نتایج جستجو برای: weaning weight
تعداد نتایج: 358999 فیلتر نتایج به سال:
OBJECTIVE The present study aimed to determine the impact of ewe body condition score (BCS) (over a range of 2.0 to 3.0) and nutritional treatments (consisting of differing herbage masses) during very late pregnancy and lactation and their potential interaction on the performance of twin-bearing ewes and their lambs to weaning. METHODS On day 142 of pregnancy, twin-bearing ewes with a BCS of ...
BACKGROUND Growth and meat production traits are significant economic traits in sheep. The aim of the study is to identify candidate genes affecting growth and meat production traits at genome level with high throughput single nucleotide polymorphisms (SNP) genotyping technologies. METHODOLOGY AND RESULTS Using Illumina OvineSNP50 BeadChip, we performed a GWA study in 329 purebred sheep for 1...
This research aimed to compare the growth performance of Ongole Grade (PO) cattle in Purwodadi Dalam and Wawasan villages. was conducted from December 2019 January 2020 at People's Animal Husbandry Center, Village Village, Tanjungsari District, South Lampung Regency, Province. study used a survey method (purposive sampling), using primary secondary data. The observed variables were birth weight...
The objective of this study was to determine the effects of different levels of garlic powder (GP) in the starter diet on performance, weight and age of weaning, some of blood metabolites, fecal score, structural growth and nutrients digestibility in new-born Holstein calves. Thirty male and femal dairy calves (40.9 ± 1.9 Kg of BW) were randomly assigned in a completely randomized design to the...
The objectives of this work were to evaluate birth and weaning traits, to estimate genetic effects, including heterosis and direct and maternal breed effects, and to evaluate calving difficulty, calf vigor at birth, and calf mortality of Romosinuano as purebreds and as crosses with Brahman and Angus. Calves (n = 1,348) were spring-born from 2002 through 2005 and weaned in the fall of each year ...
To assess the impact of prebiotic supplementation during gestation and fetal and early neonatal life, gestating BALB/cj dam mice were fed either a control or a prebiotic (galacto-oligosaccharides–inulin, 9:1 ratio)-enriched diet throughout pregnancy and lactation, and allowed to nurse their pups until weaning. At the time of weaning, male offspring mice were separated from their mothers, weaned...
SCOPE Metabolic programming can occur not only in the perinatal period, but also post-weaning. This study aims to assess whether fructose, in comparison to glucose, in the post-weaning diet programs body weight, adiposity, glucose tolerance, metabolic flexibility, and health at adult age. METHODS AND RESULTS Three-week-old male and female C57BL6/JRccHsd mice are given an intervention diet wit...
This study was conducted in Maale district Southwest Ethiopia with the objective of evaluating productive and reproductive performance goats under agro-pastoral management conditions. Thirty households that have flocks numbers more than ten were purposely selected monitored from July 2018 to 2019. Growth data birth weight, three month, six nine month yearly weight; type parity collected. The an...
Data from 14 inbred lines and 14 linecross groups of Hereford cattle at the San Juan Basin Research Center, Hesperus, were used to evaluate expected and realized response in birth and weaning traits and postweaning traits in males and females over a 28-yr period. There were large differences in the means and variances of the performance traits among the inbreds and linecrosses, with the inbreds...
OBJECTIVE To determine prevalence of infection with tritrichomonas fetus in a bull population; assess influence of age, breed, and grouping; assess effects on measures of cow performance (pregnancy rate, weaning percentage, weaning weight); and estimate test sensitivity. DESIGN Epidemiologic study. ANIMALS 1,383 bulls and records for 28,471 cows bred by these bulls in the immediate past bre...
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