نتایج جستجو برای: 1630 thousand rails 2306 total for average lactation length

تعداد نتایج: 10670770  

Background Breastfeeding is an only reliable nutritional source for infants. Many factors could affect breastfeeding such as delivery type. The aim of this study was to evaluate the relationship of delivery type and breastfeeding successful. Materials and Methods This was a descriptive-analytical study. Subjects of this study were 298 (148 subjects [49.7%] with cesarean and 150 subject [50.3%]...

2012
Aren Jansen Benjamin Van Durme Pascal Clark

We present an overview for a truly zero resource query-byexample search system designed for the 2012 MediaEval Spoken Web Search task. Our system is based on the recently proposed randomized acoustic indexing and logarithmictime search (RAILS) framework. The input is merely the raw acoustic observations for the query and search collection, requiring no trained models whatsoever, not even unsupe...

Journal: :مجله علوم کشاورزی ایران 0
شیدا ورکوهی سیدرضا میرائی آشتیانی حسن مهربانی یگانه نوید قوی حسین زاده

collected data in animal breeding center of iran from 1983 to 2003 was used to estimate the genetic parameters of milk yield in iranian holstein cattle. genetic parameters were estimated, using single and three trait animal models. records of three lactations were divided into thre esub groups according to average milk yield, climitical regions and herd sizes. all variance components in the thr...

2016
Melanie K. Hess Andrew S. Hess Dorian J. Garrick

Gender of the calf whose birth initiates lactation could influence whole lactation milk yield of the dam due to hormonal influences on mammary gland development, or through calf gender effects on gestation length. Fetal gender could influence late lactation yields because cows become pregnant at peak lactation. The effects of calf gender sequences in parities 1-3 were assessed by separately fit...

Journal: :Bionatura (Ibarra - Impresa) 2023

The results showed that the Holstein BTN1A1gene has two alleles (A allele ) which is superior to second (B )in values of substitution effect and average allele, homo genotype AA over hetero AB was successful in breeding value traits. It also revealed through new equations gene responsible for characteristic milk production total output amount 37725 Iraqi dinars full price, it affects by ±7.24 d...

2005
David Thomas David Heinemeier Hansson

The best ebooks about Agile Web Development With Rails A Pragmatic Guide Dave Thomas that you can get for free here by download this Agile Web Development With Rails A Pragmatic Guide Dave Thomas and save to your desktop. This ebooks is under topic such as agile web development with rails a pragmatic guide dave thomas agile web development with rails a pragmatic guide dave thomas agile web deve...

Journal: :Journal of dairy science 2007
M T Kuhn J L Hutchison H D Norman

The objectives of this research were to characterize dry period lengths for US Jerseys, determine the effects of days dry (DD) on subsequent lactation actual milk, fat, and protein yields, fat and protein percentages, somatic cell score (SCS), and days open (DO), and to determine the dry period length that maximizes yield across lactations. Field data, collected through the Dairy Herd Improveme...

2001
Mohamed RAMDANI Jean-Luc LEVANT

This paper deals with an innovative method of EMCcompliant design. This technique helps to optimize emission level as soon as in the design phase, and provides noise-related solutions which will be evaluated and integrated into the silicon. This method allows to model the activity of thousand-gate circuits thanks to only two current generators which represent supply current consumption in the V...

Journal: :Journal of Dairy Science 2021

Lameness, one of the most important disorders in dairy industry, is related to postpartum diseases and has an effect on cow welfare, leading changes cows' daily behavioral variables. This study quantified lameness time budget cows transition period. In total, 784 multiparous from 8 commercial Dutch farms were visually scored their locomotion (score 1–5) body condition 1–5). Each was early late ...

Journal: :Journal of animal science 2008
E E Grings A J Roberts T W Geary M D MacNeil

Primiparous beef cows produced in 3 calving systems were used in a 2-yr study with a completely random design to measure milk yield throughout a 190-d lactation (2002, n = 20; 2003, n = 24 per calving system). Calving occurred in late winter (average calving date = February 4 +/- 2 d), early spring (average calving date = March 30 +/- 2 d), and late spring (average calving date = May 26 +/- 1 d...

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