• Nenhum resultado encontrado

Broiler breeders

Effect of Using Enzyme Complex on Productivity and Hatchability of Broiler Breeders Fed a Corn-Soybean Meal Diet

Effect of Using Enzyme Complex on Productivity and Hatchability of Broiler Breeders Fed a Corn-Soybean Meal Diet

... Broiler breeders were subjected to two different treatments. Treatment 1 was control group, in which a commercial corn-soybean meal diet was fed to the broiler breeders during the laying ...

10

Standard Body Weight and Serum Estradiol and Progesterone Concentrations in Response to Total Lysine Content in Female Broiler Breeders from 14 to 42 Days after Hatch

Standard Body Weight and Serum Estradiol and Progesterone Concentrations in Response to Total Lysine Content in Female Broiler Breeders from 14 to 42 Days after Hatch

... Birds have no mechanisms for storage of amino acids and therefore when they had excessive amino acids, the amino acids are conveyed to the liver where they are immediately deaminated and (or) converted to urea (Goldstein ...

8

Correlations among behavior, performance and environment in broiler breeders using multivariate analysis

Correlations among behavior, performance and environment in broiler breeders using multivariate analysis

... Estevez et al. (2003) observed the behavior of layers in different group sizes. Aggressive behavior dynamics was influenced by food competition, and less aggressive interactions were observed when groups were larger, ...

7

Use of Radiograph Optical Densitometry to Monitor Bone Quality in Broiler Breeders

Use of Radiograph Optical Densitometry to Monitor Bone Quality in Broiler Breeders

... in broiler breeders. Twenty-three families of Ross broiler breeders were housed in ...the breeders two weeks before and after the evaluation ...

6

The Effect of Dietary Supplementation of Prebiotic and Probiotic on Performance, Humoral Immunity Responses and Egg Hatchability in Broiler Breeders

The Effect of Dietary Supplementation of Prebiotic and Probiotic on Performance, Humoral Immunity Responses and Egg Hatchability in Broiler Breeders

... in broiler breeders are shown in Table ...in breeders are limited, similar improvements in hatchability have been observed in birds fed a yeast culture supplement (McDaniel and Sefton, ...

13

Inclusion of canthaxanthin and 25-hydroxycholecalciferol in the diet of broiler breeders on performance and incubation parameters

Inclusion of canthaxanthin and 25-hydroxycholecalciferol in the diet of broiler breeders on performance and incubation parameters

... The objective of this experiment was to evaluate the effects of a diet containing canthaxanthin and 25-hydroxycholecalciferol (25-OH-D3) on the production and reproductive performances of Cobb 500 broiler ...

6

Feeding Management Strategy for Male Broiler Breeders and its Effects on Body Weight, Hatchability and Fertility

Feeding Management Strategy for Male Broiler Breeders and its Effects on Body Weight, Hatchability and Fertility

... and submitted to the same management practices. Body weight was evaluated in 13 flocks per treatment and for five weeks (45, 50, 55, 60, 65), and hatchability and fertility in four incubation lots per treatment and for ...

6

Effects of oviposition time from broiler breeders on the incubation yield.

Effects of oviposition time from broiler breeders on the incubation yield.

... TULLETT, S.G. Science and the art of incubation. Poult. Sci., v.69, p.1-15, 1990. ZAKARIA, A.H.; PLUMSTEAD, P.W.; ROMERO-SANCHEZ, H. et al. Oviposition pattern, egg weight, fertility and hatchability of young and ...

4

Bone mineral density of tibae and femura of broiler breeders: growth, development and production

Bone mineral density of tibae and femura of broiler breeders: growth, development and production

... of broiler breeders and of embryos, as well as in egg hatchability (Harms et ...that broiler breeders required ...of broiler breeders (Agroceres Ross, ...

8

Influence of Feeding Time on Sexual Maturity and Carcass Composition in Female Broiler Breeders

Influence of Feeding Time on Sexual Maturity and Carcass Composition in Female Broiler Breeders

... female broiler breeders at different periods of the day and found that the plasma levels of Ca and P were influenced by feeding, stage of egg formation, and the moment of ...

8

Hatching Distribution and Embryo Mortality of Eggs Laid by Broiler Breeders of Different Ages

Hatching Distribution and Embryo Mortality of Eggs Laid by Broiler Breeders of Different Ages

... from broiler breeders of different ages in distinct periods of ...old breeders hatched later as compared to young and intermediate-age ...old breeders presented higher infertility and total ...

8

Modeling Energy Utilization in Broiler Breeders, Laying Hens and Broilers

Modeling Energy Utilization in Broiler Breeders, Laying Hens and Broilers

... with broiler breeder pullets and ...and broiler breeders ...for broiler and ...for broiler breeder (1.04) than that for broiler chick ...and broiler breeders ...

11

Feeding Programs for Broiler Breeders in the Start Phase

Feeding Programs for Broiler Breeders in the Start Phase

... for broiler breeders on performance and development of digestive ...500 broiler breeders were divided into two sheds with 24,000 birds ...that broiler breeders on pre-starter ...

6

Performance of Female Broiler Breeders Submitted to Different Feeding Schedules

Performance of Female Broiler Breeders Submitted to Different Feeding Schedules

... The performance of Arbor Acres broiler breeders (1,296 females; 144 roosters) was evaluated when submitted to the following treatments (T): T1 = feeding at 6:30 a.m. (control); T2 = 50% feeding at 6:30 a.m. ...

5

Physical characteristics of semen from male broiler breeders.

Physical characteristics of semen from male broiler breeders.

... male broiler breeders (ISA-MPK breed) 50 at their final reproductive life (68 week-old), and 10 at the pick of production (35 week-old), from six different flocks (10 males/flock) were used to evaluate the ...

3

Effect of an Organic Trace Mineral Premix on the Semen Quality, Testicular Morphology and Gene Expression Related to Testosterone Synthesis of Male Broiler Breeders

Effect of an Organic Trace Mineral Premix on the Semen Quality, Testicular Morphology and Gene Expression Related to Testosterone Synthesis of Male Broiler Breeders

... et al., 2009; Babaei & Abshenas, 2013). The trace elements of Zn, Mn, and Se enhance spermatogenesis and improve semen quality in broiler breeders (Barber et al., 2005). It was reported that the ...

8

Comb, cloaca and feet scores and testis morphometry in male broiler breeders at two different ages

Comb, cloaca and feet scores and testis morphometry in male broiler breeders at two different ages

... In broiler breeder roosters, the weight of the testes is positively associated with daily sperm production and fertility. In birds, the testes are located in the coelomic cavity, not being accessible to ...

10

Effect of Maternally-Derived Antibodies on The Performance and Immunity of Broilers Induced by in Ovo or Post-Hatching Immunizations with a Live Vaccine Against Infectious Bursal Disease

Effect of Maternally-Derived Antibodies on The Performance and Immunity of Broilers Induced by in Ovo or Post-Hatching Immunizations with a Live Vaccine Against Infectious Bursal Disease

... of broiler breeders at puberty (18 weeks of age) with an IBD inactivated oil-emulsion vaccine, inducing high titers of circulating antibodies, may negatively affect the infection of the progeny by an ...

7

Effect of broiler breeder age on pancreas enzymes activity and digestive tract weight of embryos and chicks

Effect of broiler breeder age on pancreas enzymes activity and digestive tract weight of embryos and chicks

... older broiler breeders were heavier (p = ...older broiler breeders showed faster development of intestinal ...different broiler breeder ages after ...by broiler breeder age (p = ...

4

Monitoring and molecular characterization of group D rotavirus in Brazilian poultry farms

Monitoring and molecular characterization of group D rotavirus in Brazilian poultry farms

... Samples. A total of 111 pools of intestinal contents were used in this study. Each pool consisted in enteric content of 3-5 birds within a single batch, collected between the years of 2008 and 2012. They are from 8 ...

5

Show all 540 documents...

temas relacionados