نتایج جستجو برای: fertility and hatchability

تعداد نتایج: 16833043  

2008
E. Lacin

The present study aimed to determine the effects of different storage materials and storage period on some hatchability traits of Japanese quail (Coturnix coturnix japonica) eggs. A total of 32 male and 102 female quail (twelve weeks of ages) were housed in multiple-bird cages. Eggs laid were divided into three groups with respect to the period of storage (I = 1, 2 and 3 days, II = 6, 7 and 8 d...

Journal: :International Journal of Enviornment and Climate Change 2023

Productive and reproductive performances in terms of body weight, age at first egg, egg production, fertility, hatchability mortality Vanaraja, Rainbow Rooster, Kamruapa Desi chicken Assam were studied under traditional backyard system rearing. The Rooster birds given to rear the frontline demonstration programmes Krishi Vigyan Kendra, Dhemaji women farmers district during 2020-21. data on bird...

Journal: :Aquatic toxicology 2004
Hiroshi Ishibashi Naomi Matsumura Masashi Hirano Munekazu Matsuoka Hideki Shiratsuchi Yasuhiro Ishibashi Yuji Takao Koji Arizono

Triclosan (2,4,4'-trichloro-2'-hydroxydiphenyl ether) is widely used as antibacterial agent in various industrial products, such as textile goods, soap, shampoo, liquid toothpaste and cosmetics, and often detected in wastewater effluent. In this study, the effects of TCS on the early life stages and reproduction of medaka (Oryzias latipes) were investigated. The 96-h median lethal concentration...

2014
Wen Song Li Liu Pengyan Li Hui Sun Yuchuan Qin

The reproductive traits of the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae) were investigated and analyzed by different analytical methods. Simple statistical analysis showed relatively higher mating rates maintained from 21:00 to 2:00, thereafter dropping to a minimum at about 18:00. Mating rates were affected by female and male age. Mating was most likely to take plac...

2018

Chickens are kept in many parts of the world irrespective of climate, traditions, life standard, and there is no religious taboo related to consumption of eggs and chicken meat like those for pig meat [1]. To the poor majority people of rural areas, chickens serve as an immediate source of meat and income when money is needed for urgent family requirement [2]. It renders a significant contribut...

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