Tag: Landrace

About 15% of CpG islands were methylated in the genomes. Additionally, 2,807, 2,969 and 5,547 differentially methylated genes (DMGs) were identified in the Tongcheng vs. , Tongcheng vs …

Six pure wild boar (S. scrofa L.) and six domestic ( × Large White) with liveweights (mean ± S.E.M.) of 26 ± 0.6 and 21 ± 1.1 kg were obtained from commercial farms. The of origin of the wild boar does not have a genetic selection programme.

The animals were obtained from a swine breeding program located in Santa Catarina, Brazil. This line was initially developed from the crosses of eastern and western breeds and the expected proportion of the genes were 50% , 12.50% Meishan, 12.50% Xia Jing, 8.33% Hampshire, 8.33% Pietrain and 8.33% Large White.

In the Task Force on Conservation and Management report, Del Greco et al. (2007) chose to use the Villa et al. (2005) definition for their future activities, thus tying the concept of to traditional systems and the absence of formal breeding (although both these terms are ambiguous, since farmers have always used genetic …

and Duroc), Ashant i Dwarf and . … Native is an important component of rural systems in Liberia but the population has recently stagnated, due to the absence of …

Large White VS / which is Better for …

Small effective population size of the Kolbroek might be due to being raised in a research facility with limited boars and sows. Large White, Duroc and South African are commercial that have undergone strong selection for meat and carcass traits thus resulting in small effective population sizes.

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The average NBA and NW values were 12.7 and 12.1 in Yorkshire and 12.9 and 12.0 in , respectively. These results indicate a mean pre-weaning mortality of 4.9% in the Yorkshire herd and 7.5% in the herd. The LW21 values were 65.6 kg in Yorkshire and 66.8 kg in .

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A total of 228 female , including 188 and 40 large white , were bred at Tianjin Farmer Industry Technology Development Co., Ltd. (Ninghe, China) under standard conditions.

These are native to Denmark and were first developed in the early 20th century. Today, are popular among farmers and homesteaders for their versatility and adaptability, making them a great choice for small-scale .

Sows derived by criss-crossing between the Large White and breeds produced 183 litters; from these, 1158 were group fed in pens averaging 16 of the same sire breed, from weaning to a mean liveweight of 80 kg, and slaughtered at 2 commercial plants.

Yorkshire cross

The genotype of commercial in this study was three-way crossbred (Yorkshire × × Duroc). The “marketing ” referred to the fattening weighing 110–130 kg for slaughter.

Pedigree data included 608,138 Finnish 554,237 and Finnish Yorkshire , and on average 15 ancestral generations were known for the reference animals, born in 2005 to 2009.

The study aimed to investigate the genetic parameters of the production and reproduction traits of Korean Duroc, , and Yorkshire . Three production traits, namely average daily gain (ADG), age at 105 kg body weight (DAYS105) and backfat thickness (BFT), and three reproduction traits, nam …

Testes were collected from n = 40 Polish boars at the Slaughter Utility Control Station Chorzelow, Poland. Ten boars were kept untouched and used as control animals. Thirty boars were injected with Improvac (Zoetis, Louvain-la-Neuve, Belgium) according to the manufacturer’s recommendations (one dose (2 mL) after 8 weeks of age …

Furthermore, fat depots from Iberian had higher (P < 0·001) monounsaturated fatty acids (MUFA) and lower (P < 0·05) polyunsaturated (PUFA) proportions than those from . The backfat thickness of given diet M tended to be higher ( P = 0·07) than that of given diet A, without differences in the intramuscular fat content.

. are white in color with droopy ears. They are known for having and raising large litters of piglets. are known for their long body, high percentage of carcass weight in the ham and loin, and ideal amount of fat. are prolific mothers and are exceptionally heavy milkers. YORKSHIRE

Defining landraces. There are several definitions of the term (Zeven 1998; Villa et al. 2005; Negri et al. 2009; Casañas et al. 2017).According to FAO (), landraces are often “genetically and phenotypically heterogeneous, adapted to the environmental conditions of their cultivation areas, suited to the production systems and local culinary preferences and are generally associated …

Standard of Excellence. CHARACTER AND BREED TYPE: A combination of the following definitions denoting type, breeding and masculinity in the case of boars and femininity in the case of sows and gilts. HEAD: Light, medium length, fine with minimum jowl light, and straight nose and face (slightly concaved with age).

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A total of 24 × Large White (60 kg BW, all were female) were assigned to three groups: 22AL (fed ad libitum at 22 °C), 35AL (ad libitum fed at 35 °C), and 22PF (at 22 °C, but fed …