Effect of short time precise dietary energy-protein in reproductive parameters of local crossbred dairy goats.

Objective: This study aimed to establish and focus on the implications of precise energy and protein levels on reproductive performance. This study based on field facts showed that excessive feed intake, especially protein intake, to increase productivity will lead to some decreased reproductive efficiency through disruption of reproductive hormonal compound biosynthesis or increasing blood urea nitrogen (BUN), which has rarely been studied.

Materials And Methods: Healthy and mature Saanen crossbred goats raised by traditional farmers (2-4 years old; ± 45 kg) were divided into three experimental groups [T0 = basal feed according to the feed provided by farmers, T1 = protein and energy balanced feed according to National Research Council (NRC) (±5%), T2 = feed >20% excess protein, and excess energy from NRC] ( = 75).

Detection of DNA Damage in Frozen Bovine Semen Using Eosin Staining.

<b>Background and Objective:</b> Early detection of DNA defects in spermatozoa is vital because genetic abnormalities are associated with infertility and miscarriage. Eosin is an acidic stain with negatively charged chromatolytic components also found in the cytoplasm of spermatozoa. This study aimed to observe the effectiveness of eosin staining in detecting spermatozoa DNA deterioration.

Effect of follicle-stimulating hormone on Bligon goat oocyte maturation and embryonic development post fertilization.

Background And Aim: Bligon goat is a crossbreed between Etawah and Kacang goat. This crossbreed goat is mostly reared by small farmers. maturation allows female goat (does) contributes toward reproduction despite the fact that the animal has been slaughtered.

Blood Metabolic and Estradiol Level of Repeat Breeder and Fertile in Friesian Holstein Cross Breed Cows in the Tropic.

Background And Objective: The repeat breeding becomes the major reproduction problem in tropic area especially in Indonesia. It relates to blood metabolic and hormonal level. This research was conducted to investigate the level of blood metabolic and estradiol between the repeat breeder Friesian Holstein Cross Breed Cows (FHCB) and the fertile FHCB cows.

Effects of body condition score and estrus phase on blood metabolites and steroid hormones in Saanen goats in the tropics.

Background And Aim: Body condition scores (BCSs) assessment can be a potential management tool for the improvement of animal performance. The study investigated whether blood metabolic (protein, glucose, blood urea nitrogen, and cholesterol) and steroid hormonal (progesterone, estrogen, and cortisol) parameters are affected by the BCS and estrous status in Saanen goat.

Materials And Methods: Blood samples were collected from three groups of mature, dry, and non-pregnant female goats with different BCSs: 2-2.

Cortisol and Blood Urea Nitrogen Profiles in Fertile and Repeat-breeder Holstein-friesian Crossbred Cows.

Background And Objective: Repeat breeding, in which conception fails after repeated inseminations is a major problem in the dairy industry that leads to economic losses. To examine the role of stress under this condition, this study was conducted to evaluate cortisol and blood urea nitrogen (BUN) levels in fertile and repeat-breeder Holstein-friesian crossbred cows in smallholder farms.

Materials And Methods: Thirty cows were divided into two groups: Fertile and repeat-breeder cows, with 15 cows per group.

Estrus Detection Through Vaginal pH in Saanen Etawah Crossbreed Goats.

Background And Objective: In goats, weak estrus behavior is potentially caused by a decline in reproductive efficiency. In the present study, aim was to measure the vaginal pH to determine the accuracy of lust detection in Saanen Etawah crossbreed goats.

Materials And Methods: Thirteen Saanen Etawah crossbred does (Capra hircus) with body condition score of 2-3 were used.

Role of MAdCAM-1 and its ligand on the homing of transplanted hematopoietic cells in irradiated mice.

We examined the expression of VCAM-1 and MAdCAM-1 after bone marrow transplantation (BMT). We also examined the influence of alpha(4)beta(7) integrin blockade on the homing of cells to the bone marrow and spleen. The expression of VCAM-1 and MAdCAM-1 by endothelial cells in the spleen and bone marrow was examined by immunoelectron microscopy using colloidal gold and was analyzed semiquantitatively.

Distribution patterns of immunocompetent cells in the pregnant mouse uteri carrying allogeneic mouse and xenogeneic vole embryos.

Mouse and vole embryos were allogeneically and xenogeneically transferred into pseudopregnant CD-1 and immunodeficient (scid) female mice, and we investigated the distribution of immunocompetent cells, uterine natural killer (uNK) cells, mast cells and macrophages, in the implantation sites on days 6, 7 and 8 of gestation. The survival rate of the vole embryos decreased gradually with increased gestation, but the rate was higher in the scid uteri than in the CD-1 mice. The number of uNK cells increased markedly at the mesometrial triangle and the outer decidual area in the CD-1 uteri containing vole embryos; by contrast, scid uteri having vole embryos showed almost the same number as those having mouse embryos.

Reproductive features of the Russian vole in laboratory breeding.

Reproductive features of newly bred Russian voles (Microtus rossiaemeridionalis) as a laboratory animal were studied. This species is a copulatory ovulator, and most couples copulated 6 to 16 h after pairing. The gestation period varied from 18 to 22 days (mean +/- SD: 20.