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See detailHo chicken breed : morpho-biometric characteristics and economic efficiency of production
Nguyen Van, Duy; Dao Thi, Hiep; Bui Huu, Doan et al

in Journal of Animal Husbandry Science and Technics (2015), (8), 73-79

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See detailHo chicken breed: Morpho-biometric characteristics and Economic efficiency of production
Nguyen Van Duy, ULg; Dao Thi, Hiep; Bui Huu, Doan et al

in Journal of Animal Husbandry Sciences and Technics (2015), 8(196), 73-79

In order to evaluate the economic efficiency and production status of Ho chicken, this survey was carried out on 34 households raising Ho chickens in Thuan Thanh district, Bac Ninh province, from December ... [more ▼]

In order to evaluate the economic efficiency and production status of Ho chicken, this survey was carried out on 34 households raising Ho chickens in Thuan Thanh district, Bac Ninh province, from December 2012 to April 2013. Morpho-biometric characteristics were measured on 181 individuals (46 cocks and 135 hens) according to FAO standards. The results show that Ho chicken herd size is very limited, with 30.78 chickens per household. Average age at the first laying is rather late (7.42 months) with 11.97 eggs in a laying cycle and 76.32% of hatchability rate. These numbers are low because Ho chickens are heavy and clumsy, and therefore could easily step on and break their eggs. The body weight of a cock is 3.79 kg at 9 months while the hen weight is 2.63kg at 12 months. The body length, neck length, back length, thigh length of cock are significantly higher than those of hens (P<0.05). Production of these chickens does not require much initial investment costs. In these costs, buy breed and chicken housing are the most important in the fixed costs. The average annual expense to operate Ho chicken production reaches 12.16 million VND (565.58 USD) while the average annual revenue is 30.85 million VND (1443 USD). [less ▲]

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See detailNăng suất sinh trưởng, thân thịt và chất lượng thịt của các tổ hợp lai giữa lợn nái F1(landrace x Yorkshire) với đực giống (Piétrain x Duroc) có thành phần Piétrain kháng stress khác nhau
Pham Thi, Dao; Nguyen Van, Thang; Vu Dinh, Ton et al

in Journal of Science and Development (2013), 11(2), 200-208

The study was carried out at 3 pig farms in Hai Duong and Hung Yen from March 2011 to January 2013 to evaluate growth rate and carcass quality of F1(Landrace x Yorkshire) (F1(L x Y)) sows mated with F1 ... [more ▼]

The study was carried out at 3 pig farms in Hai Duong and Hung Yen from March 2011 to January 2013 to evaluate growth rate and carcass quality of F1(Landrace x Yorkshire) (F1(L x Y)) sows mated with F1(Piétrain x Duroc) (PiDu) boars with Pietrain ReHal genetic constitution (25, 50 and 50%: PiDu25, PiDu50, PiDu75). The results showed that these crossbreds obtained high growth rates and low feed conversion ratio (FCR) (829.42 g/day and 2.31 kg/kg; 797.78 g/day and 2.33 kg/kg; 765.79 g/day and 2.38 kg feed/kg weight gain, respectively). Lean meat percentage of PiDu25 x F1(L x Y), PiDu50 x F1(L x Y) và PiDu75 x F1(L x Y) were 54.66, 56.32 and 59.97%, respectively. Lean meat percentage of PiDu75 x F1(L x Y) was higher than that of PiDu25 x F1(L x Y) and PiDu50 x F1(L x Y). The meat quality traits in terms of pH, colour drip loss, and firmness of 3 crossbreds were normal. Crude protein of musculus longissimus dorsi of crossbreds was 21.53, 22.18 and 22.63%. The research suggests that using crossbed boars PiDu25, PiDu50, PiDu75 to mate with F1(L x Y) sows helps to obtain high performance in pig farms [less ▲]

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See detailAmélioration des performances génétiques des races tropicales par les races wallonnes.
Leroy, Pascal ULg; Moula, Nassim ULg; Huart, Alain et al

Conference (2012, August 25)

As part of the genetic improvement of production, selection of breeds (purebred selection) on the one hand and crossbreeding, exploiting the complementarity between breeds and hybrid vigor or heterosis ... [more ▼]

As part of the genetic improvement of production, selection of breeds (purebred selection) on the one hand and crossbreeding, exploiting the complementarity between breeds and hybrid vigor or heterosis other hand, are methods choice used by animal husbandry. The pure breeding as practiced in the developed world, based on the individual performance of breeding as well as the placement of the offspring, uses expensive infrastructure and significant human resources. In addition, genetic progress is slow and must be sustained effort. For all these reasons, in the less favored regions of the world, although the intra-breed selection is operational, most stakeholders are most often uses the crossbreeding technique leading to immediate results and protecting local breeds. Thus, in dairy cattle, many countries have used the Holstein, Brown in the Alps, and the Montbéliarde Normande with varying success. In the meat sector, in cattle, swine and sheep, as well as in the area of ​​poultry meat, crossing indigenous breeds with exotic breeds imported leads to interesting results. In the Walloon Region, due to the hard work of breeders, animals have emerged exceptional and, in cattle, swine and sheep, they are in fact, more muscular animals in the world. Thus, bulls Belgian Blue reared under natural conditions, have average daily gains as high as 2000 g / d with yields close to slaughter 70% Pietrain pigs reach values ​​of the performance slaughter of around 83% and the yield values ​​as high as 59% were observed in Texel sheep. All these animals have the characteristic of being very efficient while presenting carcasses with more muscle, less fat and less bone. As for local poultry type Ardennaise, it has remarkable phenotypes leading to immediate traceability (black members), more than 150 eggs per clutch and a darker meat.The author gives in detail examples of the use of crossbreeding with cattle, sheep, pig and poultry all originated from the Walloon Region of Belgium. [less ▲]

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