Background: A previous study showed that prebiotics and synbiotics administered in ovo into the egg air cell on 12th day of incubation enhance growth development chickens.However, influence this procedure efficiency innate immune system broiler chickens is unclear.Therefore, aim was to evaluate whether early (on embryo development) administration selected (inulin -Pre1 Bi 2 tos -Pre2) + Lactococcus lactis subsp.lactis IBB SL1 -Syn1 L. subsp.cremoris SC1 -Syn2) influences system.Results:...

The effect of the in ovo application selected prebiotics and synbiotics on humoral immune response against T-dependent (SRBC) T-independent (dextran) antigens delayed-type hypersensitivity (DTH) to phytohemagglutinin was studied. On 12th day incubation, 800 eggs (Ross 308) were divided into five groups injected egg air chamber with prebiotic inulin (Pre1), Bi2tos (Pre2), a synbiotic composed Lactococcus lactis subsp. IBB SL1 (Syn1), L. cremoris SC1 (Syn2), physiological saline (control...

Imidacloprid (IMI), an insecticide from the neonicotinoid group widely used in agriculture, has drawn attention due to its potential harmful effects on non-target species, including bird populations. In present work, we investigated effect of IMI avian semen by vitro exposure rooster spermatozoa this pesticide. The was collected twice a week. Samples one day were pooled and incubated with following concentrations: 0 mM, 0.5 5 10 mM 50 at 36°C for 3 hours. Comprehensive analysis carried out...

A continuous decline in the number and range of capercaillie (Tetrao urogallus L.) many European countries can be observed, mostly due to habitat destruction by human activity, unecological forestry management, increased density natural predators. Ex situ vitro gene banks provide a unique opportunity preserve genetic material for future generations. Simple effective cryopreservation methods semen are discussed. Semen was collected from seven males kept Capercaillie Breeding Centre at...

Manipulations of the intestinal microbiota composition may improve health and performance chickens. In ovo technology allows administration a bioactive substance to enter directly into incubating egg. The objective present study was investigate effect in administered prebiotics or synbiotics on microbial activity products caeca development small intestine broiler Ross 308 male chickens hatched from eggs injected with were used this study. Five experimental groups formed: C (Control) – 0.9%...

Normal tables provide an objective step-wise description of the morphological development embryo. Such have been described for chicken, turkey, quail, and duck embryos, but there is no such staging table goose embryos. As has one longest incubation periods all poultry species embryo mortality during relatively high, a normal would be useful in assessing morpho-genetic status before incubation. In this study, embryos were isolated from commercial White Koluda eggs stored longer than four days...

Prebiotics, probiotics, and synbiotics, delivered in ovo influence the colonization development of peripheral immune system poultry. This study aimed to investigate host genotype (broiler chickens [Ross 308] old native Polish breed Green-legged Partridgelike [GP] chickens) on number B T cells spleen cecal tonsils (CT). The solution a bioactive compound was injected day 12 egg incubation: prebiotics (galactooligosaccharides [GOS]), probiotics (Lactococcus lactis subsp. cremoris IBB477),...

1. Effect of Carcass Weight on Physicochemical and Sensory Traits Duck Meat Yun Seok Kim, Jin Hyung Soo Hyun Cho, Sun Moon Kang, Geun Ho Woo Seo, Ba Hoa Van Korean Journal Poultry Science CrossRef

Polychlorinated dibenzo-p-dioxins and dibenzofurans (dioxins) are classed as persistent organic pollutants have adverse effects on multiple functions within the body. Dioxins known carcinogens, immunotoxins, teratogens. transformed in vivo, interactions between products aryl hydrocarbon receptor (AhR) lead to formation of proinflammatory toxic metabolites. The aim this study was determine whether α-tocopherol (vitamin E), acetylsalicylic acid (ASA), levamisole can decrease amount damage...

Artificial insemination is used in almost 95% of turkey reproductive flocks and becoming more important chickens, particularly broiler breeders, as well assisted reproduction wild birds kept breeding centers. Diluted semen recommended for artificial insemination. Pooled samples collected twice a week by dorso-abdominal massage from 2 chicken lines: laying—ISA Brown (ISA-B) meat type—Hubbard Flex (H-F) were divided into 5 parts: neat diluted 1:2 ratio with 4 extenders: basic EK; EK + 1 μg/mL...

The effects of in ovo-delivered prebiotics and synbiotics on the lymphocyte subsets lymphoid organs non-immunized 7-day-old broiler chickens non-immunized, sheep red blood cells (SRBC)-immunized, dextran (DEX)-immunized 21- 35-day-old birds were studied. substances injected 12th day egg incubation: Prebiotic1 group (Pre1) with a solution inulin, Prebiotic2 (Pre2) Bi2tos (non-digestive transgalacto-oligosaccharides), Synbiotic1 (Syn1) inulin Lactococcus lactis subsp. IBB SL1, Synbiotic2...

1. The aim of the present study was to evaluate yield and tissue composition carcases from White Kołuda ganders (males) geese (females), determine relationships between body measurements carcase composition. 2. experiment carried out on 200 (100 males 100 females) reared 14 weeks age then fed with oats for next 3 weeks. Live weight dimensions, slaughter yield, percentage muscles skin fat in were measured correlation coefficients calculated values 3. 17 characterised by high (6705 g) good...

In Poland Capercaillie (Tetrao urogallus L.) is one of the most seriously endangered grouse species. The ability semen collection and its utilization for female insemination would allow overcoming some fertility problems observed in captive-bred populations thus reduce rate loss genetic diversity. present experiment was carried out on 13 individuals: eight males were kept with females five alone. From each male, collected four times, every second day, overall appearance (color, viscosity),...

Abstract 1. The effects of dried distillers grains with solubles (DDGS) dietary inclusion concentration, and sex, on body weight, slaughter efficiency meat characteristics Pekin ducks (Anas platyrhynchos f. domestica, strain P55) were studied. 2. Sexed ducklings (n = 160) divided randomly into 4 groups (each replicates). From d 1 to 21, all the birds received same commercial feed, then from 22 49 age fed in following groups: control (commercial feed) three experimental (15%, 25% 30% DDGS)....

We tested the feasibility of obtaining ejaculates from Capercaillie (Tetrao urogallus L.) kept under aviary conditions. A total 9 individuals in their first (n = 4), fifth 3) or sixth 2) reproductive season were raised floor pens absence (1-year old males) presence (5 and 6-year contemporary females attempted to semen collections using massage technique. Among males tested, successful ejaculations observed more frequently older (90%) than young (50%). The following characteristics observed:...

Artificial insemination (AI) is very helpful in solving the reproductive and biodiversity problems observed small, closed avian populations. The successful production of fertilized eggs using AI dependent on collection good quality semen. Two methods male sexual stimulation semen from captive kept capercaillie (Tetrao urogallus L.), one most seriously endangered grouse species Europe, are compared this study. Ejaculates were obtained either with use a dummy female or by dorso-abdominal...

Contents Captive breeding has become an important tool in species conservations programmes, maintaining genetic diversity and restoring wild, endangered populations. In order to improve the reproductive efficiency of captive kept capercaillie, purpose study was determine effect selenium vitamin E addition semen extender on sperm characteristic during short‐term storage. Ejaculates collected individually from four capercaillie were divided into two parts, diluted threefold with basic EK...

Although it has been strongly implied that studies on structural function might resolve certain conflicting theories regarding the huge variability of coloration in avian eggs, including maculation, fundamental physiological question about functional role eggshell speckling maternal deposition micronutrients into maculated (pigment spots) and plain (unpigmented) regions remains largely unanswered. We measured (within same egg) concentrations 2 micronutrients, staple components eggshells...

Conservative breeding ex situ in vivo is one of the most popular methods creating genetic reserves. Unfortunately, keeping animals small closed populations leads to inbreeding which reduces their reproductive capacity. The aim study was characterize sperm quality 6 groups geese (northern and southern breeds) kept Poland for many generations as reserve flocks. Each breed represented by 10 randomly selected 1-yr-old ganders, semen collected 14 times, individually from each male, number...

The Western capercaillie (Tetrao urogallus) is a specific bird species, which, despite its very broad distribution and large global population size, highly endangered in many Central European countries. According to the species situation, countries (including Poland), breeding reintroduction programmes have been started. One of most complex large-scale was started Bory Dolnośląskie Forest, Capercaillie Breeding Centre Wisła Forest District used as one sources individuals for reintroduction....