to investigate the effect of salt pH in preventing frozen-thawed egg yolk. Before freezing, 5% added into pasteurized liquid yolk, then adjusted different levels (5.7, 6.0 6.3) with citric acid. After that, stored −18 °C for...
The objective of this study was to evaluate effect of different concentrations of catalase in two extenders on motility, viability and lipid peroxidation bull spermatozoa during semen freezing process. Thirty ejaculates collected from ten Holstein bulls were pooled and evaluated at 37 °C. Pool ejaculated was split into two main experimental groups, 1 and 2. In experiment 1, specimen was dilute...
two breeds of chickens were used to develop reference family and detect qtls affecting egg quality traits: cocks of a native polish breed green-legged partidgenous (glp) and hens of rhode island red (rir). during the first 100 days of the laying period, the glp hens lay about 40 eggs weighting on average 50 g, whilst the rir flock laid 83 eggs with a mean weight of 60 g. qtl analysis of egg qua...
The study was conducted to evaluate the effects of different dietary oil sources supplementation on laying hens' performance and fatty acids profile of egg yolks. Seventy-two 23-week-old laying hens (Tetra-SL) divided into six experimental diets (four replicates and three birds per replication) in a completely randomized design for nine weeks. Experimental diets were included: 1) control (no oi...
This study was conducted to examine if L-carnitine supplementation in the Tris-egg-yolk extender can improve the motility characteristics, membrane integrity, and in vitro fertilization potential after cryopreservation of ejaculated bovine spermatozoa. It was carried out on January to May 2013 at the University of Wisconsin-Madison. L-carnitine at final concentrations of 0.5, 1, 10, and 30mM we...
The present study was conducted to determine egg production traits and egg quality characteristics in black and brown lines of Japanese quail. A total of 500 quails comprising 400 females and 100 males obtained from two breeding centers were raised according to the standard procedure for Japanese quail. They were grouped in according to their plumage colours. Age at first egg-laying has been re...
BACKGROUND Increasingly the potential harm from high cholesterol intake, and specifically from egg yolks, is considered insignificant. We therefore assessed total plaque area (TPA) in patients attending Canadian vascular prevention clinics to determine if the atherosclerosis burden, as a marker of arterial damage, was related to egg intake. To provide perspective on the magnitude of the effect,...
BACKGROUND We have previously characterized several antihypertensive peptides in simulated digests of cooked eggs and showed blood pressure lowering property of fried whole egg digest. However, the long-term effects of this hydrolysate and its fractions on blood pressure are not known. Therefore, the objectives of the study were to determine the effects of long term administration of fried whol...
This experiment was conducted to investigate effects of l-arginine on productive performance and egg quality parameters, blood and hormone parameters of laying hens in late phase of production for 8 weeks. Forty eight Hy-Line W-36 were used in a completely randomize design with four level of l-arginine (1/20=control diet, 1/32, 1/44 and 1/56 percent) and four replicate from 92-98 weeks of age. ...
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