trimester- a period of three months; especially one of the three three-month periods into which human pregnancy is divided 2. 3.gestation- the conception and development of an idea or plan mental synthesis,construction- the creation of a construct; the process of combining ideas into a congruou...
Data is presented showing that the effect of pregnancy becomes apparent in a reduced rate of milk secretion when during lactation the period of pregnancy exceeds about five months. The total reduction may amount to from 480 to 800 pounds of milk if cows are bred during the early months of ...
摘要: IN a recent communication, Dr. W. C. O. Hill suggests from certain evidence that "the gestation period [in] is somewhere hi the neighbourhood of six months". The following history of a pair of lorises will be of interest, and confirms Dr. Hill's opinion....
Late gestation is a pivotal time in the production cycle of dairy cows. This period is characterized by accelerated fetal growth as the fetus accumulates approximately 60% of its birth weight during the last 2 months of gestation [2]. In addition, this time interval coincides with the dry per...
Plasma samples from 106 pregnant Karan Swiss (Brown Swiss × Sahiwal) cows and 108 Murrah buffalo were tested for thyroxine (T 4) levels to determine the relationship between the hormonal changes and advancing pregnancy in the two species. All samples were collected within 2 months (January and...
Here it is; a list of 20 animals whose gestation ( period of pregnancy) is longer than that of humans: Cow: Actuallycowsare not pregnant for that much longer than humans; they give birth to the calves after 10 months but even one month counts, right?
Fertility, calf survival and performance to 18 months Over six calf crops, 524 exposures of Angus cows to three sire breeds resulted in 432 weaned calves for an 82.4% calf crop. Least-squares means for weaning... TJ Marlowe,DR Notter,RA Brown,... 被引量: 0发表: 2019年 Gliomas: ...
the bird will be shocked into its final laying cycle and then be sent to slaughter to be used as food scraps – if they are not already killed on-farm. As for mother pigs, they spend up to four months in gestation crates with only limited mobility during their pregnancy. "Her piglets ...
Seasonal Variation Effect and the Sustainability of Rabbit Production in Bauchi, Nigeria The effects of season and months of mating, kindling and weaning as well as effects of breed on some rabbit (Orygtocagus cuniculus) reproductive traits wer... MA Tizhe,PA Addas,ISR Butswat - 《Journal of...
[4]. To overcome a possible low nutritional value of the forage in tropical grazing systems, the breeding and calving seasons are usually programmed to overlap the rainy period [5] as a strategy to attend to the greater nutrient requirements for lactation. However, pregnant cows raised under ...